Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question

Question

The stratum corneum is composed of:
Options
A Living keratinocytes
B Flattened dead keratinocytes (corneocytes)
Correct Answer
C Melanocytes
D Sweat glands
Correct Answer

Option B is the correct answer.

Detailed Explanation

The stratum corneum (horny layer) consists of corneocytes — flattened, dead keratinocytes that are continually worn away or shed. This layer provides the primary barrier function of the skin.

Hint

This outermost layer is composed of dead, flattened cells.

Question Info