Course

Microbiology

Study Pack

Set 21 Respiratory System Infections

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Question 1

(Multiple Choice)

Free
The eyes are protected from infection by

A)the washing action of the tears and eyelids.
B)the chemical action of lysozyme.
C)the use of contact lenses.
D)the dryness of the eye surface.
E)the washing action of the tears and eyelids AND the chemical action of lysozyme.

Answer

Question 2

(Multiple Choice)

Free
The rhinovirus contains

A)single-stranded RNA.
B)double-stranded RNA.
C)double-stranded DNA.
D)multiple pieces of single-stranded DNA.

Answer

Question 3

(Multiple Choice)

Free
Diphtheria toxin works on

A)lysosomes.
B)mitochondria.
C)chloroplasts.
D)elongation factor 2.

Answer