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Microbiology : with diseases by body system

Robert W. Bauman

Chapter 15

InnateImmunity - all with Video Answers

Educators

Section 1

Multiple Choice

00:45

Problem 1

Phagocytes of the epidermis are called
a. microglia.
b. goblet cells.
c. alveolar macrophages.
d. dendritic cells.

Lara Gossage
Lara Gossage
Numerade Educator
01:31

Problem 2

Gamma interferon is produced by
a. activated T lymphocytes.
b. natural killer lymphocytes.
c. erythrocytes.
d. options a and b

Lara Gossage
Lara Gossage
Numerade Educator
02:18

Problem 3

The complement system involves
a. the production of antigens and antibodies.
b. serum proteins involved in nonspecific defense.
c. a set of genes that distinguish foreign cells from body cells.
d. the elimination of undigested remnants of microorganisms.

Lara Gossage
Lara Gossage
Numerade Educator
02:39

Problem 4

The alternative complement activation pathway involves
a. factors B, D, and P.
b. the cleavage of C5 to form C9.
c. binding to mannose sugar.
d. recognition of antigens bound to specific antibodies.

Lara Gossage
Lara Gossage
Numerade Educator
00:52

Problem 5

Complement must be inactivated because if it were not,
a. viruses could continue to multiply inside host cells using the host’s own metabolic machinery.
b. necessary interferons would not be produced.
c. protein synthesis would be inhibited, thus halting important cell processes.
d. it could make holes in the body’s own cells.

Aadit Sharma
Aadit Sharma
Numerade Educator
01:31

Problem 6

The type of interferon present late in an infection is
a. alpha interferon.
b. beta interferon.
c. gamma interferon.
d. delta interferon.

Lara Gossage
Lara Gossage
Numerade Educator
01:31

Problem 7

Haematopoiesis in the bone marrow results in the formation of
a. erythrocytes.
b. platelets.
c. leukocytes.
d. all of the above

Cody Delk
Cody Delk
Numerade Educator
01:55

Problem 8

Which of the following is not targeted by a Toll-like receptor?
a. lipid A
b. eukaryotic flagellar
protein
c. single-stranded RNA
d. lipoteichoic acid

Lara Gossage
Lara Gossage
Numerade Educator
04:57

Problem 9

Toll-like receptors (TLRs) act to
a. bind microbial proteins and polysaccharides.
b. induce phagocytosis.
c. cause phagocytic chemotaxis.
d. destroy microbial cells.

Lara Gossage
Lara Gossage
Numerade Educator
03:24

Problem 10

Which of the following binds iron?
a. lactoferrin
b. siderophores
c. transferrin
d. all of the above

Lara Gossage
Lara Gossage
Numerade Educator