05 - Integument - Glands

Components of sweat include everything except:

• Water

• Sodium chloride

• Sebum

• Ammonia

Find the false statement concerning vitamin D

• Dark-skinned people make no vitamin D.

• If vitamin D production is inadequate, one may develop weak bones

• If the skin is not exposed to sunlight, one may develop weak bones

• Vitamin D is needed for the uptake of calcium from food in the intestine

All of the following is true concerning oil production in the skin, except:

• Oil is produced by sudoriferous glands

• Secretion of oil is via the holocrine mode

• The secretion is called sebum

• Oil is usually secreted onto hair follicles

The glands that serve an important function in thermoregulation

• Stratum corneum

• Stratum germinativum

• Sudoriferous glands

• Vellus hairs

• Dermal papillae

The secretion which lubricates and inhibits the growth of bacteria on the skin is called:

• Sweat

• Ceruminous

• Sebum

• Melanin

The sweat glands that communicate with hair follicles are called:

• Apocrine

• Ceruminous

• Sebaceous

• Eccrine

Ceruminous glands are modified sweat glands located in the:

• Reticular layer of the epidermis

• Stratum spinosum of the epidermis

• Nasal passageways

• Ear canal

____ sweat glands are widely distributed across the body surface, _____ glands are located wherever hair follicles exist, and ____ sweat glands are found only in the axillary and groin region.

• Sebaceous; merocrine; apocrine

• Apocrine; merocrine; sebaceous

• Merocrine; sebaceous; apocrine

• Merocrine; apocrine; sebaceous

• Apocrine; sebaceous; merocrine

The primary purpose of sensible perspiration is

• The heat internal body organs

• To heat the skin

• Evaporative cooling

• To get rid of body wastes

• To elevate body temperature

The two types of sudoriferous glands vary in distribution over the surface of the body. Which of the following is correct:

• Eccrine are the most numerous, being found primarily in the axillary regions

• Apocrine glands are larger than Eccrine, and empty secretions directly to the surface of the skin

• Ceruminous glands secrete cerumen, which is thought to repel insects

• Two answers are correct