Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question

Question

The surface film on the skin helps:
Options
A Produce melanin
B Protect against bacteria
Correct Answer
C Synthesize keratin
D Excrete melanin
Correct Answer

Option B is the correct answer.

Detailed Explanation

The surface film (acid mantle) consists of sebum, sweat, and skin cell debris; its slightly acidic pH inhibits bacterial growth, providing antimicrobial protection.

Hint

Consider how the skin's natural barrier helps defend against microbes.

Question Info