Integumentary System

Question 1

What are the 3 layers of skin?

Answer 1

Epidermis, Dermis, Hypodermis/Subcutaneous

Question 2

Which skin layer is described?

• Keratinized Stratified Squamous Epithelium
• Without hair contains five layers
• With hair contains three layers

Answer 2

Epidermis

Question 3

What four cells make up the epidermis?

Answer 3

Keratinocytes, Melanocytes, Langerhans, Merkel

Question 4

Which skin layer is described?

-Contains hair follicles, nerve endings, glands, smooth muscle, lymph and blood nodes

Answer 4

Dermis

Question 5

What are the three cells that make up the dermis?

Answer 5

Fibroblasts, Adipocytes, Macrophages

Question 6

What is the structure between the dermis and epidermis that cements them together called?

Answer 6

Dermil Papilla

Question 7

Which skin layer is described?

• Composed of loose areolar tissue
• Location of SQ injections

Answer 7

Hypodermis/Subcutaneous

Question 8

What is the process called that describes when a cell expires and travels to the superficial layers, loses its nuclei, and its organelles fill with keratin?

Answer 8

Keratinization

Question 9

Which type of gland is described?

• Secretes oil
• Located in the dermis
• Used for trapping moisture, softening hair, reduces friction, and waterproofs

Answer 9

Sebaceous Glands

Question 10

Which type of gland is described?

• Secretes water
• Found everywhere
• Helps cool the body

Answer 10

Sweat Glands

Question 11

What two factors stimulate contraction of the arrector pilli muscle?

Answer 11

Frighten, Cold

Question 12

What is the function of the arrector pilli muscle?

Answer 12

• Warm up the body (trapping air between skins and hairs)

- Seem Larger to predators

Question 13

What type of hair contains sensory endings, which make it unique?

Answer 13

Tactile hairs

Question 14

What are tactile hairs commonly called?

Answer 14

Whiskers

Question 15

Why is the hypodermis important in veterinary medicine?

Answer 15

Vaccination Insertion Site

Question 16

Which bone is amputated completely when a cat is declawed?

Answer 16

Distal phalanx

Question 17

Where are chestnuts found on horses?

Answer 17

Medial Carpus and Tarsus

Question 18

Where are ergots found on horses?

Answer 18

Buried in Caudal Hairs of Fetlock

Question 19

What is the main difference between antlers and horns?

Answer 19

Horns are made of keratin and do not completely shed every year

Question 20

When dehorning an animal, this structure must be destroyed on the horn to prevent further growth

Answer 20

Corium

Question 21

In adult horned animals, the horn is hollow and communicates directly with what sinus?

Answer 21

Frontal

Question 22

What is “papillae”?

Answer 22

Elevations

Question 23

What does polydactyl mean?

Answer 23

Extra Digit(s)

Question 24

What does “ungula” mean?

Answer 24

Hoof

Question 25

What does "unguis" mean?

Answer 25

Nail