Textbook Question
Identify at least one physical factor and one chemical factor that prevent microbes from entering the body through each of the following:
a. urinary system
b. genital system
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19. Innate Immunity
First-Line Defenses: Chemical Barriers
Multiple Choice
All of the following are chemical defenses against microbial infection except which of these answers?
A
Bodily environments with acidic pH to inhibit microbial growth or kill microbes.
B
Synchronized movement of mucus and microbes within the mucus out of the body.
C
Bodily fluids containing digestive enzymes to degrade invading microbes.
D
Positively charged amino acid chains that destroy cell membranes of invading microbes.
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