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Chapter 01: Highlights of the Innate and Adaptive Immune Systems
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MULTIPLE CHOICE
1. The―father‖ofimmunologyisgenerallyconsideredtobe
a. Koch.
b. Pasteur.
c. Gram.
d. Salk.
ANS: B
Louis Pasteur is generallyconsidered to be the ―father of immunology.‖
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DIF: Cognitive Level: I
2. An early form of immunization was practiced bythe
a. Romans.
b. Greeks.
c. Chinese.
d. Native Americans.
ANS: C
Beginning about 1000 AD, the Chinese practiced a form of immunization byinhaling dried
powd ers derived from the crusts of smallpox lesions.
DIF: Cognitive Level: I
3. A specific function of the immune system is to
a. recognize self from nonself.
b. defend the body against nonself.
c. amplifyspecific functions.
d. Both A and B.
ANS: D
The function of the immune system is to recognize self from nonself and defend the body a
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gainst nonself. Such a system is necessary for survival. The immune system also has nons
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pecific effect or mechanisms that usually amplify the specific functions. Nonspecific comp
onents of the immu ne system include mononuclear phagocytes, polymorphonuclear leukoc
ytes, and soluble factors (e.g., complement).
DIF: Cognitive Level: I
4. An undesirable consequence of immunity is
a. natural resistance.
b. acquired resistance to infectious diseases.
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c. an autoimmune disorder.
d. recoveryfrom infectious disease.
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ANS: C
The desirable consequences of immunity include natural resistance, recovery, and acquired
resis tance to infectious diseases. A deficiencyor dysfunction of the immune system can
cau se many di sorders. Undesirable consequences of immunity include allergy, rejection
of a tr ansplanted orga n, or an autoimmune disorder.
DIF: Cognitive Level: I
5. The immune system has various distinctive characteristics except;
a. specificity.
b. memory.
c. mobility.
d. noncooperation among different cells.
ANS: D
The immune system is composed of a large, complex set of widely distributed elements,
wit h the distinctive characteristics of specificity, memory, mobility, replicability, and
cooperati on among different cells or cellular products. Specificity and memory are
characteristics of lymphocytes in the immune system. Nonspecific elements of the immune
system demonstrate mobility. In additi on, specific and nonspecific cellular components of
the immune system can replicate. Cooperatio n is required for optimal functioning, and
interaction involves spe cific cellular elements, cell pro ducts, and nonlymphoid elements.
DIF: Cognitive Level: I
6. Hematopoiesis occurs in the yolk sac during the
a. immediate hours after conception
b. second month of gestation.
c. second trimester of gestation.
d. periods of severe anemia in children.
ANS: A