Question

eyelashes, eyebrows, and hairs on the scalp are called ______ hairs.
glassy
lanugo
terminal
vellus
arrector pili

Explanation:

Terminal hairs are long, thick, and pigmented. Eyelashes, eyebrows, and scalp hairs fit this description. Glassy is not a hair - type term in this context. Lanugo is fine, unpigmented hair on fetuses. Vellus hairs are short, fine, and lightly pigmented, like most body hair. Arrector pili is a muscle associated with hair follicles, not a hair type.

Answer:

C. terminal