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Microbiology, 5/e

Lansing M Prescott, Augustana College
Donald A Klein, Colorado State University
John P Harley, Eastern Kentucky University

Human Diseases Caused by Fungi and Protozoa

Multiple Choice Quiz

Choose the best Answer


1	Which of the following designates a dermatophytic infection of the groin?
		A)	Tinea corporis
		B)	Tinea cruris
		C)	Tinea pedis
		D)	Tinea manuum
		E)	Tinea unguium


2	Histoplasmosis is an occupational disease among
		A)	home gardeners.
		B)	florists.
		C)	farmers.
		D)	spelunkers.
		E)	veterinarians.


3	Only ______ and humans demonstrate the disease and harbor the fungus causing histoplasmosis.
		A)	aphids
		B)	spider mites
		C)	rats
		D)	bats
		E)	cats


4	Of all the fungi that cause disease in compromised hosts, none are as widely distributed as which of the following species?
		A)	Aspergillus
		B)	Candida
		C)	Pneumocystis
		D)	Blastomyces
		E)	Coccidioses


5	What is true of the pathogenic Entomoeba E. histolytica, but not the nonpathogenic strain E. dispar?
		A)	Cyst production
		B)	Encystation
		C)	Trophozoite production
		D)	Production of cystein proteinases
		E)	Metacysts


6	Which of the following is NOT true about Cryptosproidium?
		A)	Caused the largest outbreak of waterborne illness in US history
		B)	A common intestinal parasite of many birds and animals
		C)	Excystation occurs within the small intestine
		D)	Extremely sensitive to disinfectants such as chlorine
		E)	Not easily removed by the sand filters used to produce drinking water


7	Which of the following was discovered by van Leeuwenhoek in the late 1600s when he examined his own stools?
		A)	Naegleria
		B)	Giardia
		C)	Pneumocystis
		D)	Cryptosporidium
		E)	Entamoeba


8	Which is responsible for causing primary amebic meningoencephalitis?
		A)	Naegleria
		B)	Giardia
		C)	Pneumocystis
		D)	Cryptosporidium
		E)	Entamoeba


9	The causative agent of malaria is a/an
		A)	amoeba.
		B)	Protozoa.
		C)	sporozoa.
		D)	flagellated protozoa.
		E)	mosquito.


10	The malarial parasite CANNOT grow and reproduce in individuals with sickle cell disease because
		A)	erythrocytes have a low oxygen binding capacity.
		B)	hemoglobin-S is only one amino acid different from hemoglobin-A.
		C)	the parasite has a very active aerobic metabolism.
		D)	All of the above.
		E)	None of the above.


11	Which of the following represents the form of Plasmodium that is released from the erythrocyte by lysis?
		A)	Trophozoite
		B)	Schizont
		C)	Merozoite
		D)	Macrogametocyte
		E)	Microgametocyte


12	When an infected _______ takes a human blood meal, it introduces flagellated promastigotes into the skin of the definitive host.
		A)	mosquito
		B)	deer tick
		C)	sand fly
		D)	deer fly
		E)	buffalo gnat


13	Which is a reservoir for the causative agent of trypanosomiasis?
		A)	Canines
		B)	Cattle
		C)	Rodents
		D)	Sand fly
		E)	Tsetse fly


14	Which is the intermediate host for the causative agent of trypanosomiasis?
		A)	Canines
		B)	Cattle
		C)	Rodents
		D)	Sand fly
		E)	Tsetse fly


15	The definitive host for the causative agent of toxoplasmosis is the
		A)	cat.
		B)	dog.
		C)	bird.
		D)	horse.
		E)	cow.

2002 McGraw-Hill Higher Education
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