MCB 100 - QUIZ #11 UPDATED ACTUAL and Correct Answers
Question: T/F
Answer:
Contact with infected cats and their feces is the only mode of transmission of Toxoplasma to humans.:
False
Question: T/F
Answer:
Plasmodium reproduces by binary fission.: False
Question: T/F
Answer:
Several species of Plasmodium cause malaria in humans.: True
Question: The definitive host of a parasite is
a. the host for immature stages of the parasite.
b. the host for the dormant stage of the parasite.
c. where the mature form of the parasite occurs.
d. also the vector for the parasite.
e. the host that the parasite name is based on.
Submit
Answer:
c. where the mature form of the parasite occurs.
Question: Once infected with Trypanosoma brucei, the patient's immune system cannot clear the
infection and develop immunity because the parasite
a. has flagella that allow it to travel all over the body.
b. changes its glycoprotein surface antigens every time it replicates.
c. invades the central nervous system.
d. matures into infectious trypomastigotes.
e. reproduces by binary fission.
Answer:
b. changes its glycoprotein surface antigens every time it replicates.
Question: Trypanosoma cruzi is introduced into the body by
a. feces containing trypomastigotes contaminating a bite wound.
b. the bite of a tsetse fly, which introduces the trypomastigotes into the
, c. body.ingesting food contaminated with the parasite.
d. the bite of a sand fly that has ingested phagocytes containing the parasite.
e. wearing contact lenses cleaned with contaminated tap water.
Answer:
a. feces containing
trypomastigotes contaminating a bite wound.
Question: Which of the following is the most common parasitic disease in industrialized nations?
a. giardiasiss
b. chistosomiasis
c. balantidiasis
d. toxoplasmosis
e. Trichomonas infection
Answer:
e. Trichomonas infection
Question: Cycles of fever which recur every 48 hours is characteristic of
a. leishmaniasis.
b. malaria.
c. balantidiasis
d. giardiasis.
e. toxoplasmosis.
Answer:
b. malaria.
Question: Which type of leishmaniasis is most likely fatal?
a. cutaneous leishmaniasis
b. mucocutaneous leishmaniasis
c. Gastrointestinal leishmaniasis
d, visceral leishmaniasis
Answer:
d. visceral leishmaniasis
Question: A patient infected with a protozoan parasite who also exhibits congestive
heart failure is most likely in the final stages of which of the following diseases?
a. Chagas' disease
b. giardiasis
Question: T/F
Answer:
Contact with infected cats and their feces is the only mode of transmission of Toxoplasma to humans.:
False
Question: T/F
Answer:
Plasmodium reproduces by binary fission.: False
Question: T/F
Answer:
Several species of Plasmodium cause malaria in humans.: True
Question: The definitive host of a parasite is
a. the host for immature stages of the parasite.
b. the host for the dormant stage of the parasite.
c. where the mature form of the parasite occurs.
d. also the vector for the parasite.
e. the host that the parasite name is based on.
Submit
Answer:
c. where the mature form of the parasite occurs.
Question: Once infected with Trypanosoma brucei, the patient's immune system cannot clear the
infection and develop immunity because the parasite
a. has flagella that allow it to travel all over the body.
b. changes its glycoprotein surface antigens every time it replicates.
c. invades the central nervous system.
d. matures into infectious trypomastigotes.
e. reproduces by binary fission.
Answer:
b. changes its glycoprotein surface antigens every time it replicates.
Question: Trypanosoma cruzi is introduced into the body by
a. feces containing trypomastigotes contaminating a bite wound.
b. the bite of a tsetse fly, which introduces the trypomastigotes into the
, c. body.ingesting food contaminated with the parasite.
d. the bite of a sand fly that has ingested phagocytes containing the parasite.
e. wearing contact lenses cleaned with contaminated tap water.
Answer:
a. feces containing
trypomastigotes contaminating a bite wound.
Question: Which of the following is the most common parasitic disease in industrialized nations?
a. giardiasiss
b. chistosomiasis
c. balantidiasis
d. toxoplasmosis
e. Trichomonas infection
Answer:
e. Trichomonas infection
Question: Cycles of fever which recur every 48 hours is characteristic of
a. leishmaniasis.
b. malaria.
c. balantidiasis
d. giardiasis.
e. toxoplasmosis.
Answer:
b. malaria.
Question: Which type of leishmaniasis is most likely fatal?
a. cutaneous leishmaniasis
b. mucocutaneous leishmaniasis
c. Gastrointestinal leishmaniasis
d, visceral leishmaniasis
Answer:
d. visceral leishmaniasis
Question: A patient infected with a protozoan parasite who also exhibits congestive
heart failure is most likely in the final stages of which of the following diseases?
a. Chagas' disease
b. giardiasis
