Human Health & Diseases Test

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Human Health & Diseases Test - 5

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Weekly Quiz Competition

Question 1
4 / -1

Which of the following pairs contains an infectious and a non-infectious disease respectively?

A
Typhoid and AIDS

B
AIDS and cancer

C
Pneumonia and malaria

D
Cancer and malaria

Solution

Infectious diseases are those diseases that can spread from one person to another e.g., AIDS. Non-infectious diseases are those diseases that cannot spread from one person to another e.g., cancer.
Question 2
4 / -1

Typhoid fever in human beings is caused by

A
Plasmodium vivax

B
Trichophyton

C
Salmonella typhi

D
Rhinoviruses

Solution

Salmonella typhi, a rod shaped bacterium causes typhoid.. It is transmitted through contaminated food and water. Symptoms of this disease are fever, abdominal pain, weakness and loss of appetite
Question 3
4 / -1

Which of the following statements regarding the disease typhoid is/are correct?
(i) Salmonella typhi are the pathogenic bacteria which enter human intestine through contaminated food and water and migrate to other organs through blood.
(ii) Sustained high fever (39^∘C to 40^∘C), weakness, stomach pain, constipation, headache and loss of appetite are some common symptoms of typhoid.
(iii) Typhoid vaccine is available as DPT vaccine.
(iv) Widal test is used for diagnosis of typhoid fever.
(v) The patient of this disease is not required to be treated with antibiotics.

A
(i) and (ii)

B
(iii) and (v)

C
(i), (ii) and (iv)

D
(i), (ii), (iii) and (iv)

Solution

DPT vaccine is for diphtheria, pertussis and tetanus. The patient suffering from typhoid is required to be treated with antibiotics as it is a bacterial disease.
Question 4
4 / -1

Which of the following factors affect human health?
(i) Infections
(ii) Silent mutations
(iii) Life style
(iv) Genetic disorders

A
(i), (ii) and (iv)

B
(i) and (ii)

C
(i), (iii) and (iv)

D
(i), (ii), (iii) and (iv)

Solution

Human health is affected by following three factors :
(i) Genetic disorders: These are the deficiencies or defects that a child carries from parents by birth via genes.
(ii) Infections : A person gets infections from his/her surroundings.
(iii) Life style : It includes food and water we take, rest and exercise we give to our bodies and habits that we possess or lack, etc. in our life.
Question 5
4 / -1

The common cold is caused by

A
Rhino viruses

B
Streptococcus pneumoniae

C
Salmonella typhimurium

D
Plasmodium vivax

Solution

Common cold is caused by some 100 types of Rhino viruses. Symptoms of common cold are irritation of nasal tract, nasal congestion, flow of mucus, sore throat, sneezing, cough, headache and mild fever.
Question 6
4 / -1

A toxic substance, responsible for the chills and high fever recurring every three to four days in malarial fever, is

A
interferon

B
haemozoin

C
colostrum

D
hirudin

Solution

In malaria, chills and shivers are caused by the release of toxic substance haemozoin into the blood at the time of RBCs rupture. It is generally followed by fever.
Question 7
4 / -1

During the life cycle of Plasmodium, sexual reproduction takes place in which of the following hosts?

A
Human

B
Female Anopheles mosquito

C
Male Anopheles mosquito

D
Both (a) and (b)

Solution

Malaria is caused by Plasmodium parasite. It has two hosts to complete its life cycle. Female Anopheles mosquito is the primary host in which the sexual phase of the parasite occurs. Human being is the secondary host in which the asexual phase of the parasite occurs.
Question 8
4 / -1

Amoebic dysentery (amoebiasis) is caused by

A
Entamoeba histolytica

B
E. coli

C
Streptococcus pneumoniae

D
Trichophyton

Solution

Amoebic dysentery is caused by a monogenic protozoan known as Entamoeba histolytica. The pathogen lives in the large intestine of humans. The patient passes blood along with the faeces and feels pain in the abdomen.
Question 9
4 / -1

Appearance of dry, scaly lesions with itching on various partsof the body are the symptoms of the disease

A
elephantiasis

B
ringworm

C
ascariasis

D
amoebiasis

Solution

Ringworms or tinea is caused by the fungi belonging to the genera Microsporum, Trichophyton and Epidermophyton. Appearance of dry, scaly lesions with itching on various parts of the body such as skin, nails and scalp are the main symptoms of ringworm. The infection is generally acquired from soil or by using towels, clothes or even the comb of infected persons.
Question 10
4 / -1

Elephantiasis, a chronic inflammation that results in grossdeformities is caused by

A
Ascaris

B
E coli

C
Wuchereria

D
Trichophyton

Solution

Elephantiasis or filariasis is caused by a number of worms. However, in India only two types of worms are responsible for this disease, Wuchereria bancrofti and W. malayi.This disease is transmitted by female Cu/exmosquitoes. Elephantiasis affects lymphatic vessels of the lower limbs.
Question 11
4 / -1

Gambusia is a fish which is being introduced into the ponds in order to check the vector borne diseases such as

A
dengue

B
malara

C
Chikungunya

D
all of these

Solution

Gambusia feeds on the larvae of mosquitoes that live in water. Mosquito is a vector for all these three diseases , dengue, malaria and chikungunys.
Question 12
4 / -1

An intestinal parasite which causes blockage of the intestinal passage and whose eggs are excreted along with the faeces of infected person is____ .

A
Wuchereria bancrofti

B
Ascaris

C
Epidermophyton

D
Microsporum

Solution

Ascaris is an endoparasite of the small intestine. A large number of adult Ascaris worms normally obstruct the intestinal passage and thereby cause abdominal discomfort and colic pain. Other symptoms include impaired digestion, diarrhoea and vomiting. Ascaris's eggs are excreted along with the faeces of infected person.
Question 13
4 / -1

Which of the following pairs correctly matches a disease and a pathogen causing it?

A
Typhoid - Salmonella typhi

B
Pneumonia - Haemophilus pneumoniae

C
Malaria - Ascaris lumbricoides

D
Ringworm - Entamoeba histolytica
Solution
Typhoid - Salmonella typhi
Pneumonia - Streptococcus pneumoniae
Malaria - Plasmodium
Ringworm - Trichophyton
Question 14
4 / -1

Which one of the following diseases cannot be cured by taking antibiotics?

A
Plague

B
Amoebiasis

C
Leprosy

D
Whooping cough

Solution

Antibiotics are used to treat bacterial diseases. Plague, leprosy and whooping cough are bacterial diseases. Amoebiasis is a protozoan disease. It cannot be cured by taking antibiotics.
Question 15
4 / -1

Which one of the following pairs is not correctly matched?

A
Dengue fever - Flavi-ribo virus

B
Syphilis - Trichuris trichiura

C
Plague - Yersinia pestis

D
Filariasis - Wuchereria bancrofti

Solution

Syphilis is a spirochaetal disease caused by Treponema pallidum. It is a sexually transmitted disease.
Question 16
4 / -1

The main reason why antibiotics could not solve at the problems of bacteria-mediated diseases is

A
insensitivity of the individual following prolonged exposure to antibiotics

B
inactivation of antibiotics by bacterial enzymes

C
decreased efficiency of the immune system

D
the development of mutant strains resistant to antibiotics

Solution

In response to antibiotics, bacteria develop mutant strains that become resistant to these antibiotics. Thus these antibiotics become incapable against bacterial mediated diseases.
Question 17
4 / -1

Hepatitis B is transmitted through

A
sneezing

B
female Anopheles

C
coughing

D
blood transfusion

Solution

Hepatitis B is a viral disease, transmitted through both blood transfusion and sexual intercourse.
Question 18
4 / -1

Read the following statements and select the correct option.
Statement 1: Malarial parasite requires two hosts - humans and mosquitoes to complete its life cycle.
Statement 2: Haemozoin is a toxic substance produced by the rupturing of liver cells during malarial infection.

A
Both statements 1 and 2 are correct

B
Statement 1 is incorrect but statement 2 is correct

C
Statement 1 is correct but statement 2 is incorrect

D
Both statements 1 and 2 are incorrect

Solution

Malarial parasite requires two hosts - humans and mosquitoes to complete its life cycle. Mosquito acts as a primary host and human acts as a secondary host. Haemozoin is a toxic substance produced by the rupturing of red blood cells.
Question 19
4 / -1

A disease sometimes found in persons above 40 which is charachterised by poor CNS corrdination, forgetfullness and tremor of hands is

A
Epilepsy

B
Alzheimer's disease

C
Migraine

D
Schizophrenia

Solution

Alzheimer's is the most common cause of dementia, a general term for memory loss and other cognitive abilities serious enough to interfere with daily life. It’s most common for people of the age group above 40.
Question 20
4 / -1

Common cold differs from pneumonia in that Pneumonia

A
Pneumonia is caused by a virus while the common cold is caused by the bacterium

B
Pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs

C
Pneumonia is non-communicable disease while common cold is communicable disease

D
Pneumonia can be prevented by live attenuated vaccine while common cold has no effective vaccine

Solution

Pneumonia is caused by bacteria, streptococcus pneumoniae and Haemophilus influenzae. It is serious disease of lungs infecting alveoli and bronchioles. It is a communicable disease. Common cold is a viral disease caused by Rhino virus.
Question 21
4 / -1

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of

A
Taenia, a tapeworm

B
Ascans, a roundworm

C
Rhizopus, a mould

D
Wuchereria, a filarial worm

Solution

Microsporum and Rhizopus belong to the kingdom fungi.
Question 22
4 / -1

Where will you look for the sporozoites of malarial parasite?

A
Saliva of infected female Anopheles mosquito

B
Salivary glands of freshly moulted female Anopheles mosquito

C
Spleen of infected humans

D
red blood corpuscles of humans suffering from malaria

Solution

When a female Anopheles mosquito bites an infected person, Plasmodium enters the mosquito's body and undergoes further development. The parasites multiply within them to form sporozoites that are stored in their salivary glands.
Question 23
4 / -1

Which one of the following pairs of diseases is viral as well as transmitted by mosquitoes?

A
Encephalitis and sleeping sickness

B
Yellow fever and sleeping sickness

C
Elephantiasis and dengue

D
Yellow fever and dengue

Solution

Yellow fever is caused by flavivirus and dengue is caused by arbovirus. Both are transmitted by the bite of mosquito, Aedes aegypti.
Question 24
4 / -1

Which of the following is a bacterial disease?

A
Dysentery

B
Malaria

C
Plague

D
Both (a) and (c)

Solution

Plague is a bacterial disease caused by Yersiria pestis Symptoms of this disease are high fever and a bubo in the groin or armpit. It is primarily a disease of rodents accidently affects man. The vector of this disease is rat fleas that carries germs of plague from rat to rat. When the rats dies of plague, the fleas leave the dead rat and if any man is nearby, they bite him and inject some plague germs into his blood. Shigellosis or bacillary dysentery a diarrheal illness resulting from an acute inflammatory reaction caused by shigella,
Question 25
4 / -1

Which of the following statements is incorrect?

A
Pneumonia can be transmitted to a healthy person by inhaling the droplets released by an infected person and also by sharing utensils

B
Pathogens causing pneumonia are Streptococcus pneumoniae and Haemophilus influenzae

C
There is no vaccine yet available to prevent pneumonia

D
None of these

Solution

Bacteria like Streptococcus pneumoniae and Haemophilus influenzae are responsible for the disease pneumonia in humans, which infects the alveoli of lungs. A healthy person acquires the infection by inhaling the droplets, released by an infected person or even by sharing utensils with an infected person. Pneumonia vaccine is available these days. It is a second generation vaccine prepared by recombinant DNA technology/genetic engineering

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Human Health & Diseases Test - 5

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Human Health & Diseases Test - 5

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SHARING IS CARING

Question 1

Typhoid and AIDS

AIDS and cancer

Pneumonia and malaria

Cancer and malaria

Solution

Question 2

Plasmodium vivax

Trichophyton

Salmonella typhi

Rhinoviruses

Solution

Question 3

(i) and (ii)

(iii) and (v)

(i), (ii) and (iv)

(i), (ii), (iii) and (iv)

Solution

Question 4

(i), (ii) and (iv)

(i) and (ii)

(i), (iii) and (iv)

(i), (ii), (iii) and (iv)

Solution

Question 5

Rhino viruses

Streptococcus pneumoniae

Salmonella typhimurium

Plasmodium vivax

Solution

Question 6

interferon

haemozoin

colostrum

hirudin

Solution

Question 7

Human

Female Anopheles mosquito

Male Anopheles mosquito

Both (a) and (b)

Solution

Question 8

Entamoeba histolytica

E. coli

Streptococcus pneumoniae

Trichophyton

Solution

Question 9

elephantiasis

ringworm

ascariasis

amoebiasis

Solution

Question 10

Ascaris

E coli

Wuchereria

Trichophyton

Solution

Question 11

dengue

malara

Chikungunya

all of these

Solution

Question 12

Wuchereria bancrofti

Ascaris

Epidermophyton

Microsporum

Solution