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Chemistry in Everyday Life Test - 18

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Chemistry in Everyday Life Test - 18
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  • Question 1
    1 / -0
    Which of the following is scientific explanation of depression?
    Solution
    Noradrenaline is a neurotransmitter that plays a role in mood swings. Low levels of noradrenaline lower the signal-sending activity and make the person suffers from depression. 
  • Question 2
    1 / -0
    A lot of controversy has been generated over the use of 'BVO' in soft drinks on the ground that it is carcinogenic (cancer-causing). What is 'BVO'?
    Solution
    BVO stands for brominated vegetable oil which is a food additive sometimes used to keep citrus flavoring from separating out in some sodas and sports drinks.
    It is a complex mixture of plant derived triglycerides that have been reacted to contain atoms of the elements bromines bounded to the molecules.
  • Question 3
    1 / -0
    The drugs which are given to the patients suffering from anxiety and mental tension are known as:
    Solution
    Tranquilizers is a neurologically active drug. This affects the message transfer mechanism from nerve to receptor. Tranquilizers are a class of chemical compounds used for the treatment of stress, and mild or even severe mental diseases. These relieve anxiety, stress, irritability or excitement by inducing a sense of well-being. They form an essential component of sleeping pills.
  • Question 4
    1 / -0
    Phenobarbitone is a sleep-inducing drug. It is also used in making:
    Solution
    Phenobarbital belongs to the class of medications called barbiturates. It is used to treat insomnia (difficulty sleeping) and as a sedative to relieve the symptoms of anxiety or tension. It is also used in making urea which serves an important role in the metabolism of nitrogen-containing compounds by animals and is the main nitrogen-containing substance in the urine of mammals. It also used for the control of certain types of seizures. It works by slowing down the brain and nervous system.

  • Question 5
    1 / -0
    The use of chemicals for treatment of diseases is called:
    Solution
    Chemotherapy is the science in which chemicals are used for the treatment of diseases.
  • Question 6
    1 / -0
    Equanil is:
    Solution
    Equanil is a tranquilizer used in controlling depression and hypertension.
  • Question 7
    1 / -0
    Which of the following is a to criteria to classify drugs? 
    Solution

    Drugs are chemicals of low molecular masses (100 – 500u). These
    interact with macromolecular targets and produce a biological response.
    Drugs can be classified mainly on criteria outlined as follows:
    (a) On the basis of pharmacological effect
    This classification is based on pharmacological effect of the drugs. It
    is useful for doctors because it provides them the whole range of
    drugs available for the treatment of a particular type of problem. For
    example, analgesics have pain killing effect, antiseptics kill or arrest
    the growth of microorganisms.
    b) On the basis of drug action
    It is based on the action of a drug on a particular biochemical process.
    For example, all antihistamines inhibit the action of the compound,
    histamine which causes inflammation in the body.
    (c) On the basis of chemical structure
    It is based on the chemical structure of the drug. Drugs classified in this
    way share common structural features and often have similar
    pharmacological activity.
    (d) On the basis of molecular targets
    Drugs usually interact with biomolecules such as carbohydrates, lipids,
    proteins and nucleic acids. These are called target molecules or drug
    targets. Drugs possessing some common structural features may have
    the same mechanism of action on targets. The classification based on
    molecular targets is the most useful classification for medicinal chemists.
    So,option D is the correct answer
  • Question 8
    1 / -0
    Which of the following fibres is said to be very harmful for health?
    Solution
    Heavy exposure to asbestes over many years causes asbestosis which is a serious scarring condition of the lungs. This condition can cause progressive shortness of breath and in server cases can be fatal.
  • Question 9
    1 / -0
    Which is not true for a detergent molecule?
    Solution
    Detergents are sodium salt of sulphonic acids.
  • Question 10
    1 / -0
    Aspirine is a an:
    Solution
    Aspirine is an analgesic (meaning it helps pain), and an antipyretic (meaning it reduces fever.)

    Option B is correct
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