Test 2

Question 1

Vision

Answer 1

2

Question 2

Smell

Answer 2

1

Question 3

Cells that support neurons structurally and functionally are called:

Answer 3

neuroglia

Question 4

Neurons that release norepinephrine

Answer 4

Adrenergic

Question 5

Neurons that release acetylcholine

Answer 5

Cholinergic

Question 6

The part of the brain that separates the capillaries in the brain from the nervous tissue itself:

Answer 6

Blood brain barrier

Question 7

A reflex arc commonly used to assess the depth of anesthesia is:

Answer 7

pupillary light reflex

Question 8

Damage to this part of the brain can result in rapid death.

Answer 8

Brain stem

Question 9

Sensations from the gastrointestinal tract are provided by this nerve:

Answer 9

CN X, vagus

Question 10

The part of the nervous system that controls involuntary nervous system functions is the:

Answer 10

autonomic nervous system

Question 11

Increased heart rate and force of contraction are the result of stimulating:

Answer 11

beta2-adrenergic receptors in the heart

Question 12

During repolarization:

Answer 12

potassium ions move out of the cell

Question 13

When you pet a dog, which receptors send a sensation from the skin to the dog’s brain?

Answer 13

afferent

Question 14

The gray matter of the spinal cord contains:

Answer 14

neuron cell bodies

Question 15

The part of the brain responsible for learning, intelligence, and awareness (“higher-order” functions) is:

Answer 15

Cerebrum

Question 16

This structure contains a T-shaped cartilage, and its inner surface has lymph nodules and an accessory lacrimal gland.

Answer 16

third eyelid

Question 17

Most of the structures responsible for hearing are housed in this bone:

Answer 17

Temporal

Question 18

Visceral sensations can originate in (3)

Answer 18

1.

Question 19

This structure is responsible for most of the focusing (distance & close-up) work of the eye.

Answer 19

Cornea

Question 20

This ring-shaped structure immediately behind the iris contains muscles that adjust the shape of the lens:

Answer 20

ciliary body

Question 21

Nociceptors are not found in this organ:

Answer 21

Brain

Question 22

This structure is responsible for most of the refractive work of the eye:

Answer 22

Cornea

Question 23

Modulation of a painful nerve impulse occurs in the:

Answer 23

Spinal cord

Question 24

Both smell & taste sensations respond to this type of stimulus:

Answer 24

Chemical

Question 25

Visceral sensations respond to this type of stimulus:

Answer 25

Mechanical

Question 26

Taste buds are found here:

Answer 26

on the tongue and in the lining of the mouth and throat

Question 27

Rising amounts of this hormone in the blood cause the anterior pituitary to produce less and less follicle-stimulating hormone (FSH).

Answer 27

estrogen

Question 28

Calcium plays an important role in (3)

Answer 28

1.

Question 29

This hormone stimulates strong uterine contractions in the uterus at the time of parturition:

Answer 29

oxytocin

Question 30

Secretin and cholecystokinin are produced by the:

Answer 30

cells lining the small intestine

Question 31

These hormones help to maintain blood pressure, resist effects of stress, cause blood glucose to rise, and are also known as steroids:

Answer 31

glucocorticoids

Question 32

In most animals, ovulation occurs when this hormone reaches its peak:

Answer 32

luteinizing hormone (LH)

Question 33

The pancreas produces insulin, which functions to:

Answer 33

lower blood levels of glucose

Question 34

Calcitonin

Answer 34

functions to prevent hypercalcemia

Question 35

This hormone helps trigger and maintain lactation:

Answer 35

Prolactin

Question 36

The pituitary gland is also known as the:

Answer 36

hypophysis

Question 37

Two other hormones in addition to glucagon that function to raise blood sugar levels are:

Answer 37

growth hormones and glucocorticoids

Question 38

The target for epinephrine and norepinephrine is:

Answer 38

whole body

Question 39

Growth hormone causes:

Answer 39

protein anabolism

Question 40

Hormone secretion is usually controlled by _____ systems.

Answer 40

Negative feedback

Question 41

Which element is vital to the production and function of hemoglobin?

Answer 41

Iron

Question 42

When is the best time to make a smear of a blood sample?

Answer 42

as soon as possible after the sample is drawn

Question 43

What is the transport plasma protein that picks up hemoglobin in the blood and takes it to the liver?

Answer 43

haptoglobin

Question 44

Which leukocyte is involved in antibody production and cellular immunity?

Answer 44

lymphocyte

Question 45

The three granulocytes are

Answer 45

1. eosinophils 2 .neutrophils 3. basophils

Question 46

Which test is the percentage of RBC in the total blood volume?

Answer 46

PCV

Question 47

What are the largest leukocytes in an animal’s circulation?

Answer 47

monocytes

Question 48

What is the parent cell of the platelet?

Answer 48

megakaryocyte

Question 49

What happens to iron in an erythrocyte that undergoes extravascular hemolysis?

Answer 49

It is transported to the red bone marrow.

Question 50

Which cell does not phagocytize foreign material?

Answer 50

lymphocytes

Question 51

The process of coating invading microorganisms with specific antibodies that help neutrophils phagocytize them is called:

Answer 51

opsonization

Question 52

What makes plasma yellow?

Answer 52

bilirubin

Question 53

What makes erythrocytes red?

Answer 53

hemoglobin

Question 54

Which part of the immune system targets specific organisms, but is slower to respond?

Answer 54

Adaptive

Question 55

Which organ has white pulp (localized areas of lymphoid tissue) and red pulp (blood vessels, tissue macrophages, and blood storage spaces)?

Answer 55

Spleen

Question 56

The lymph nodes located behind the knee (stifle joint) are called:

Answer 56

popliteal

Question 57

Nodules of lymphoid tissue that are not covered with a capsule are called:

Answer 57

tonsils