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Human Health and Disease Test - 23

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Human Health and Disease Test - 23
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Filarial larva can be collected from man's 
    Solution
    The first stage larvae of Wuchereria bancrofti are known as microfilariae and are present in the circulation. The microfilariae are found mainly in the peripheral blood and can be found at peak amounts from 10 pm to 4 am. They migrate between the deep and the peripheral circulation exhibiting unique diurnal periodicity.
    Thus, the correct answer is an option B.
  • Question 2
    1 / -0
    People who are at high risk for HIV infection are ?
    Solution
    HIV spreads mainly by having sex or sharing injection drug equipment such as needles with someone who has HIV. Also, certain fluid like blood from an HIV-infected person can transmit HIV. So, the person who has multiple sex partners or who takes drugs intravenously (through needles, injections) and who require repeated blood transfusions are at high risk of HIV.
    Thus, the correct answer is option D.
  • Question 3
    1 / -0
    Wuchereria bancrofti is transmitted by
    Solution
    Filariasis, commonly called as elephantiasis, is a parasitic infection that causes extreme swelling in the arms and the legs. The disease is caused by a filarial worm, which is transmitted from human to human via female mosquito when it takes a blood meal. Wuchereria bancrofti is one such nematode parasite, that causes filariasis and is transmitted by female Culex.
    So, the correct answer is option D.
  • Question 4
    1 / -0
    The study of worms which cause parasitic infestations in man is 
    Solution
    Helminthology is the study of parasitic worms or helminths. This field deals with the study of their taxonomy and the effect on their hosts. 
    Herpetology is a branch of zoology concerned with the study of amphibians and reptiles.
    Ichthyology is the study of fishes. 
    Malacology is the branch of invertebrate zoology that deals with the study of Mollusc.
    So, the correct answer is option A.
  • Question 5
    1 / -0
    Filaria germ is a kind of
    Solution
    Parasitic helminths are worms that are classified within the phyla Nematode. The filarial worm is also one such kind of helminth. They feed on the body fluids of the host. These are popularly known as roundworms.These are triploblastic and have a false body cavity.
    So, the correct answer is option B.
  • Question 6
    1 / -0
    Which one spreads filaria?
    Solution
    Filariasis, commonly called as elephantiasis, is a parasitic infection that causes extreme swelling in the arms and the legs. The disease is caused by a filarial worm, which is transmitted from human to human via female mosquito when it takes a blood meal. So, the correct answer is option C.
  • Question 7
    1 / -0
    Which of the following pairs is correct?
    Solution
    Yellow fever is an acute viral disease and it primarily spreads by mosquitoes of Aedes aegypti species.
    Kala-azar or leishmaniasis is a disease caused by protozoan parasites of the Leishmania genus.
    Amoebic dysentery is a type of dysentery caused by the amoeba, Entamoeba histolytica.
    Culex is the genus of mosquitoes and serves as vectors and filariasis is one such disease for which Culex is the vector.
    So, the correct answer is option D.
  • Question 8
    1 / -0
    Infection of Ascaris usually occurs by
    Solution
    Ascariasis is an infection to the small intestine, caused by Ascaris lumbricoides, a large roundworm. Eating uncooked food grown in contaminated soil or irrigated with inadequately treated wastewater is a frequent avenue of infection. It feeds on the fluids of the intestine which adversely affects the host. So, the correct answer is option D.
  • Question 9
    1 / -0
    Filaria is transmitted by
    Solution
    Filariasis is an infectious tropical disease caused by parasites filarial nematodes. They are transmitted to humans through the bites of the female Culex mosquitoes. These are pseudocoelomate and they are triploblastic in nature.
    So, the correct answer is option D.
  • Question 10
    1 / -0
    Elephantiasis in man is caused by ____________.
    Solution
    • Filariasis, commonly called elephantiasis, is a parasitic infection that causes extreme swelling in the arms and the legs. 
    • The disease is caused by a filarial worm, which is transmitted from human to human via a female mosquito when it takes a blood meal. 
    • Wuchereria bancrofti is one such nematode parasite.
    • It generally spreads through the Culex and Anopheles mosquitoes.
    So, the correct answer is option D.
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