Deck 6: Integumentary System

Question 1

On a footpad, which layer of skin is the thickest?

A) stratum corneum
B) stratum germinativum
C) stratum granulosum
D) stratum lucidum

Answer 1

stratum corneum

Question 2

Which layer of skin allows it to move freely over underlying bone and muscle without tearing?

A) dermis
B) epidermis
C) hyperdermis
D) hypodermis

Answer 2

hypodermis

Question 3

The cells thought to aid in the sense of touch are

A) keratinocytes.
B) Langerhans cells.
C) melanocytes.
D) Merkel cells.

Answer 3

Merkel cells.

Question 4

In which species of animal would you find a planum nasolabiale?

A) canine
B) equine
C) feline
D) porcine

Question 5

The majority of cells found in the skin are

A) keratinocytes.
B) Langerhans cells.
C) melanocytes.
D) Merkel cells.

Question 6

The nose of a white cat is especially susceptible to

A) basal cell tumor.
B) malignant melanoma.
C) Merkel cell carcinoma.
D) squamous cell carcinoma.

Question 7

Tylotrich hairs are important in the perception of

A) heat.
B) light.
C) pain.
D) touch.

Question 8

The pigment found in skin is produced by

A) keratinocytes.
B) Langerhans cells.
C) melanocytes.
D) Merkel cells.

Question 9

Pacinian corpuscles are important in the perception of

A) heat.
B) light.
C) pain.
D) touch.

Question 10

One of the most common benign tumors of cats is

A) basal cell tumor.
B) malignant melanoma.
C) Merkel cell carcinoma.
D) squamous cell carcinoma.

Question 11

Which dark, horny structures are found buried in the long, caudal hairs of equine fetlocks?

A) chestnuts
B) dewclaws
C) ergots
D) metacarpal pads

Question 12

One of the most common skin tumors in dogs over the age of 5 is

A) basal cell tumor.
B) malignant melanoma.
C) Merkel cell carcinoma.
D) squamous cell carcinoma.

Question 13

The old gray mare is especially susceptible to

A) basal cell tumor.
B) malignant melanoma.
C) Merkel cell carcinoma.
D) squamous cell carcinoma.

Question 14

Infraorbital, interdigital, and inguinal pouches are found in what species of animal?

A) bovine
B) caprine
C) equine
D) ovine

Question 15

The macrophages of the epidermis are the

A) keratinocytes.
B) Langerhans cells.
C) melanocytes.
D) Merkel cells.

Question 16

Which layer of epidermis is most actively involved in replacing exfoliated skin cells?

A) basal layer
B) clear layer
C) granular layer
D) spiny layer

Question 17

Meissner's corpuscle is important in the perception of

A) heat.
B) hemorrhage.
C) light.
D) touch.

Question 18

The part of a hair that is buried within skin is the

A) follicle.
B) papilla.
C) root.
D) shaft.

Question 19

The most common site for malignant melanoma in dogs and cats is the

A) anal region.
B) ear canal.
C) inguinal region.
D) oral cavity.

Question 20

The thickest layer of the epidermis is the

A) clear layer.
B) granular layer.
C) horny layer.
D) spiny layer.

Question 21

Another name for a blackhead is

A) comedone.
B) commissure.
C) condom.
D) corium.

Question 22

The tail gland is located on the __ surface of the tail.

A) caudal
B) dorsal
C) lateral
D) ventral

Question 23

Where would you look for anal sacs in a cat?

A) at 1 and 7 o'clock positions around the anus
B) at 12 and 6 o'clock positions around the anus
C) at 5 and 11 o'clock positions around the anus
D) at 5 and 7 o'clock positions around the anus

Question 24

In which species of animal does sebum eventually become lanolin?

A) bovine
B) caprine
C) feline
D) ovine

Question 25

Which animals have tail glands that help them identify individual animals?

A) cats and goats
B) dogs and cats
C) goats and sheep
D) sheep and dogs

Question 26

Hooves grow from the

A) coronary band.
B) coronary groove.
C) periople.
D) white line.

Question 27

The sensitive tissue of both claws and hooves is the

A) corium.
B) frog.
C) periosteum.
D) sole.

Question 28

The outermost layer of a hair is the

A) cortex.
B) cuticle.
C) medulla.
D) melanin.

Question 29

The invagination of epidermis in which a hair is anchored is the

A) follicle.
B) matrix.
C) papilla.
D) root.

Question 30

Which species of animal produces enough sweat to turn into a white froth?

A) bovine
B) canine
C) equine
D) porcine

Question 31

How many hairs are found in an average hair follicle?

A) 1
B) 10
C) 15
D) 3

Question 32

As an animal ages and its hair turns white, the medulla becomes filled with

A) air.
B) fat.
C) melanin.
D) water.

Question 33

A sudoriferous gland is also known as a/an

A) anal gland.
B) sebaceous gland.
C) sweat gland.
D) tail gland.

Question 34

Which one of the following animals can retract its claws.

A) cat
B) dog
C) polar bear
D) raccoon

Question 35

The white, semiliquid mixture released by sebaceous glands is called

A) sebolith.
B) sebum.
C) semen.
D) serum.

Question 36

The implantation angle of a hair is increased when the

A) arrector pili muscle contracts.
B) arrector pili muscle relaxes.
C) erector pili muscle contracts.
D) erector pili muscle relaxes.

Question 37

Another name for a hoofed animal is an

A) uncinate.
B) underate.
C) undulate.
D) ungulate.

Question 38

The lateral aspects of an equine hoof wall are called

A) heels.
B) quarters.
C) soles.
D) toes.

Question 39

Whiskers are also known as __ hairs.

A) guard
B) satellite
C) tactile
D) wool-type

Question 40

In a compound follicle a primary hair is also known as a __ hair.

A) guard
B) satellite
C) sinus
D) tactile

Question 41

The junction of the sole and hoof wall in an equine hoof is called the

A) black line.
B) red line.
C) white line.
D) yellow line.

Question 42

Horns emerge from the horn processes of the __ bones.

A) frontal
B) maxillary
C) occipital
D) temporal

Question 43

Horns are bound to the horn process by

A) areolar connective tissue.
B) muscles.
C) periosteum.
D) tendons.

Question 44

Horns are composed of

A) bone.
B) dense, irregular connective tissue.
C) dense, regular connective tissue.
D) keratin.

Question 45

Antlers are composed of

A) bone.
B) cartilage.
C) hair.
D) keratin.