CMP Anatomy of Skin & Hair 2

Question 1

Which skin layer contains the Langerhans cells responsible for immune defense?

Accepted Answer

Stratum spinosum

Answer

Langerhans cells are dendritic immune cells found primarily in the stratum spinosum of the epidermis.

Question 2

The arrector pili muscle is attached to which part of the hair follicle?

Accepted Answer

Outer root sheath

Answer

The arrector pili muscle inserts into the outer root sheath of the hair follicle, causing goosebumps when it contracts.

Question 3

Which type of sweat gland is associated with hair follicles and produces a thicker, protein-rich secretion?

Accepted Answer

Apocrine glands

Answer

Apocrine glands are associated with hair follicles and secrete a thick fluid that bacteria break down to produce body odor.

Question 4

What is the name of the protein that makes up the majority of the hair shaft?

Accepted Answer

Keratin

Answer

Hair shafts are composed primarily of keratin, a fibrous structural protein arranged in alpha-helical chains.

Question 5

The dermal papillae interlock with which epidermal structure to strengthen the skin junction?

Accepted Answer

Epidermal rete ridges

Answer

Dermal papillae interdigitate with epidermal rete ridges, creating a wavy junction that resists shearing forces.

(CMP) Certified Master Pedicurist Practice Test