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Human Health and Disease Test - 44

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Human Health and Disease Test - 44
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Weekly Quiz Competition
  • Question 1
    1 / -0
    An adolescent is greatly influenced by __________ during this phase. 
    Solution
    The period following the onset of puberty during which a young person develops from a child into an adult is called as adolescence. The adolescence period is from 13 to 19 years of age. It is divided into three stages. During adolescence, lots of psychological changes occur in child. These are mood swings, struggle with own's identity, close friendship develops, efforts to make new friends, less attention to parents, peer group influences interests and clothing styles, periods of sadness, concerned with appearance and own's body, making independent decisions, etc.
    Thus, the correct answer is option C.
  • Question 2
    1 / -0
    Which of the following affects H$$_1$$ receptor?
  • Question 3
    1 / -0
    Cleansing and grooming the human body to prevent infection is called as
    Solution
    Personal hygiene may be described as the principle of maintaining cleanliness and grooming of the external body. It leads to better health, and prevent illness and infection from bacteria or viruses. 
    So, the correct answer is option B.
  • Question 4
    1 / -0
    Which of the following T-cells are destroyed by HIV?
    Solution
    • HIV infects vital cells in the human immune system such as helper T cells (specifically T- CD$$_4$$ lymphocytes), macrophages and dendritic cells. 
    • The T helper cells are a type of T-cell that plays an important role in the immune system, particularly in the adaptive immune system. They help the activity of other immune cells by releasing T cell cytokines. 
    • By viral replication, T-helper cells get damaged and gradually reduce in number. 
    • Towards the end of an HIV infection, the number of functional T- CD$$_4$$ lymphocytes falls, which leads to the symptomatic stage of infection called AIDS (Acquired Immune Deficiency Syndrome). 

    Thus, the correct answer is option D.
  • Question 5
    1 / -0
    Regular exercise and proper rest is an important part of
    Solution
    Personal hygiene is a part of the prevention of infection or disease. Personal hygiene includes the approaches which can be undertaken with regard to self to prevent the occurrence of infection. Maintaining good hygiene and cleanliness, taking care of own skin, eating healthy food, drinking boiled water, etc. are some of the measures which can be taken by individual level and are a part of personal hygiene. Regular exercise and proper sleep help to maintain the body healthy and free of infections. 
    Thus, the correct answer is option B.
  • Question 6
    1 / -0
    An autoimmune disease is
    Solution
    Myasthenia gravis is caused by a defect in the transmission of nerve impulses to muscles. It causes the weakness of the skeletal muscles of the body. In Myasthenia gravis, antibodies block the receptors for acetylcholine at the synapse, which prevents the muscle contraction. These antibodies are produced by the body's own immune system and thus called as autoimmune disease.
    Thus, the correct answer is option D.
  • Question 7
    1 / -0
    Phenelzine is used as an:
    Solution
    Phenelzine is a drug which belongs to a class of antidepressants called monoamine oxidase inhibitors (MAOIs), used to treat depression.

    This medication treats depression by restoring the balance of certain natural substances (neurotransmitters) in the brain. Phenelzine can improve your mood and feelings of well-being.

    Hence, option D is correct.

  • Question 8
    1 / -0
    Which of the following is a common drug used as anti-allergen?
    Solution
    The anti-allergens are the molecules which are used for the prevention or treatment of allergic reactions. Sodium cromoglycate is commonly used as an anti-allergen. The drug inhibits the process of degranulation of the mast cells and basophils. This prevents the release of histamines and leukotrienes which are the inflammatory agents. 
    Thus, the correct answer is option B. 
  • Question 9
    1 / -0
    Study the following statements with reference to drugs and choose the correct one.

    (I) Barbiturates cause sleeplessness.
    (II) Opioids are obtained from the leaves of Erythroxylum coca
    (III) Morphine is a very effective sedative and pain killer.
    (IV) Cocaine is obtained from Indian hemp plant.
    Solution
    • Barbiturates are known as sedative-hypnotics, which generally have sleep-inducing and anxiety-decreasing effects. Opioids are  extracted from dry latex of opium poppy.
    • Morphine is a potent opiate analgesic drug used to relieve severe pain and as sedative. Hemp plant produces marijuana whereas Cocaine is extracted from the coca plant. 
    Thus, the correct answer is option C.
  • Question 10
    1 / -0
    Which one of the following is the curing process of myasthenia gravis?
    Solution
    • Thymectomy is the process in which the thymus gland is removed. 
    • Thymus gland is responsible for T-cell differentiation. The gland is recommended to be removed in the cases of people suffering from Myasthenia gravis. 
    • This is a disorder in which the skeletal muscles are affected. 
    • The removal of this gland prevents the production of the antibodies against the acetylcholine receptors and thus, the transmission of the impulses is stopped.
    • Thus, the correct answer is option C. 
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