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Human Health and Disease Test - 36

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Human Health and Disease Test - 36
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Leukaemia is due to
    Solution
    • Leukaemia is cancer of blood-forming cells. 
    • Leukaemia usually causes large numbers of white blood cells to be made.
    • These abnormal cells usually can't carry out the normal functions of white blood cells. 
    • They crowd the bone marrow and spill into the blood and may then spread into organs such as the liver, spleen, lungs and kidneys. 
    • Sometimes, they may also spread into the fluid around the brain and spinal cord. 
    • Because there are so many abnormal white cells crowded into the bone marrow, the marrow sometimes can't make enough normal red blood cells, white blood cells and platelets. 

    Thus, option B is correct.
  • Question 2
    1 / -0
    Consider the following statements.
    AIDS is transmitted ________.
    1. By sexual intercourse
    2. By blood transfusion
    3. By mosquitoes and other blood-sucking insects
    4. Across the placenta
    Solution
    • Human immunodeficiency virus, or HIV, is a human retrovirus that infects lymphocytes and causes AIDS. 
    • It spreads through body fluid by sexual intercourse, blood transfusion, and through the placenta. 
    Thus, the correct answer is option B.
  • Question 3
    1 / -0
    Health is defined as _______________.
    Solution
    • According to WHO: “Health is a complete state of physical, mental and social well-being, and not merely the absence of disease or infirmity.” 

    Thus, the correct answer is (D).
  • Question 4
    1 / -0
    Which of the following disease does not have a vaccine?
    Solution
    Rhinoviruses are the causative agent of a vaccine. There are no vaccines against these viruses as there is little-to-no cross-protection between serotypes. At least 99 serotypes of human rhinoviruses affecting humans have been found. It is just too difficult for scientists to make a vaccine that protects against all of the strains of rhinovirus.
    So, the correct answer is option C.
  • Question 5
    1 / -0
    A non-specific immunity is
    Solution
    Innate immunity refers to non-specific defense mechanisms that are present in the human body by birth to protect against the antigen. These mechanisms include physical barriers such as skin, chemicals in the blood and immune system cells that attack foreign cells in the body.
    So, the correct answer is option D.
  • Question 6
    1 / -0
    Nicotine is present in 
    Solution
    • Nicotine which is a pyrrolidine alkaloid is found in high concentrations in the leaf of the plant Nicotiana tabacum or tobacco of the family Solanaceae.
    • Lower concentrations of this alkaloid are also found in potatoes, tomatoes, and pepper.
    Therefore, the correct answer is option D.
  • Question 7
    1 / -0
    AIDS spreads through
    Solution
    AIDA is the viral disease caused by HIV virus. It is transmitted through body fluids such as blood, semen, rectal fluids, vaginal fluids, breast milk. These body fluids must come into contact with a mucous membrane or damaged tissue or be directly injected into your bloodstream (by a needle or syringe) blood transfusion, sexual contact, breastfeeding and from HIV-positive pregnant women to their babies in the womb through the placenta and during birth. 
    Therefore, the correct answer is option D.
  • Question 8
    1 / -0
    The spread of cancer cells to other parts of the body is known as 
    Solution
    Metastasis, or metastatic disease, is the spread of a cancer disease from one organ or part to another not directly connected with it. Metastasis depends on the cancer cells acquiring two separate abilities -- increased motility and invasiveness. Cells that metastasize are basically of the same kind as those in the original tumor. If a cancer arises in the lung and metastasizes to the liver, the cancer cells in the liver are lung cancer cells. However, the cells have acquired increased motility and the ability to invade another organ.
  • Question 9
    1 / -0
    Ringworm diseases in humans are caused by
    Solution
    Ringworm is a fungal skin infection. It is not due to a worm as its name implies. There are many types of fungal germs (fungi) that can infect the skin, nails and hair. Fungal infections are also known as tinea or dermatophyte infections or dermatophytosis. Ringworm is contagious and can be passed from person to person by contact with infected skin areas or by sharing combs and brushes, other personal care items or clothing.
  • Question 10
    1 / -0
    Nicotine present in cigarettes and beedis stimulate the
    Solution
    • Nicotine is present in cigarettes and beedis which is dangerous and highly addictive chemical.
    • Nicotine acts on special receptors known as nicotine receptors which are present on neurons. 
    • Since neurons are a part of the nervous system, nicotine acts on the nervous system.
    • Nicotine acts as both a stimulant and a depressant to the central nervous system.
    The correct answer is 'nervous system'
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