INTEGUMENTARY SYSTEM

Question 1

The largest organ of the body.

Answer 1

Skin

Question 2

Components of the common integument.

Answer 2

Skin, hair, claws, pads, skin glands

Question 3

Functions of the integumentary system.

Answer 3

Protection, sensory reception, secretion, Vitamin D synthesis, thermoregulation, reservoir

Question 4

The thin organ covering the body.

Answer 4

Skin

Question 5

Layers of the skin.

Answer 5

Epidermis, dermis, subcutis/hypodermis

Question 6

The most superficial layer of the skin.

Answer 6

Epidermis

Question 7

Histologic layers of the epidermis (from deep to superficial).

Answer 7

Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

Question 8

Fibrous protein in the stratum corneum.

Answer 8

Keratin

Question 9

Local increase in skin thickness due to trauma.

Answer 9

Callus

Question 10

The connective tissue bed in the skin.

Answer 10

Dermis

Question 11

Layers of the dermis.

Answer 11

Papillary layer, reticular layer

Question 12

Pigment cells in the stratum basale.

Answer 12

Melanocytes

Question 13

Absence of pigment in the skin.

Answer 13

Albinism

Question 14

The layer connecting skin to bones and muscles.

Answer 14

Hypodermis

Question 15

Layers of the hypodermis.

Answer 15

Superficial layer, deep layer

Question 16

Muscles associated with hair follicles.

Answer 16

Arrector pili muscles

Question 17

Examples of cutaneous muscles.

Answer 17

Sphincter colli, platysma, cutaneous trunci

Question 18

Plexuses involved in skin vascularization.

Answer 18

Subdermal plexus, cutaneous plexus, subpapillary plexus

Question 19

Structures included in the adnexa of the skin.

Answer 19

Hair, footpads, claws, sebaceous glands, sweat glands

Question 20

The hair type providing insulation and warming effect.

Answer 20

Wool hairs

Question 21

Major types of hair.

Answer 21

Guard hairs, wool hairs, tactile hairs

Question 22

The cause of gray hair.

Answer 22

Loss of pigments

Question 23

The cause of white hair.

Answer 23

Absence of pigment and presence of air in the shaft

Question 24

Type of hair follicle in dogs.

Answer 24

Compound follicles

Question 25

Type of hair follicle in cats.

Answer 25

Single follicle

Question 26

Types of pads in dogs.

Answer 26

Digital pads, carpal pad, metacarpal/metatarsal pad

Question 27

The oily substance produced by sebaceous glands.

Answer 27

Sebum

Question 28

Types of sebaceous glands in dogs.

Answer 28

Circumanal glands, anal sac glands, tail area glands, ceruminous glands, circumoral glands

Question 29

The sweat gland type predominant in humans.

Answer 29

Eccrine sweat glands

Question 30

The sweat gland type predominant in domestic species.

Answer 30

Apocrine sweat glands

Question 31

The mammary gland secretion in the first few days after parturition.

Answer 31

Colostrum

Question 32

Inflammation of the mammary gland.

Answer 32

Mastitis

Question 33

The structure formed from the modification of the epidermis, composed of keratin, and involved in traction.

Answer 33

Claw

Question 34

The accessory digit.

Answer 34

Dewclaw