Core Concepts in Health, 9/e

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

Immunity and Infection

Chapter 17 Immunity and Infection

Multiple Choice


1	Which of the following barriers against pathogens does not include a chemical component?
		A)	skin
		B)	saliva
		C)	tears
		D)	vaginal secretions


2	Which of the following is not one of the links in the chain of infection?
		A)	pathogen
		B)	reservoir
		C)	means of transmission
		D)	antibody


3	Which of the following is not one of the common "portals of entry"?
		A)	skin penetration
		B)	inhalation
		C)	ingestion
		D)	injection


4	The immunological defender known as the "big eater" is
		A)	neutrophils.
		B)	lymphocytes.
		C)	macrophages.
		D)	T cells.


5	The type of lymphocyte that produces antibodies is a _______________ cell.
		A)	helper T
		B)	killer T
		C)	suppressor T
		D)	B


6	The second phase of the immune response is
		A)	recognition of the invading pathogen.
		B)	amplification of defenses.
		C)	attack.
		D)	slowdown.


7	The body's reaction to a pathogen that is generated by a vaccination is an
		A)	incubation period.
		B)	acquired immunity.
		C)	allergy.
		D)	anti-inflammatory reaction.


8	The smallest pathogens are
		A)	bacteria.
		B)	fungi.
		C)	viruses.
		D)	protozoa.


9	Mononucleosis is caused by which virus?
		A)	herpes
		B)	varicella-zoster
		C)	cytomegalovirus
		D)	Epstein-Barr


10	A good way to strengthen the immune system is to
		A)	use antihistamines regularly.
		B)	request annual antibiotic treatment.
		C)	manage stress effectively.
		D)	change to a low-fiber diet.

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