Integumentary System Test Honors

Shafts of hair are composed of

• living epidermal cells.

• living dermal cells.

• dead dermal cells.

• dead epidermal cells.

Melanocytes synthesize melanin, which protects underlying cells from the effects of ultraviolet light.

• True

• False.

Stem cells divide within the stratum basale.

• True

• False.

Sudoriferous (sweat) glands are categorized as two distinct types. Which of the following are the two types of sweat glands?

• holocrine and mammary

• mammary and ceruminous

• sebaceous and merocrine

• eccrine and apocrine

Which of the following terms refers to fine hairs grown on the fetus?

• intermediate

• terminal

• vellus

• lanugo

• vernix

The reason the hypodermis acts as a shock absorber is that ________.

• the cells that make up the hypodermis secrete a protective mucus

• the major part of its makeup is adipose, which serves as an effective shock absorber

• it is located just below the epidermis and protects the dermis from shock

• it has no delicate nerve endings and can therefore absorb more shock

The secretion of which of the following glands, in conjunction with bacteria, caused body odor?

• Sudoriferous

• Eccrine

• Apocrine

• Sebaceous

A surgeon opens her patient by cutting the integument parallel to the cleavage lines of the dermis (tension lines). This will result in ________.

• faster healing of the skin and less scaring

• slowed healing and greater scaring

• less chance for infection

• greater chance of infection

A woman undergoes a skin graft for a 3rd-degree burn where a piece of her skin is removed from her buttocks and inner thigh and attached to the area of the burn. This is an example of a/an

• allograft

• xenograft

• isograft

• autograft

Burns are devastating and debilitating because of loss of fluids and electrolytes from the body. How do physicians estimate the extent of burn damage associated with such dangerous fluid loss?

• by observing the tissues that are usually moist

• by using the "rule of nines"

• through blood analysis

• by measuring urinary output and fluid intake