MCQs Parasitology (1-10) with Answers

**1. Each of the following statements concerningAscaris lumbricoidesis correct except:**a. Ascaris lumbricoidesis one of the largest nematodeb. Ascaris lumbricoidescan cause pneumoniac. Both dogs and cats are intermediate hosts of Ascaris lumbricoidesd. A. lumbricoides is transmitted by ingestion of eggs

**2. Each of the following statements concerning kala-azar is correct except:**a. Kala-azar is caused by Leishmania donovanib. kala-azar is transmitted by the bite of sandfliesc. Kala-azar occurs primarily in rural Latin Americad. Kala-azar can be diagnosed by finding amastigotes in bone marrow

**3. Each of the following statements concerning hookworm infection is correct except:**a. Hookworm infection can cause pneumoniab. Hookworm infection is acquired by humans when filariform larvae penetrate the skinc. Hookworm infection is caused by Necator americanusd. Hookworm infection can be diagnosed by finding the trophozoite in the stool

**4. Each of the following statements concerningTrichomonas vaginalisis correct except:**a. T. vaginalis is transmitted sexuallyb. T. vaginalis can be diagnosed by visualizing the trophozoitec. T. vaginaliscan be treated effectively with metronidazoled. T. vaginaliscauses bloody diarrhea

**5. Each of the following statements concerningGiardia lambliais correct except:**a. G. lambliahas both a trophozoite and cyst stage in its life cycleb. G. lamblia is transmitted by the fecal-oral route from both human and animal sourcesc. G. lambliacauses hemolytic anemiad. G. lambliacan be diagnosed by the string test

6. Each of the following statements concerningmalariais correct excepta. The female anopheles mosquito is the vectorb. Early infection, sporozoites enter hepatocytesc. Release of merozoites from red blood cells causes fever and chillsd. The principal site of gametocyte formation is the human gastrointestinal tract.

**7. Each of the following parasites is transmitted by mosquitoes except:**a. Leishmania donovanib. Wuchereria bancroftic. Plasmodium vivaxd. Plasmodium falciparum

**8. Pigs or dogs are the sources of human infection by each of the following parasites except:**a. Echinococcus granulosusb. Taenia soliumc. Ascaris lumbricoidesd. Trichinella spiralis

9. In malaria, the form of plasmodia transmitted from mosquito to human is thea. Sporozoiteb. Gametocytec. Merozoited. Hypnozoite

10. Which of the following agent is used to prevent malariaa. Mebendazoleb. Chloroquinec. Inactivated vaccined. Zinc table

Answer Keys

1. c (Incorrect statement is: Both dogs and cats are the intermediate hosts of Ascaris lumbricoides)
2. c (Incorrect statement is: Kala-azar occurs primarily in rural Latin America)
3. d (Incorrect statement is:  Hookworm infection can be diagnosed by finding the trophozoite in the stool)
4. d (Incorrect statement is: T. vaginaliscauses bloody diarrhea)
5. c (**Incorrect statement is:**G. lambliacauses hemolytic anemia)
6. d  (**Incorrect statement is:**The principal site of gametocyte formation is the human gastrointestinal tract).
7. a (Leishmania donovani). Leishmania donovani is transmitted by the bite of infected female phlebotomine sandflies
8. c (Ascaris lumbricoides)
9. a (Sporozoite)
10. b ( Chloroquine)

PracticeMCQs in Parasitology: Malarial Disease HERE

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