Course

Microbiology

Study Pack

Set 19 Innate Host Defenses Against Microbial Invasion

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Question 1

(Multiple Choice)

Free
What are toll-like receptors (TLRs)?

A)PAMPs found in invertebrates.
B)PAMPs found in vertebrates.
C)PRRs found in vertebrates and invertebrates.
D)PRRs found only in vertebrates.
E)PAMPs found in vertebrates and invertebrates.

Answer

Question 2

(Multiple Choice)

Free
Which of the following is NOT a natural defense barrier against infection of the small intestine?

A)large numbers of resident microbes
B)bile salts
C)peristalsis
D)mucus
E)antimicrobial peptides

Answer

Question 3

(Multiple Choice)

Free
Pathogen associated molecular patterns (PAMPs)are molecular signatures of microbes that are easily recognized by a host as being of foreign origin.Which of the following is NOT an example of a PAMP?

A)lipopolysaccharide
B)membrane-associated ETS protein
C)lipid A
D)teichoic acid
E)mannose of yeast cell walls

Answer