Core Concepts in Health Brief, 9/e

Paul M. Insel, Stanford University, School of Medicine
Walton T. Roth, Stanford University, School of Medicine

Immunity and Infection

Multiple Choice Quiz

Please answer all questions


1	An organism that causes disease is a(an):
		A)	allergen.
		B)	pathogen.
		C)	viral agent.
		D)	parasite.


2	The release of histamines causes:
		A)	infection.
		B)	illness.
		C)	contamination.
		D)	inflammation.


3	A reaction by the body's immune system to a harmless substance such as dust is:
		A)	acquired immunity.
		B)	an antigen.
		C)	an allergy.
		D)	a vector.


4	Antibiotics are most effective against:
		A)	bacteria.
		B)	parasites.
		C)	viruses.
		D)	colds.


5	The most common forms of contagious disease are caused by:
		A)	bacteria.
		B)	protozoa.
		C)	T cells.
		D)	viruses.


6	In untreated HIV infection, the average amount of time between the initial infection and the onset of symptoms is:
		A)	1 year.
		B)	6 years.
		C)	11 years.
		D)	16 years.


7	Which of the following STDs is often asymptomatic among women?
		A)	chlamydia
		B)	gonorrhea
		C)	hepatitis B
		D)	all of the above


8	Which antibiotic is recommended to treat gonorrhea?
		A)	penicillin.
		B)	tetracycline.
		C)	new, expensive antibiotics.
		D)	all of the above.


9	The leading cause of infertility among young women is:
		A)	human papillomavirus.
		B)	HIV infection.
		C)	syphilis.
		D)	pelvic inflammatory disease.


10	Unlike HIV, hepatitis B is often transmitted through:
		A)	sexual intercourse.
		B)	nonsexual close contact.
		C)	injection drug use.
		D)	contact during childbirth.

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