41) Why are injections administered in the hypodermis when administering drugs using a hypodermic needle?

A) There is an abundance of capillaries in the hypodermis.

B) The hypodermis is highly innervated.

C) There are no vital organs in the region.

D) Both elastic fibers and collagen fibers are present.

E) The presence of blood vessels and lymphatic vessels help local tissues defend and repair themselves.

42) Shafts of hair are comprised of

A) living keratinized dermal cells.

B) dead keratinized dermal cells.

C) keratinized adipose cells.

D) living keratinized epidermal cells.

E) dead keratinized epidermal cells.

43) The walls of each hair follicle contain all the cell layers found in which of the following?

A) hypodermis

B) dermis

C) subcutaneous layer

D) epidermis

E) basement membrane

44) Hair is formed by the repeated divisions of epithelial stem cells in which structure?

A) hair root

B) cuticle of the hair

C) medulla of the hair

D) cortex of the hair

E) hair matrix

45) When the arrector pili muscles contract,

A) “goose bumps” are formed.

B) hairs are shed.

C) sweat is released from sweat glands.

D) shivering occurs.

E) the skin changes color.

46) Glands that are located in the passageway of the external ear are called ________ glands.

A) ceruminous

B) apocrine sweat

C) sebaceous

D) merocrine sweat

E) mammary

47) The condition that results from clogged sebaceous glands is

A) a boil.

B) a carbuncle.

C) acne.

D) a blister.

E) a freckle.

48) The glands that begin discharging a sticky, cloudy, and potentially odorous secretion at puberty are called ________ glands.

A) ceruminous

B) mucous

C) apocrine

D) sebaceous

E) merocrine

49) Modified and specialized sweat glands that produce milk are called ________ glands.

A) ceruminous

B) apocrine sweat

C) sebaceous

D) merocrine sweat

E) mammary

50) The lipid in oil glands is released through which type of secretion?

A) eccrine

B) apocrine

C) merocrine

D) endocrine

E) holocrine