True or False:

The integumentary system is continuous with the mucous membranes that line the mouth, anus and nostrils and has a remarkable ability to heal.

1. Vitamin D synthesis

2. Storage of nutrients

3. Moisturizing

4. Protection

1. Epidermis

2. Dermis

3. Hypodermis

Which of the follwing is true?

A) The epidermis forms an outer waterproof shield and is avascular

B) The dermis contrains blood vessels & provides structural strength to the skin

C) The hypodermis is composed primarily of adipose tissue & acts as a thermoregulator and a shock absorber.

D) All of the above are true

True or False:

Dermal papillae help to cement the hypodermis to the dermis

This is False:

It helps cement the dermis to the epidermis

Which of the following is NOT a true statement:

A.) Stratum germinativium or stratum basale is the deepest layer and the primary layer for cell division

B.) Cells lose their nucleus and organelles as they move downward from the stratum corneum to the stratum basale

C) In the stratum corneum, the outer thickest layer, contains dead, paper thin keratinocytes.

D) Melanocytes are found in the deepest epidermal layers

Match the epidermal cell type with its definition:

__  Melanocytes          A.Macrophages

__Langerhans' cells     B. Formation of skin pigment

B. Melanocytes

A. Langerhan's cells

Which is not found in the Dermis:

A. hair folicles         

B. Langerhans' cells

C. Glands                 

D. Blood Vessels      

E. Smooth Muscle   

F.All of the Above   

True or False:

The epidermis is important because it permits the skin to move freely over underlying bone and muscle.

1. Digital

2. Carpal

3.Metacarpal

Name the 3 cutaneous pouches found in sheep or describe their location

1. Inguinal

2. Infraorbital

3. Interdigital

Which of the following is not true about pigmentation of the skin?

A.) Pigmenet, melanin, is produced by melanocytes in the deep epidermal layers

B.) The melanin protects keratocytes from damaging ultraviolet rays

C.) As animals age melanin production decreases and hair turns gray

D.) Abnormal changes in the genetic programming of melanocytes can induce a deadly form of skin cancer called squamous cell carcinoma

1. Regulates body temperature

2. Protects against elements

True or False:

Planum nasolabiale is another name for the top of the nose in cats, dogs, pigs and sheep.

False:

Planum Nasolabiale refers only to horses and cows

1. Raises hair (makes cat appear bigger)

2. Forces sebum from sebaceous glands

Which of the following are not true about sebaceous glands in the dog?

A.) They are found only in certain places like the paw pads and the nose.

B.) Most have a single duct that empties into a hair folicle

C.) Sebum has some antibacterial and antifungal properties

D.) These glands are located in the dermis

Which of the following is not true regarding anal sacs in the dog and the cat?

A.) Are located at 5 & 7 o'clock positions relative to the anus

B.) Are lined with aprocrine and sebaceous glands and act as a reservoir for secretions produced by the glands

C.) Duct sac can become clogged and the sac infected

D.) All of the above

True or False:

Dewclaws are remains of digits, that in the course of evolution, are undergoing regression

1. Protection

2. Climbing / Grip

True or False:

Cattle, sheep and goats waslk on digits 3 & 4

Which is not true about the horse hoof?

A.) Rests on underlying sensetive tissue called corium

B.) Corium is firmly attached to periosteum of the distal phalanx, rich with blood vessels and well innervated

C.) The hoof grows from the coronary band upward

D.) Hoof growth is continuous

1. Tactile

2. Primary

The thin strip found at the junction of the sole and the hoof wall is called:

A.Quarters

B. Collateral sulcus

C. Black Line

D. None of the Above

Which is not true about horns?

A.) are epidermal in origin and are structually similar to hair

B.) Grow continuously through animals life

C.) Are found only on males

D.) Grow from bone called corneal process which is an outgrowth of the frontal bone

Which is true about antlers?

A.)  Except for reindeer or caribou are found primarily on males.

B.) Arise as bony protuberances from the skull

C.) They grow and shed annually

D.) All Are true

True or False:

The american pronghorn sheds its horn annually?