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Human Health and Disease Test - 31

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Human Health and Disease Test - 31
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  • Question 1
    1 / -0
    Tabacco chewing results in
    Solution
    Tobacco contains nicotine which is directly absorbed by the body while chewing. It is one of the most carcinogenic chemicals that can cause cancer in the mouth called as oral cancer or mouth cancer where a tumour develops on the surface of the tongue, mouth, lips or gums. Common symptoms includes persistent sores on the face, neck, or mouth that bleed easily and do not heal within 2 weeks. A soreness or feeling that something is caught in the back of the throat. Difficulty chewing or swallowing, speaking, or moving the jaw or tongue. Hoarseness, chronic sore throat, or change in voice. Hence option A is correct.
  • Question 2
    1 / -0
    Which of the following diseases is spread by a mosquito where the causative agent is not a virus
    Solution
    Dengue fever and yellow fever are  mosquitoes born diseases that are caused by a virus and is transmitted through mosquitoes. Chicken pox is a contagious disease caused by the virus Varicella zoster virus.
    Filariasis is a parasitic disease caused by the worm Wuchereria bancrofti and spread by the culex mosquitoes. Thus, the correct answer is option C.
  • Question 3
    1 / -0
    Cancer cells are more easily damaged by radiation than normal cells because they are
  • Question 4
    1 / -0
    Scopolamine or "truth drug" of world war II was obtained from
    Solution
    Scopolamine is an anticholinergic medicine. Scopolamine has many effects in the body including decreasing the secretion of fluids, slowing the stomach and intestines, and dilation of the pupils. Scopolamine is used to relieve nausea, vomiting, and dizziness associated with motion sickness and recovery from anesthesia and surgery. Scopolamine may also be used in the treatment of parkinsonism, spastic muscle states, irritable bowel syndrome, diverticulitis and other conditions. Scopolamine is also called as hyoscine. It is alkaloid drug obtained from a number of plants of the family Solenaceae, including nightshade (Atropa belladona), henbane and jimsonweed. 
    Scopolamine is an effective remedy for motion sickness, probably because of its ability to depress the central nervous system. It is also known as a truth drug. Thus, option B is correct. 
  • Question 5
    1 / -0
    What is a vaccine?
    Solution
    Correct Answer: A
    Explanation:

    • A vaccine is a biological preparation that provides active acquired immunity to a particular disease.
    • A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened (attenuated) or killed forms of the microbe, its toxins or one of its surface proteins.
    • The agent stimulates the body's immune system to recognize the agent as a threat, destroy it and keep a record of it so that the immune system can more easily recognize and destroy any of these microorganisms that it later encounters.
  • Question 6
    1 / -0
    The term active immunity means
    Solution
    Active immunity involves the active functioning of the person's own immune system leading to the synthesis of antibodies on the entry of the antigens into the body.
  • Question 7
    1 / -0
    Unprotected sexual intercourse may cause _____ .
  • Question 8
    1 / -0
    Which of the following can make you ill if you come in contact with an infected person?
    Solution
    Through sneezing, the water droplets carrying the microbes enter into the healthy person. All the others are non communicable diseases.
    Hence the correct option is C.
  • Question 9
    1 / -0
    Which of the following diseases are caused by worms?
    Solution
    • Filariasis/ Elephantiasis: It spreads by female culex mosquito. Symptoms include highly swollen legs and antifilarial drugs are used to prevent it.
    • Ascariasis: This parasite lives inside the humans intestine and absorbs food and water from it. It spreads due to contamination of food and water. The eggs of this parasite can be found in soil, unwashed fruits and vegetables. It can be prevented by cleaning vegetables and fruits before consuming. Symptoms include pain in the abdomen and vomiting.
    • Taeniasis: The parasite lives inside the intestine and absorbs food and water from it. The parasite spreads through undercooked food. Symptoms include pain in the abdomen. It can be prevented by consuming proper cooked food.
    • Therefore all the above diseases are caused by worms. Option D is correct.
  • Question 10
    1 / -0
    Which one of the following is spread through sexual contact ?
    Solution
    AIDS is an infectious disease that spreads through sexual contact. It also spreads through blood transfusion, use of common needles and syringes or from infected mother to her baby during pregnancy or breast feeding.
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