TEST BANK for Medical Parasitology

TEST BANK for Medical Parasitology: A Self-
Instructional Text, 7th Edition by Leventhal; Cheadle

1. Which of the following causes Chagas' disease
a) Trypanosoma brucei gambience
b) Leishmania donovani
c) Trypanosoma cruzi
d) Leishmania braziliensis - ANSWER c) Trypanosoma cruzi

1. Which of the following parasitic organisms is considered to be a sexually
transmitted disease:
a) Trypanosoma cruzi
b) Dientamoeba fragilis
c) Trichomonas vaginalis
d) Leishmania braziliensis - ANSWER Trichomonas vaginalis

1. Most patients with toxoplasmosis that are not immunocompromised experience
a) urinary frequency and pain, and vaginal discharge.
b) chills, fever, and sweating.
c) fever, swollen lymph nodes, and joint pain.
d) bloody, mucus-filled stools, fever, diarrhea, and weight loss.
e) sore throat, low grade fever, and swollen lymph nodes. - ANSWER e) sore throat,
low grade fever, and swollen lymph nodes.

1. Toxoplasma gondii can infect most mammals but can only reproduce in:
a) Pigs
b) Cats
c) Humans
d) Cattle - ANSWER cats

1. Boiling will not kill Giardia lamblia cysts in contaminated water.
a) True
b) False - ANSWER False

The Trypanosoma cruzi amastigote:
a) Is the intracellular, dividing form that can be found in macrophages or heart
muscle
b) Is the non-dividing form found in the rejuviid bug
c) Has a characteristic "C" shape
d) None of the above - ANSWER Is the intracellular, dividing form that can be found
in macrophages or heart muscle

1. Which of the following disease is transmitted via tsetse fly bites?
a) Chagas' disease
b) Giardiasis
c) African sleeping sickness
d) Leishmaniasis - ANSWER African Sleeping Sickness

, 1. Chagas disease is treated with chloroquine.
a) True
b) False - ANSWER False

1. African sleeping sickness is caused by
a) Plasmodium falciparum.
b) Leishmania brasiliensis.
c) Isospora belli.
d) Trypanosoma brucei.
e) Trypanosoma cruzi. - ANSWER Trypanosoma brucei.

The first stage of the clinical course of Trypanosoma brucei is characterized by:
a) Migration of the parasite along olfactory nerves leading to inflammation and
infection of the brain
b) Lung invasion as a result of erosion of liver abscesses
c) Migration of the parasite along olfactory nerves leading to inflammation and
infection of the brain
d) The presence of the parasite in peripheral circulation, but not yet in the central
nervous system (CNS) - ANSWER d) The presence of the parasite in peripheral
circulation, but not yet in the central nervous system (CNS)

1. While on a backpacking trip in Maine, Julie and her friends obtained their drinking
water from several different pristine streams, adding one or two drops of bleach to
ensure its safety. Several days later Julie began experiencing abdominal distress,
specifically cramping, fatty diarrhea, and flatulence. When it didn't clear up within
several days, Julie visited her doctor. Which of the following would be the most likely
cause of Julie's symptoms?
a) Entamoeba histolytica
b) Giardia intestinalis
c) E. coli O157:H7
d) Schistosoma mansoni
e) Toxoplasma gondii - ANSWER Giardia intestinalis

1. Diagnosis of giardiasis involves checking __________ in feces.
a) cysts
b) trophozoites
c) eggs
d) larva
e) All of the choices are correct. - ANSWER Cysts

1. Visceral leishmaniasis is caused by:
a) Trypanosoma brucei gambience
b) Leishmania donovani
c) Trypanosoma cruzi
d) Leishmania braziliensis - ANSWER Leishmania donovani

1. Which of the following regarding the structure/ morphology of Trichomonas
vaginalis is TRUE.