Deck 11: Integumentary System

Question 1

Which of the following is NOT true of the stratum corneum?

A)It is only present in thick skin.
B)The cells of the stratum corneum are dead.
C)It consists of several layers of keratinized cells.
D)It is the outermost layer of the epidermis.
E)All of these are true of the stratum corneum.

Answer 1

A

Question 2

The hypodermis is considered to be a true layer of the skin.

Answer 2

False

Question 3

Which of the following types of glands secretes an oily substance into the hair follicles, to keep the hair and skin surface lubricated and water-resistant?

A)Apocrine sweat glands
B)Eccrine sweat glands
C)Sudoriferous glands
D)Sebaceous glands
E)Ceruminous glands

Answer 3

D

Question 4

What is the deepest layer of the epidermis in which the cells are beginning to flatten and accumulate keratin?

A)Stratum lucidum
B)Stratum spinosum
C)Stratum corneum
D)Stratum granulosum
E)Stratum basale

Question 5

The lunula of a nail has a whitish appearance, because it is covered by a thick region of the nail bed, which hides the color of the underlying blood.

Question 6

Most of the accessory structures of the skin are found in the dermis.

Question 7

The reticular region of the dermis consists of ________ tissue.

A)areolar connective
B)dense regular connective
C)dense irregular connective
D)adipose
E)stratified squamous epithelial

Question 8

Which of the following is NOT considered to be a type of skin (cutaneous)gland?

A)Apocrine sweat glands
B)Sebaceous glands
C)Mammary glands
D)Ceruminous glands
E)All of these are considered to be a type of skin (cutaneous)gland.

Question 9

Which layer of the skin is found directly superficial to the hypodermis?

A)Stratum basale
B)Reticular region of the dermis
C)Stratum granulosum
D)Stratum spinosum
E)Papillary region of the dermis

Question 10

Apocrine sweat glands have an insignificant role in thermoregulation.

Question 11

Which of the following is NOT true of nail structure?

A)Cell division occurs in the cuticle.
B)The nail plate consists of the nail root, and nail body, and the free edge.
C)The nail bed consists of cells of the stratum basale.
D)The nail plate consists of dead cells of the stratum corneum.
E)All of these are true of nail structure.

Question 12

Which structure of the hair follicle supplies the capillaries that provide the growing hair with oxygen and nutrients?

A)Hair papilla
B)Hair root
C)Hair shaft
D)Hair matrix
E)Hair bulb

Question 13

What is/are the stimulus(-i)for contraction of the arrector pili muscles?

A)Low blood pH
B)Dry skin
C)Cold temperature or fear
D)Hot temperature
E)Hot temperature or fear

Question 14

All of the following structures are considered to be accessory structures of the skin, except

A)hair follicles.
B)sweat glands.
C)nails.
D)sebaceous glands.
E)All of these are considered to be accessory structures of the skin.

Question 15

Which of the following is NOT true of the epidermis?

A)It consists of stratified squamous epithelium.
B)In some areas of the body, it consists of 5 strata, while in others, it consists of 4 strata.
C)It is the more superficial of the major skin layers.
D)Some of the sweat glands and hair follicles lie entirely within the epidermis.
E)All of these are true of the epidermis.

Question 16

Which of the following is NOT true of the stratum basale?

A)It contains melanocytes.
B)It is the deepest layer of the epidermis.
C)It consists of only one layer of cuboidal or columnar cells.
D)It is the layer of the epidermis in which cell division is occurring.
E)All of these are true of the stratum basale.

Question 17

Which of the following is NOT true of merocrine sweat glands?

A)They are also called eccrine sweat glands.
B)Their ducts open into hair follicles.
C)They cool the body through evaporation in response to stress and exercise.
D)They excrete water, salt, and nitrogen wastes from the body.
E)All of these are true of merocrine sweat glands.

Question 18

From your observations of skin slides, it can be seen that the epidermis is a much thicker layer than the dermis.

Question 19

Sweat glands are also called sudoriferous glands.

Question 20

All of the following structures are considered parts of the integumentary system, except

A)the skin.
B)skin glands.
C)hair.
D)nails.
E)All of these are parts of the integumentary system.