Chapter 5 Quiz

The cells in the skin that store the most melanin granules are a. basal keratinocytes. b. melanocytes. c. tactile epithelial cells. d. dendritic cells.

a. basal keratinocytes.

The dermis is composed mainly of ________. a. connective tissue b. epithelial tissue c. muscular tissue d. nervous tissue

a. connective tissue

Which layer of the integument are toenails and fingernails derived from? a. epidermis b. hypodermis c. dermis

a. epidermis

If you were to have liposuction, you would have tissue removed from which layer? a. hypodermis b. dermis c. epidermis

a. hypodermis

Which tissue layer deep to the integument acts as a shock and thermal insulator? a. hypodermis b. epidermis c. dermis

a. hypodermis

The black part of a blackhead is a. oxidized sebum. b. excreted carbon. c. a growing hair stub. d. dirt.

a. oxidized sebum.

The lunule, which represents the thickest part of the nail matrix is found at the a. proximal part of the nail bed. b. eponychium. c. dermis around the nail. d. body of the nail.

a. proximal part of the nail bed.

An individual has spent too much time sun bathing. Not only is his skin painful to touch, but small blisters have appeared in the affected area. This indicates that he has damaged which layers? a. epidermis only b. epidermis and dermis c. epidermis and hypodermis d. hypodermis only

b. epidermis and dermis

Which structure is discussed with the integumentary system, but is truly not a part of it? a. nails b. hypodermis c. mammary glands d. hair

b. hypodermis

When you develop "goose bumps" on the skin, this is due to action of the a. friction b. sweat glands c. arrector pilli d. sebaceous glands

c. arrector pilli

Which of the following is a layer of skin that invaginates downward to form sebum-producing glands? a. dermis b. hypodermis c. epidermis

c. epidermis

The white half-moon visible under the proximal part of a fingernail is the a. nail body. b. eponychium c. lunula. d. cuticle.

c. lunula.

Sebaceous glands ________. a. may function in response to touch b. are a type of sweat gland c. release a watery solution of salt and metabolic waste d. are associated with hair follicles

d. are associated with hair follicles

Eccrine sweat glands ________. a. produce sebum b. act as a moisturizer c. are present on hair d. are present in the skin throughout the body and produce watery sweat

d. are present in the skin throughout the body and produce watery sweat

In general, skin cancers ________. a. are easily treatable and not a major health concern b. affect only the epidermis c. occur due to poor hygiene d. can be reduced by limiting exposure to the sun

d. can be reduced by limiting exposure to the sun

In the thick skin of the palm, the layer of the epidermis directly deep to the stratum corneum is the stratum a. basale. b. granulosum. c. spinosum. d. lucidum.

d. lucidum.

The epidermis is a ________ epithelium. a. simple cuboidal b. simple squamous c. stratified cuboidal d. simple columnar e. stratified columnar f. stratified squamous

f. stratified squamous