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Integumentary System
Dr.Timothy Reichards Exam #1 For VET 117 *Integumentary system*
30
Veterinary Medicine
Not Applicable
03/24/2011

Additional Veterinary Medicine Flashcards

 


 

Cards

Term

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.


Definition
TRUE
Term
During the formation of the epidermis, the cells lose thier organelles and nuclei become filed with a product called ________
Definition
Keratin
Term
List four functions of the skin:
Definition

1. Vitamin D synthesis

2. Storage of nutrients

3. Moisturizing

4. Protection

Term
Name the 3 layers of the skin:
Definition

1. Epidermis

2. Dermis

3. Hypodermis

Term

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

Definition
D. All of the above
Term

True or False:

Dermal papillae help to cement the hypodermis to the dermis

Definition

This is False:

It helps cement the dermis to the epidermis

Term

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

Definition
B.) is not true becuase cells lose their nucleus and organelles as they move UP not downward
Term

Match the epidermal cell type with its definition:

__  Melanocytes          A.Macrophages

__Langerhans' cells     B. Formation of skin pigment

Definition

B. Melanocytes

A. Langerhan's cells

Term

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   

Definition
B. Langerhans' Cells are found in the Epidermis
Term
Which layer of the skin is used to make leather?
Definition
The Dermis
Term

True or False:

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

Definition
False
Term
Name the 3 types of pads on the front foot of the dog.
Definition

1. Digital

2. Carpal

3.Metacarpal

Term

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

 

Definition

1. Inguinal

2. Infraorbital

3. Interdigital

Term

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

Definition
D. Is not true
Term
Name 2 reasons  hair is essential for survival in many species of mammals_____
Definition

1. Regulates body temperature

2. Protects against elements

Term

True or False:

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

 

Definition

False:

Planum Nasolabiale refers only to horses and cows

Term
Name 2 functions of the arrector pili muscle:
Definition

1. Raises hair (makes cat appear bigger)

2. Forces sebum from sebaceous glands

Term

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

 

Definition
A.) They are found ALL over the dog and not just in certain places
Term

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

Definition
D.) All of the above
Term

True or False:

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

Definition
True
Term
Domestic livestock that are born horn free are called ________ breeds
Definition
Polled
Term
List 2 functions of claws
Definition

1. Protection

2. Climbing / Grip

Term

True or False:

Cattle, sheep and goats waslk on digits 3 & 4

Definition
True
Term
The single weight - bearing digit in the foot of the horse is the ____ digit
Definition
3rd
Term

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

Definition
C.) The hoof does not grow from the coronary band upwards
Term
Name 2 types of hair
Definition

1. Tactile

2. Primary

Term

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

Definition
D. None of the Above
Term

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

Definition
C. Horns are found on both males and females
Term

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

Definition
All are true
Term

True or False:

The american pronghorn sheds its horn annually?

Definition
False
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