Chapter 5 Review

2013

• 1. The two major components of the integument are:

• A. The cutaneous membrane and the accessory structures

• B. The epidermis and the hypodermis• C. The hair and the nails• D. The dermis and the subcutaneous layer.

• 2. The fibrous protein that forms the basic structural component of hair and nails is

• A. Collagen• B. Melanin• C. Elastin• D. Keratin

• 3. The two types of exocrine glands in the skin are

• A. Merocrine and seat glands• B . Sebaceous and sweat glands• C. Apocrine and sweat glands.• D. Eccrine and sweat glands

• 4. All of the following are accessory structures of the integumentary system except

• A. Nails• B. Dermal papillae• C. Hair• D. Sweat glands

• 5. Sweat glands that communicate with hair follicles in the armpits and produce an odorous secretion are

• A. Apocrine glands• B. Merocrine glands• C. Sebaceous glands• D. A,B,and C are correct

• 6. The reason older persons are more sensitive to sun exposure and more likely to get sunburned is that with age

• A. Melanocyte activity declines• B. Vitamin D3 production declines• C. Glandular activity declines• D. Skin thickness decreases.

• 7. In the elderly,, blood supply to the dermis is reduced and sweat glands are less active. This combination of factors would most affect

• A. The ability to thermoregulate• B. The ability to heal injured skin• C. The ease with which the skin is injured. • D. The physical characteristics of the skin• E. The ability to grow hair.

• 8. Cutaneous membrane• A. Epidermal layer of flattened and dead cells• B. Epidermal layer containing stem cells.• C. Skin• D. Pigment cells.

• 9. Carotene• A. Cyanosis• B. Brown pigment• C. Orange-yellow pigment• D. Pink-red pigment

• 10. Melanocytes• A. Bone cells• B. Cartilage cells• C. Dermal cells• D. Pigment cells.

• 11. Stratum basale• A. Dermal layer of cells• B. Epidermal layer containing stem cells.• C. Epidermal layer of flattened and dead cells• D. Hypodermal layer of adipose cells.

• 12. Stratum Corneum• A. Dermal layer of cells• B. Epidermal layer of cells containing stem

cells• C. Hypodermal layer of cells containing

adipose cells.• D. Epidermal layer of flattened dead cells.

• 13. Bluish skin• A. Halotosis• B. Comatosis• C. Cyanosis• D. acidosis

• 14. Sebaceous glands• A. Produce carbohydrates• B. Produce oils• C. Produce waxes• D. Produce milk

15.What is the structure at #1?

A. EpidermisB. DermisC. HypodermisD. Subcutaneous

1

2

16.What is the structure at #2?

A. DermisB. Sebaceous glandC. Arrector pilli muscleD. Hair follicle

3

17.What is the structure at #3?

A. Hair follicleB. Sebaceous glandC. Sweat glandD. nociceptor

4

18.What is the layer at #4?

A. DermisB. EpidermisC. HypodermisD. Adipose

5

19.What is the structure at #5?

A. Sweat glandB. Ceruminous glandC. Hair glandD. Lacrimal gland.

• 20. A small amount of ultraviolet radiation is beneficial because it____?

• A. Increases blood flow in the dermis• B. Stimulation the synthesis of photoreceptor

pigments in the eye.• C. Constricts blood vessels in the dermis• D. Stimulates vitamin D3synthesis in the epidermis• E. Adjust overall gland secretion rates in the body.