Cosmetology Test Anatomy and Physiology 4

Question 1

Which structure in the hair follicle is responsible for hair pigmentation?

Accepted Answer

Melanocytes in the bulb matrix

Answer

Melanocytes located in the hair bulb matrix inject melanin into developing hair cortex cells, determining hair color.

Question 2

Eccrine sweat glands are distributed over most of the body and primarily function to:

Accepted Answer

Regulate body temperature through evaporative cooling

Answer

Eccrine glands secrete a watery sweat that evaporates to dissipate body heat, helping maintain core temperature.

Question 3

The occipital bone of the skull forms which part of the head?

Accepted Answer

Back and base of the skull

Answer

The occipital bone forms the posterior and inferior portion of the cranium, including the foramen magnum.

Question 4

Which phase of the hair growth cycle involves active cell division and hair elongation?

Accepted Answer

Anagen

Answer

The anagen phase is the active growth phase during which hair matrix cells divide rapidly and hair grows in length.

Question 5

The frontalis muscle primarily causes:

Accepted Answer

Elevation of the eyebrows and wrinkling of the forehead

Answer

The frontalis elevates the eyebrows and creates horizontal forehead wrinkles when contracted.

Cosmetology Test Practice Test