Exam 3

Question 1

The cells that secrete the matrix of a bone are:

Answer 1

osteoblasts

Question 2

Where bones of the skeleton come together to form a joint is know as:

Answer 2

Articulation

Question 3

Cells responsible for remodeling bone are:

Answer 3

osteoclasts

Question 4

Cloven hoofed animals are weight bearing on which digits?

Answer 4

3 and 4

Question 5

The coffin bone of the horse is:

Answer 5

a phalanx

Question 6

Which of the following ligaments, in a dog, is most likely to rupture

Answer 6

Cranial cruciate ligament

Question 7

What is the name of the contractile unit of a muscle cell?

Answer 7

sacromere

Question 8

Myocytes require tremendous amount of ATP to do all the work! Which of the following statements is TRUE regarding the use of ATP

Answer 8

ATP is needed for both contraction and relaxation

Question 9

Mature bone cells communicate with one another via what structure?

Answer 9

canaliculi

Question 10

Bone is the primary storage site for what important mineral?

Answer 10

calcium

Question 11

Which one of the following is NOT and irregular bone?

Answer 11

tarsals

Question 12

Red bone marrow consists primarily of

Answer 12

hematopoietic tissue

Question 13

Where does the creation of new bone that allows long bones to lengthen as the animal grows take place?

Answer 13

epiphyseal plates

Question 14

How many thoracic vertebrae does a dog have

Answer 14

13

Question 15

Which facial bone forms the rostral part of the hard palate

Answer 15

maxillary

Question 16

What two bones form the zygomatic arch

Answer 16

zygomatic and temporal

Question 17

Which bones are responsible for warming and humidifying air before it reaches the lungs?

Answer 17

nasal turbinates

Question 18

What type of muscle controls the movement of an animal’s skeleton

Answer 18

Voluntary striated muscle

Question 19

Stretching the wall of the small intestines will result in

Answer 19

increased force of visceral smooth muscle contraction

Question 20

The two major sources of energy for normal muscle metabolism are

Answer 20

glucose and oxygen

Question 21

Which bone forms the brachium?

Answer 21

humerus

Question 22

What is the correct order of bones on the thoracic limb starting distally and working proximally?

Answer 22

phalanges, metacarpal bones, carpal bones, radius/ulna, humerus, scapula

Question 23

The olecranon process is found on what bone?

Answer 23

ulna

Question 24

Which of the following is a pivot joint?

Answer 24

Antlantoaxial joint

Question 25

Which bones fuse to make up the acetabulum

Answer 25

ilium, ischium, pubis

Question 26

Where is calcium stored in the myocyte?

Answer 26

sarcoplasmic reticulum

Question 27

The main weight-bearing bone of the distal thoracic limb is the

Answer 27

radius

Question 28

What two bones form the stifle joint?

Answer 28

femur and tibia

Question 29

The obturator foramina are found on the

Answer 29

pelvis

Question 30

In which species will you find an os penis?

Answer 30

canine

Question 31

The movement of an extremity toward the median plane of the boy is

Answer 31

adduction

Question 32

Where is oxygen stored in the myocyte?

Answer 32

myoglobin

Question 33

Which of the following is OT a component of the sarcomere?

Answer 33

myoglobin

Question 34

Hinge joints are capable of only two movements

Answer 34

extension and flexion

Question 35

The hock is made up of

Answer 35

tarsal bones

Question 36

The medial malleolus is found on what bone?

Answer 36

Tibia

Question 37

What ion must be present in the sarcoplasm for skeletal muscle cells to contract?

Answer 37

Ca+

Question 38

What neurotransmitter initiates contraction of skeletal muscle?

Answer 38

Acetylcholine

Question 39

Movement of an extremity away from the median plane is:

Answer 39

Abduction

Question 40

What structure transmits the electrochemical impulse from the sarcolemma to the sarcoplasmic retriculum?

Answer 40

T-tubules

Question 41

Cardiac muscle differs from skeletal muscle in microscopic appearance due to what?

Answer 41

Branching of muscle fibers

Question 42

Which of the following is true of smooth muscle cells?

Answer 42

spindle-shaped, non-striated

Question 43

What hormone prevents hypercalcemia in the blood?

Answer 43

Calcitonin

Question 44

What initiates the contraction impulse in cardiac cells?

Answer 44

the sinoatrial node

Question 45

What is the weight bearing bone in the proximal pelvic limb?

Answer 45

Femur

Question 46

On which bone would you find the greater tubercle?

Answer 46

Humerus

Question 47

The ungual process is found on what bone

Answer 47

Distal phalanx

Question 48

A 7 month old male German Shepard presents with lameness and pain when walking. The veterinarian suspects an un-united anconeal process and requests radiographs. What structure should you radiograph?

Answer 48

Elbow

Question 49

A 4 year old female Yorkie presents with intermittent (only sometimes present) lameness. The veterinarian suspects a medial luxating patella and requests radiographs. What structure should you radiograph?

Answer 49

Stifle

Question 50

Which of the following structures is present only in young, growing animals

Answer 50

Epiphyseal plates

Question 51

The cribriform plate is contained in the ____________ bone

Answer 51

ethmoid

Question 52

The manubrium is found

Answer 52

at the cranial end of the sternum

Question 53

The foramen magnum is located on the _____________bone

Answer 53

occipital

Question 54

The external acoustic meatus is located on the _________ bone

Answer 54

temporal

Question 55

The mandibular symphysis is what type of joint?

Answer 55

cartilagenous

Question 56

Which of the following best describes cardiac muscle?

Answer 56

involuntary striated muscle

Question 57

What hormones causes osseous release of calcium to prevent hypocalcemia?

Answer 57

Parathyroid Hormone

Question 58

Endochondral bone formation takes place in a fetus over a ________ template that is eventually replaced by bone

Answer 58

Cartilage

Question 59

What type of smooth muscle allows for the fine control for movements like adjusting the size of the pupil?

Answer 59

Multi-unit smooth muscle

Question 60

What acts as the Z lines for smooth muscle?

Answer 60

Dense bodies

Question 61

The knee of a horse is made of

Answer 61

Carpal bones

Question 62

Hematopoietic tissue is found in:

Answer 62

Red bone marrow

Question 63

What chemical is used to stop the activity of acetylcholine?

Answer 63

Acetylolinesterase

Question 64

What is the ultimate source of energy to make ATP

Answer 64

catabolism

Question 65

Which of the following tissue layers are continuous with tendons or aponeuroses?

Answer 65

all the above (endomysium, perimysium, epimysium)

Question 66

An increase in the angle of a joint is what kind of movement

Answer 66

extension

Question 67

Which of the following is true about myosin filaments?

Answer 67

They do not fully extend all the way from one Z to the next

Question 68

The insertion of a muscle:

Answer 68

Is the site that undergoes most of the movement during contraction

Question 69

Which bone holds all of the "cheek teeth"

Answer 69

Maxilla

Question 70

Know the ligaments and zones of the muscle