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  • Question 1
    1 / -0

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    [passage-header]Read the passage and answer the question that follows: [/passage-header]  In the mind of the mariner, there is a superstitious horror connected with the name of Pirate; and there are few subjects that interest and excite the curiosity of mankind generally, more than 10513the desperate exploits, foul doings, and diabolical career of these monsters in human form. A piratical crew is generally formed of 41406the desperadoes and runagates of every clime and nation. The pirate, from the perilous nature of his occupation, when not crushing on the ocean, 58038the great highway of nations selects the most lonely isles of the sea for his retreat, or 26085secretes himself near the shores of rivers, bays and lagoons of thickly wooded and uninhabited countries, so that if pursued he can escape to the woods and mountain glens of the interior. The islands of the Indian Ocean, and the east and west coasts of Africa, as well as the West Indies, have been 36478their haunts for centuries, and vessels navigating the Atlantic and Indian Ocean, are often captured by them, the passengers and crew murdered, the money and most valuable part of the cargo plundered, the vessel destroyed, thus obliterating all trace of their unhappy fate, and leaving friends and relatives to mourn their loss from the inclemencies of the elements, when they were butchered in cold blood by their fellow men, who by 56008practically adopting the maxim that "dead men tell no tales," enable themselves to pursue their a diabolical career with impunity...
       But 16958the apprehension and foreboding of the mind, when under the influence of remorse, are powerful, and every man, whether civilized or savage has interwoven in his constitution a moral sense, which secretly condemns him when he has committed an atrocious action, even when he is placed in situations which raise him above the fear of human punishment, for "Conscience, the torturer of the soul, unseen. Does fiercely brandish a sharp scourge within; Severe decrees may keep our tongues in awe, but to our minds what edicts can give law? Even you yourself to your own breast shall tell Your crimes, and your own conscience be your hell."
    [passage-footer]
    [/passage-footer]

    ...view full instructions

    The author most likely believes in ____________.

  • Question 2
    1 / -0

    Directions For Questions

    [passage-header]
    Read the poem given below and answer the question that follows:
    Elegy[/passage-header]99738Let them buy your big eyes,
    In the secret earth securely,
    74509Your thin fingers and your fair,
    Soft, indefinite-coloured hair,
    All of these in some way, surely,
    From the secret earth shall rise;
    Not for these I sit and stare;
    Broken and bereft completely:
    Your young flesh that sat so neatly
    On your little bones will sweetly
    Blossom in the air.

    But your voice ... never the rushing
    Of a river underground,
    69037Not the 44497rising of the wind
    In the trees before the rain,
    Not the Woodcock's watery call,
    Not the note white-throat utters,
    Not the feet of children 26412pushing
    90664Yellow leaves along the gutters
    In the blue and bitter 57536fall,
    38995Shall content my musing mind.
    For the beauty of that sound
    That in no new way at all
    Ever 75043will be heard again

    Sweetly through the sappy stalk
    Of the vigorous weed
    Holding all it held before,
    21980Cherished by the faithful sun,
    On and on eternally
    Shall your altered fluid run,
    Bud and bloom and go to seed:
    But your singing days are done;
    But the music of your talk
    Never shall the chemistry
    Of the secret earth restore.
    All your lovely words are spoken.
    Once the ivory box is broken,
    Beats the golden bird no more.
    [passage-footer]
    [/passage-footer]

    ...view full instructions

    The "voice" of the deceased is compared to all of the following EXCEPT _________________.

  • Question 3
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    Directions For Questions

    [passage-header]
    Read the excerpt and answer the question that follows:
    "The City Heiress"[/passage-header]How 11270vain have prov'd the Labours of the Stage,
    In striving to reclaim a vitious Age!
    97211Poets may write the Mischief to impeach,
    You care as little what the Poets teach,
    As you regard at Church what Parsons preach.

    But where such Follies, and such Vices reign,
    29103What honest Pen has Patience to refrain?
    At Church, in Pews, ye most 59522devoutly snore;
    And here, got dully drunk ye come to roar;
    Ye go to Church to glout*, and ogle there,
    and come to meet more leud convenient here

    With equal Zeal, ye honour either Place,
    39563And run so very evenly 84766your Race,
    60403Y' improve in Wit just as you do in Grace
    92355It must be so, some Daemon** has possest
    Our Land and we have never since been blest.
    [passage-footer]*to pout or look sullen
    **demon
    (1682)[/passage-footer]

    ...view full instructions

    Why does line 60403 "Y' improve in Wit just as you do in Grace" contain an abbreviation?

  • Question 4
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    Directions For Questions

    [passage-header]
    For this question, consider how the passage might be revised to improve the expression of ideas or to correct the errors in sentence structure, usage, or punctuation.

    Disputes in Ancient Greek Philosophy[/passage-header]The philosophy of ancient Greece has had an enormous impact on Western thought for millennia. Ancient Greek philosophers held a great diversity of opinions, founding many schools of thought that have shaped the development of culture in the West and beyond.
       [1] The thinker Epicurus developed this system of philosophy in the 4th century BCE. Epicurus and his followers challenged [2] humdrum beliefs of the time by claiming that all events happened by chance without any intervention from the gods. This stance was highly controversial in Greece's polytheistic society. Epicurus also stated that people could achieve happiness by seeking pleasure and avoiding pain, which led many to perceive him as a hedonist. [3] As a result, the word "epicurean" is used to this day to describe someone who enjoys luxury and self- indulgence, especially in the realm of fine dining.
       The most famous rivals of the Epicureans were the Stoics. The Stoic school of thought was founded in the 4th century [4] BCE, and its most well-known follower, the Roman emperor Marcus Aurelius, lived and wrote much later, in the 2nd century CE. The Stoics, unlike the Epicureans, believed that a [5] divine will they called the logos influenced all events. Thus, the Stoics thought that people could not control their fates, and so should cultivate self-control and composure, even in the face of hardship. Because of these teachings, the word "stoic" has now come to mean "calm", "steady", and even "emotionless". 
       The Cynics, another group of philosophers with roots in 4th century BCE Greece, held views similar to [6] the Stoics, but more extreme. For instance, the best-known Cynic, Diogenes of Sinope, lived in a large jar in the marketplace of Athens, ate only onions, and mocked [7] famous people that everyone looked up to. The Cynics claimed that desires for wealth and power clouded the mind. Only if one gave up these pursuits, they said, could [8] you live a virtuous life. The Cynics thus chose to live without possessions or status and rejected social norms. The Cynics' distrust of societal institutions and authority has today led to the word "cynical" being used to describe people who doubt the motivations of others and criticize society. [9]
       These Greek philosophies have had a profound influence on culture worldwide. Alexander the Great's conquest carried these ideas across the Middle East and Asia, bringing them into contact with many other cultures. In the Middle East, [10] aesthetic ideals from Cynicism influenced early Christians, leading some to give up their possessions to live in poverty in the desert. [11] Thus, though these Greek schools of thought were suppressed by later Roman authorities, their influence has continued to this day.

    ...view full instructions

    Which of the following, inserted at [11], would be the most relevant addition to the paragraph?

  • Question 5
    1 / -0

    Directions For Questions

    [passage-header]
    Read the passage and answer the question that follows:
    (This passage is adapted from Alan Ehrenhalt, The Great Inversion and the Future of the American City, 2013, Vintage. Demographic inversion is a phenomenon that describes the rearrangement of living patterns throughout a metropolitan area.)[/passage-header]   84546We are not witnessing the abandonment of the suburbs, or a movement of millions of people back to the city all at once. The 2010 census certainly did not turn up evidence of a middle-class stampede to the nations cities. The news was mixed: Some of the larger cities on the East Coast tended to gain population, albeit in small increments. Those in the Midwest, including Chicago, tended to lose substantial numbers. The cities that showed gains in overall population during the entire decade tended to be in the South and Southwest. But when it comes to measuring demographic inversion, raw census numbers are an ineffective blunt instrument. A closer look at the results shows that the most powerful demographic events of the past decade were the movement of African Americans out of central cities (180,000 of them in Chicago alone) and the settlement of immigrant groups in suburbs, often ones many miles distant from downtown. Central-city areas that gained affluent residents in the first part of the decade maintained that population in the recession years from 2007 to 2009. They also, according to a 2011 study by Brookings, suffered considerably less from increased unemployment than the suburbs did. Not many young professionals moved to new downtown condos in the recession years because few such residences were being built. But there is no reason to believe that the demographic trends prevailing prior to the construction, the bust will not resume once that bust is over. It is important to remember that demographic inversion is not a proxy for population growth; it can occur in cities that are growing, those whose numbers are 42279flat, and even in those undergoing a modest decline in size55758.
       18230America's major cities face enormous fiscal problems, many of them the result of public pension obligations they incurred in the most prosperous years of the past two decades79283. Some, Chicago prominent among them, simply are not producing enough revenue to support the level of public services to which most of the citizens have grown to feel entitled. 61787How the cities are going to solve this problem, I do not know88247. 37289What I do know is that if the fiscal crisis was going to drive affluent professionals out of central cities, it would have done so by now30124. There is no evidence that it has.
       83920The truth is that we are living at a moment in which the massive outward migration of the affluent that characterized the second half of the twentieth century is coming to an end88980. And we need to adjust our perceptions of cities, suburbs, and urban mobility as a result.
       95791Much of our perspective on the process of metropolitan settlement dates, whether we realize it or not, from a paper written in 1925 by the University of Chicago sociologist Ernest W. Burgess33441. 13243It was Burgess who defined four urban/suburban zones of settlement38894: a central business district; an area of manufacturing just beyond it; then a residential area inhabited by the industrial and immigrant working class; and finally an outer enclave of single-family dwellings.
       Burgess was right about the urban America of 1925; he was right about the urban America of 1974. 64755Virtually every city in the country had a downtown, where the commercial life of the metropolis was 80798conducted; it had a factory district just beyond; it had districts of working-class residences just beyond that, and it had residential suburbs for the wealthy and the upper middle class at the far end of the continuum69291. 28352As a family moved up the economic ladder, it also moved outward from crowded working-class districts to more spacious apartments and, eventually, to a suburban home94921. The suburbs of Burgess's time bore little resemblance to those at the end of the twentieth century, but the theory still essentially worked. People moved ahead in life by moving farther out.
       But in the past decade, in quite a few places, this model has ceased to describe reality. There are still downtown commercial districts, but there are no factory districts lying next to them. There are scarcely any factories at all. These close-in parts of the city, whose few residents Burgess described as dwelling in "submerged regions of poverty, degradation, and disease", are increasingly the preserve of the affluent who work in the commercial core. And just as crucially newcomers to America are not settling on the inside and accumulating the resources to move out; they are living in the suburbs from day one.

    ...view full instructions

    Which choice best summarizes the first paragraph of the passage (lines 84546- 55758)?

  • Question 6
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    Directions For Questions

    [passage-header]Read the passage and answer the question that follows:[/passage-header]I had just finished my studies in Oxford, and was taking a brief holiday from work before assuming definitely the management of the estate. My father died when I was yet a child: my mother followed him within a year, and I was nearly as much alone in the world as a man might find himself.

    The house, as well as the family, was of some antiquity. It contained a fine library, whose growth began before the invention of printing, and had continued to my own time, greatly influenced, of course, by changes of taste and pursuit.

    The library, although duly considered in many alterations of the house and additions to it, had nevertheless, like an 97290encroaching state, absorbed one room after another until it occupied the greater part of the ground floor.

    In the evening of a gloomy day of August, I was sitting in my usual place, my back to one of the windows, reading. I cannot tell what made me turn and cast a glance to the farther end of the room, when I saw, or seemed to see, a tall figure reaching up a hand to a bookshelf. 72245The next instant, my vision apparently 99806rectified by the comparative dusk, I saw no one and concluded that my optic nerve had been momentarily affected from within17074.

    I resumed my reading, and would doubtless have forgotten the vague, evanescent impression, had it not been that, having occasion a moment after to consult a certain volume, 92443I found but a gap in the row where it ought to have stood, and the same instant remembered that just there I had seen, or fancied I saw, the old man in search of a book93208. I looked all about the spot but in vain. The next morning, however, there it was, just where I had thought to find it! I knew of no one in the house likely to be interested in such a book.

    18134I rang the bell: the butler came; I told him all I had seen, and he told me all he knew99088.

    He had hoped, he said, that the old gentleman was going to be forgotten: it was well no one but myself had seen him. He had heard a good deal about him when first he served in the house, but by degrees, he had ceased to be mentioned, and he had been very careful not to allude to him.

    69595"The place was haunted by an old gentleman, was it?" I said35931.

    He answered that at one time everybody believed it, but the fact that I had never heard of it seemed to imply that the thing had come to an end and was forgotten.

    60610I questioned him as to what he had seen of the old gentleman16637.

    14211He had never seen him, he said, although he had been in the house from the day my father was eight years old59420. My grandfather would never hear a word on the matter, declaring that whoever alluded to it should be dismissed without a moment's warning, but old Sir Ralph believed in nothing he could not see or lay hold of. 96983Not one of the maids ever said she had seen the apparition, but a footman had left the place because of it24163.

    81148"I hope it was but a friendly call on the part of the old gentleman!" he concluded, with a troubled smile38326.
    [passage-footer]This passage is adapted from Lilith, a novel by George MacDonald, originally published in 1895.
    [/passage-footer]

    ...view full instructions

    Which of the following provides the best evidence for the answer to the previous question?

  • Question 7
    1 / -0

    Directions For Questions

    The following passage details findings from different eras of renatal screening and the methods and experiments those findings prompted. Screening newborns  for  rare  genetic diseases is a relatively new practice that began approximately forty years ago. Prior to the advent of screening, biomedical researchers and health professionals were preoccupied with the most prominent causes of newborn mortality, such as diarrheal diseases, influenza, and other infectious diseases.  
    By 1960, however, the infant mortality rate had dropped to less than three percent of live births  from over ten percent fifty years earlier. The declining  rate was due, in part, to the widespread use of  antibiotics; the  development of vaccines, particularly the Salk and Sabin polio vaccines;  improved nutrition; better education; and generally improved sanitary  practices. As infant mortality rates dropped, attention shifted to the etiology  of rare diseases. The first major milestone in this focus shift occurred in  1962, when President Kennedy announced that the federal government would begin exploring the problem of mental disability until  then, a largely ignored  issue. He created the President's Panel on Mental Retardation to lead this exploration. During roughly the same time period, a major scientific breakthrough in the  study of phenylketonuria, or PKU, was underway. 
    In 1934, Dr. Asbjorn  Folding of Norway first described the condition when he observed that  some of his mentally disabled patients had phenylpyruvic acid in their urine, a finding indicative of a deficiency in the enzyme that converts phenylalanine to tyrosine, a necessary component for protein synthesis. When this transformation does not occur, phenylalanine accumulates in the blood. High levels of phenylalanine are toxic to the developing brain of an infant and cause mental retardation. At the time, the preventive strategy was to reduce phenylalanine levels in the patient's diet. This approach had  one serious drawback, though. Phenylalanine is an essential amino acid  necessary for proper  growth,  so  deficiencies  in  it  may  also  lead  to  mental  retardation. Despite this risk, the younger siblings of children with PKU were given diets low in phenylalanine from a very early age. The results were somewhat encouraging and, in light of the beneficial evidence from this special diet, two therapeutically promising research initiatives were  launched. One was to devise a source of protein free of phenylalanine. The outcome was the infant formula Lofenalac, which is still in use today. The other initiative was  aimed at developing a method for detecting high phenylalanine levels before damage to the developing brain could occur.
    Dr. Robert Guthrie led the second initiative, which yielded a breakthrough in  the early 1960s. He developed a test to detect PKU before it  became clinically symptomatic. The test consisted of a culture of Bacillus subtilis and  B-2-thienylalanine, which  inhibits  the  growth  of  the  bacteria. Once a  blood sample from the newborn was added to this culture, the bacteria would leach the phenylalanine from the blood spot, overcome the inhibition  caused the B-2-thienylalanine, and grow. Bacterial growth beyond a normal  range  indicated elevated levels of phenylalanine and thus the presence of  PKU in the newborn. The test was not perfect. Over the next few years, 
    it  produced quite a few false positives, and some children unnecessarily received low phenylalanine diets. To compound the problem, there was uncertainty about the amount of phenylalanine to cut from the diet; as a result, some healthy children developed mental disabilities because of the treatment. Nevertheless, PKU screening was generally considered a success, and spurred questions about whether other diseases might be prevented through early detection. 
    After  further study it became clear that they could. By the late 1960s,  newborn screening for rare genetic diseases had become a permanent  part of infant health care in the United States.

    ...view full instructions

    The  passage  most  strongly  suggests  that prior  to  the  research  initiatives  described  in lines  42-53

  • Question 8
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    Directions For Questions

    [passage-header]
    Read the passage given below and answer the question that follows:

    'You Are Where You Say'[/passage-header]   Research on regional variations in English-language use has not only yielded answers to such [1] life-altering questions as how people in different parts of the United States refer to carbonated beverages ("soda"? "pop"? "coke"?) [2] it also illustrates how technology can change the very nature of research. While traditional, human-intensive data collection [3] has all but disappeared in language studies, the explosion of social media has opened new avenues for investigation.
          (a) Perhaps the epitome of traditional methodology is the Dictionary of American Regional English, colloquially known as DARE. (b) Its fifth and final alphabetical volume---ending with "zydeco"---released in 2012, the dictionary represents decades of arduous work. (c) Over a six-year period from 1965 to 1970, university graduate students conducted interviews in more than a thousand communities across the nation. (d) Their goal was to determine what names people used for such everyday objects and concepts as a submarine sandwich (a "hero" in New York City but a "dagwood" in many parts of Minnesota, Iowa, and Colorado) and a heavy rainstorm (variously a "gully washer," "pour-down," or "stump mover"). (e) The work that dictionary founder Frederic G. Cassidy had expected to be finished by 1976 was not, in fact, completed in his lifetime. (f) The wait did not dampen enthusiasm among [4] scholars. Scholars consider the work a signal achievement in linguistics. [5]
        Not all research into regional English varieties [6] requires such time, effort, and resources, however. Today's researchers have found that the veritable army of trained volunteers traveling the country conducting face-to-face interviews can sometimes be [7] replaced by another army the vast array of individuals volunteering details about their lives---and, inadvertently, their language---through social media. Brice Russ of Ohio State University, for example, has employed software to sort through postings on one social media [8] cite in search of particular words and phrases of interest as well as the location from which users are posting. From these data, he was able, among other things, to confirm regional variations in peoples terms for soft drinks. As the map shows, "soda" is commonly heard in the middle and western portions of the United States; "pop" is frequently used in many southern states; and "coke" is predominant in the northeastern and southwest regions but used elsewhere as well. [9] As interesting as Russ's findings are, though, [10] they're true value lies in their reminder that the Internet is not merely a sophisticated tool for collecting data but is also [11] itself a rich source of data.

    ...view full instructions

    To improve the cohesion and flow of this paragraph [5], the writer wants to add the following sentence.
    "Data gathering proved to be the quick part of the project."
    The sentence would most logically be placed after _______.

  • Question 9
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    Directions For Questions

    The following passage details findings from different eras of renatal screening and the methods and experiments those findings prompted. Screening newborns  for  rare  genetic diseases is a relatively new practice that began approximately forty years ago. Prior to the advent of screening, biomedical researchers and health professionals were preoccupied with the most prominent causes of newborn mortality, such as diarrheal diseases, influenza, and other infectious diseases.  
    By 1960, however, the infant mortality rate had dropped to less than three percent of live births  from over ten percent fifty years earlier. The declining  rate was due, in part, to the widespread use of  antibiotics; the  development of vaccines, particularly the Salk and Sabin polio vaccines;  improved nutrition; better education; and generally improved sanitary  practices. As infant mortality rates dropped, attention shifted to the etiology  of rare diseases. The first major milestone in this focus shift occurred in  1962, when President Kennedy announced that the federal government would begin exploring the problem of mental disability until  then, a largely ignored  issue. He created the President's Panel on Mental Retardation to lead this exploration. During roughly the same time period, a major scientific breakthrough in the  study of phenylketonuria, or PKU, was underway. 
    In 1934, Dr. Asbjorn  Folding of Norway first described the condition when he observed that  some of his mentally disabled patients had phenylpyruvic acid in their urine, a finding indicative of a deficiency in the enzyme that converts phenylalanine to tyrosine, a necessary component for protein synthesis. When this transformation does not occur, phenylalanine accumulates in the blood. High levels of phenylalanine are toxic to the developing brain of an infant and cause mental retardation. At the time, the preventive strategy was to reduce phenylalanine levels in the patient's diet. This approach had  one serious drawback, though. Phenylalanine is an essential amino acid  necessary for proper  growth,  so  deficiencies  in  it  may  also  lead  to  mental  retardation. Despite this risk, the younger siblings of children with PKU were given diets low in phenylalanine from a very early age. The results were somewhat encouraging and, in light of the beneficial evidence from this special diet, two therapeutically promising research initiatives were  launched. One was to devise a source of protein free of phenylalanine. The outcome was the infant formula Lofenalac, which is still in use today. The other initiative was  aimed at developing a method for detecting high phenylalanine levels before damage to the developing brain could occur.
    Dr. Robert Guthrie led the second initiative, which yielded a breakthrough in  the early 1960s. He developed a test to detect PKU before it  became clinically symptomatic. The test consisted of a culture of Bacillus subtilis and  B-2-thienylalanine, which  inhibits  the  growth  of  the  bacteria. Once a  blood sample from the newborn was added to this culture, the bacteria would leach the phenylalanine from the blood spot, overcome the inhibition  caused the B-2-thienylalanine, and grow. Bacterial growth beyond a normal  range  indicated elevated levels of phenylalanine and thus the presence of  PKU in the newborn. The test was not perfect. Over the next few years, 
    it  produced quite a few false positives, and some children unnecessarily received low phenylalanine diets. To compound the problem, there was uncertainty about the amount of phenylalanine to cut from the diet; as a result, some healthy children developed mental disabilities because of the treatment. Nevertheless, PKU screening was generally considered a success, and spurred questions about whether other diseases might be prevented through early detection. 
    After  further study it became clear that they could. By the late 1960s,  newborn screening for rare genetic diseases had become a permanent  part of infant health care in the United States.

    ...view full instructions

    This  passage can  best  be described  as

  • Question 10
    1 / -0

    Directions For Questions

    The following passage details findings from different eras of renatal screening and the methods and experiments those findings prompted. Screening newborns  for  rare  genetic diseases is a relatively new practice that began approximately forty years ago. Prior to the advent of screening, biomedical researchers and health professionals were preoccupied with the most prominent causes of newborn mortality, such as diarrheal diseases, influenza, and other infectious diseases.  
    By 1960, however, the infant mortality rate had dropped to less than three percent of live births  from over ten percent fifty years earlier. The declining  rate was due, in part, to the widespread use of  antibiotics; the  development of vaccines, particularly the Salk and Sabin polio vaccines;  improved nutrition; better education; and generally improved sanitary  practices. As infant mortality rates dropped, attention shifted to the etiology  of rare diseases. The first major milestone in this focus shift occurred in  1962, when President Kennedy announced that the federal government would begin exploring the problem of mental disability until  then, a largely ignored  issue. He created the President's Panel on Mental Retardation to lead this exploration. During roughly the same time period, a major scientific breakthrough in the  study of phenylketonuria, or PKU, was underway. 
    In 1934, Dr. Asbjorn  Folding of Norway first described the condition when he observed that  some of his mentally disabled patients had phenylpyruvic acid in their urine, a finding indicative of a deficiency in the enzyme that converts phenylalanine to tyrosine, a necessary component for protein synthesis. When this transformation does not occur, phenylalanine accumulates in the blood. High levels of phenylalanine are toxic to the developing brain of an infant and cause mental retardation. At the time, the preventive strategy was to reduce phenylalanine levels in the patient's diet. This approach had  one serious drawback, though. Phenylalanine is an essential amino acid  necessary for proper  growth,  so  deficiencies  in  it  may  also  lead  to  mental  retardation. Despite this risk, the younger siblings of children with PKU were given diets low in phenylalanine from a very early age. The results were somewhat encouraging and, in light of the beneficial evidence from this special diet, two therapeutically promising research initiatives were  launched. One was to devise a source of protein free of phenylalanine. The outcome was the infant formula Lofenalac, which is still in use today. The other initiative was  aimed at developing a method for detecting high phenylalanine levels before damage to the developing brain could occur.
    Dr. Robert Guthrie led the second initiative, which yielded a breakthrough in  the early 1960s. He developed a test to detect PKU before it  became clinically symptomatic. The test consisted of a culture of Bacillus subtilis and  B-2-thienylalanine, which  inhibits  the  growth  of  the  bacteria. Once a  blood sample from the newborn was added to this culture, the bacteria would leach the phenylalanine from the blood spot, overcome the inhibition  caused the B-2-thienylalanine, and grow. Bacterial growth beyond a normal  range  indicated elevated levels of phenylalanine and thus the presence of  PKU in the newborn. The test was not perfect. Over the next few years, 
    it  produced quite a few false positives, and some children unnecessarily received low phenylalanine diets. To compound the problem, there was uncertainty about the amount of phenylalanine to cut from the diet; as a result, some healthy children developed mental disabilities because of the treatment. Nevertheless, PKU screening was generally considered a success, and spurred questions about whether other diseases might be prevented through early detection. 
    After  further study it became clear that they could. By the late 1960s,  newborn screening for rare genetic diseases had become a permanent  part of infant health care in the United States.

    ...view full instructions

    Which  choice provides  the  best evidence  for the answer  to the  previous  question?

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