Multiple Choice Quiz


1	Which receptors of the influenza virus are responsible for binding to the host cell?
		A)	hemagglutinin
		B)	neuraminidase
		C)	Type A
		D)	capsid proteins


2	The primary site of attack in influenza is the
		A)	small intestine
		B)	respiratory epithelium
		C)	skin
		D)	meninges


3	Infections with ______ virus causes the development of multinucleate giant cells.
		A)	rabies
		B)	influenza
		C)	pneumo
		D)	corona


4	Which virus is responsible for Korean hemorrhagic fever?
		A)	Ebola virus
		B)	hantavirus
		C)	arenavirus
		D)	flavivirus


5	For which disease is a exanthem (skin rash) not a symptom?
		A)	measles
		B)	rubella
		C)	Coxsackievirus infection
		D)	parainfluenza


6	A common, highly diagnostic sign of measles is
		A)	viremia
		B)	red rash
		C)	sore throat
		D)	Koplik's spots


7	______ is a life-threatening disease in infants caused by ______.
		A)	Mumps, morbillivirus
		B)	Croup, respiratory syncytial virus
		C)	Encephalitis, calicivirus
		D)	Hairy-cell leukemia, HTLV II


8	Rabies virus has an average incubation period of
		A)	2 to 3 weeks
		B)	1 to 2 years
		C)	4 to 5 days
		D)	1 to 2 months


9	For which disease are active and passive immunization given simultaneously?
		A)	influenza
		B)	yellow fever
		C)	measles
		D)	rabies


10	What property of the retroviruses enables them to integrate into the host genome?
		A)	the RNA they carry
		B)	presence of glycoprotein receptors
		C)	presence of reverse transcriptase
		D)	a positive-sense genome


11	Which of the following cells is a target of HIV infection?
		A)	dendritic cells
		B)	monocytes
		C)	helper T cells
		D)	all of these can support infection


12	Which of the following conditions is not associated with AIDS?
		A)	Pneumocystis carinii pneumonia
		B)	Kaposi's sarcoma
		C)	dementia
		D)	adult T-cell leukemia


13	Polio and hepatitis A viruses are ______viruses.
		A)	arbo
		B)	enteric
		C)	cold
		D)	syncytial


14	Rhinoviruses are the most common cause of
		A)	conjunctivitis
		B)	gastroenteritis
		C)	hand-foot-mouth disease
		D)	the common cold


15	Which of the following is not a characteristic of the agents of spongiform encephalopathies?
		A)	highly resistant
		B)	associated with tangled protein fibers in the brain
		C)	are naked fragments of RNA
		D)	are chronic

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