Course

Introductory Biology

Study Pack

Set 34 The Immune System

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Question 1

(Multiple Choice)

Free
Physical and chemical barriers that form the first line of innate defense include

A) the acidity of the stomach.
B) tear fluid from the eye.
C) an unpunctured skin.
D) mucus and cilia of the respiratory tract.
E) All of the answer choices are correct.

Answer

Question 2

(Multiple Choice)

Free
To select mutant mice with stronger innate immunity,you might look for ones with greater concentrations of

A) histamine.
B) complement proteins.
C) interleukin.
D) interferon.
E) epinephrine.

Answer

Question 3

(Multiple Choice)

Free
Which can be a target of autoimmune disease but is not considered to be a major part of the immune system itself?

A) thymus
B) bone marrow
C) spleen
D) pancreas
E) lymph node

Answer