Which of the following statements is true?
A) In males, the hairs of the beard are vellus hairs.
B) Both vellus and terminal hairs are pigmented.
C) The majority of hair on the chest is vellus hair.
D) At puberty, much of the vellus hair is replaced with terminal hair.
E) Hair in the axillary region is vellus hair after puberty.

Question

Quizplus · Accepted Answer

At puberty, androgenic hormones stimulate the growth of terminal hair in areas such as the face, chest, and genital region, replacing much of the vellus hair in those areas. Therefore, choice D is the correct statement. Choice A is incorrect because terminal hairs make up the beard in males. Choice B is incorrect because vellus hairs are often unpigmented. Choice C is incorrect because the vast majority of hair on the chest is terminal hair in adult males. Choice E is incorrect because the axillary region contains terminal hair after puberty.

Which of the Following Statements Is True