Unit 2 Part 2 Review

Question 1

accommodation

Answer 1

The ability to focus on objects at different distances.

Question 2

auditory ossicles

Answer 2

The three small bones of the middle ear.

Question 3

BAER

Answer 3

(brainstem auditory evoked response) A hearing test.

Question 4

bolting

Answer 4

Swallowing food in large chunks without chewing.

Question 5

brachycephalic

Answer 5

A short-nosed skull structure.

Question 6

ch’i

Answer 6

Known as the energy of the body.

Question 7

choroid

Answer 7

Layer of blood vessels nourishing the retina in the eye.

Question 8

cilia

Answer 8

Hairlike filaments extending from olfactory cells into the nasal cavity.

Question 9

ciliary body

Answer 9

Structure in the eye connecting the iris to the sclera.

Question 10

cochlea

Answer 10

Snail-shaped structure of the ear that converts sound vibrations to nerve impulses.

Question 11

cones

Answer 11

Photoreceptors responsible for seeing color.

Question 12

cornea

Answer 12

The transparent covering at the front of the eye.

Question 13

cropping

Answer 13

Surgical alteration of the dog’s ears.

Question 14

dermis

Answer 14

Deeper layer of skin containing the hair follicles and glands.

Question 15

dolicocephalic

Answer 15

Long-nosed skull structure.

Question 16

ear flap

Answer 16

Outer visible portion of the ear that’s also called the leather or pinna.

Question 17

ectropion

Answer 17

Sagging outward of the eyelid.

Question 18

entropion

Answer 18

Rolling in of the eyelid, bringing the eyelashes in contact with the eyeball.

Question 19

epidermis

Answer 19

Outer layer of skin.

Question 20

flea-bite dermatitis

Answer 20

Skin irritation caused by reaction to flea bites.

Question 21

flicker fusion

Answer 21

The point at which flickering light, such as from a television, appears to be constant.

Question 22

fly-bite dermatitis

Answer 22

Skin problem resulting from fly bites to the tips of the ears.

Question 23

fovea

Answer 23

Area of the retina in humans with a high concentration of photoreceptors.

Question 24

ganglion cells (ganglia)

Answer 24

Cells that transmit information from the photoreceptors to the brain.

Question 25

goblet cells

Answer 25

Cells within the mucous membrane of the nose that produce a dark brownish fluid to keep the nasal cavity moist.

Question 26

guard hairs

Answer 26

Thick outer hairs of the haircoat.

Question 27

haw

Answer 27

Third eyelid of the dog.

Question 28

hematoma

Answer 28

Pool of blood caused by a rupture of a blood vessel.

Question 29

hertz

Answer 29

Measurement of sound, in cycles per second.

Question 30

iris

Answer 30

Muscle that regulates the amount of light entering the eye.

Question 31

lick granuloma

Answer 31

Skin irritation resulting from the dog’s chewing and licking.

Question 32

melanins

Answer 32

Pigments providing color to hair.

Question 33

nasal plane

Answer 33

The visible exterior hairless part of the nose.

Question 34

nuclear sclerosis

Answer 34

Aging of the lens of the eye.

Question 35

olfactory lobe

Answer 35

Structure within the brain dedicated to processing scent

Question 36

otitis

Answer 36

Inflammation of the ear.

Question 37

progressive retinal atrophy (PRA)

Answer 37

Hereditary disorder of the retina in which the light-sensing cells die.

Question 38

retina

Answer 38

Layer of the eye holding the light-sensing rods and cones.

Question 39

rods

Answer 39

Photoreceptors responsible for seeing light.

Question 40

sclera

Answer 40

The outer layer of the eye.

Question 41

sebaceous glands

Answer 41

Glands within the skin which secrete oils to help keep the haircoat waterproof.

Question 42

semicircular canals

Answer 42

Small tubes within the ear responsible for balance.

Question 43

sinuses

Answer 43

Hollows in the bones of the head.

Question 44

social facilitation

Answer 44

The tendency of canines to live, hunt, eat, and peform other activities in groups.

Question 45

subcutis

Answer 45

Deepest layer of skin.

Question 46

tapetum lucidum

Answer 46

Reflective layer at the back of the eye.

Question 47

turbinates

Answer 47

Bony structures within the nasal cavity.

Question 48

undercoat

Answer 48

Softer woollier hairs lying under the guard hairs.

Question 49

vibrissae

Answer 49

Whiskers, specialized to serve as sensors.

Question 50

visual perspective

Answer 50

The dog’s point of view.

Question 51

visual streak

Answer 51

Oval section of the dog’s retina where photoreceptors are concentrated.

Question 52

vomeronasal organ

Answer 52

Structure in the floor of the dog’s nose responsible for reacting to sex pheromones and for “smelling” underwater.