Practice Quiz from Skeletal and Muscle Systems

Question 1

The most caudal of the sternabra

Answer 1

xiphoid process

Question 2

The “pacemaker” of the heart is the sinoatrial node located in the wall of the

Answer 2

right atrium

Question 3

____refers to either extremity of a long bone.

Answer 3

CHECK

Question 4

makes up the hooks

Answer 4

CHECK

Question 5

The contracting unit of a skeletal muscle is the

Answer 5

sarcomere

Question 6

___is the second of the cervical vertebrae.

Answer 6

the axis

Question 7

___a mature bone cell

Answer 7

osteocyte

Question 8

Believed to be the vestigial remnants of carpal and tarsal bones or extra toes possessed by ancestors of the modern horse.

Answer 8

ergots

Question 9

____dense or cortical bone.

Answer 9

Compact bone

Question 10

Cardiac muscle is classified as

Answer 10

involuntary striated muscle

Question 11

Joint 12 of the cow

Answer 11

CHECK

Question 12

identify vertebrae, region of the cow

Answer 12

CHECK

Question 13

_____ refers to either extremity of a long bone.

Answer 13

epiphysis

Question 14

____ area dorsal to the scapulas.

Answer 14

withers

Question 15

In muscle the source of a phosphate molecule needed to recharge an ADP molecule to an ATP molecule is

Answer 15

creatine phosphate

Question 16

Believed to be the vestigial remnants of metacarpal and metatarsal pads located behind the fetlocks of all equids.

Answer 16

ergots

Question 17

spongy bone

Answer 17

cancellous

Question 18

cylindrical shaft of a long bone.

Answer 18

diaphysis

Question 19

The internal abdominal oblique muscle is partially named based on

Answer 19

the direction its fibers run

Question 20

A skeletal muscle that contracts at the same time as the prime mover muscle and assists in carrying out the prime mover’s action is a/an

Answer 20

synergist

Question 21

When skeletal muscle contracts, which site undergoes the greatest movement?

Answer 21

insertion of the muscle

Question 22

Which motor unit would an animal most likely use to move its eyeball?

Answer 22

1 nerve fiber, 2 muscle fibers

Question 23

The outermost connective tissue layer of a muscle is the

Answer 23

epimysium

Question 24

_In young animals is filled with red bone marrow.

Answer 24

Medullary cavity

Question 25

The most cranial of the sternebrae

Answer 25

manubrium

Question 26

where is the dens located?

Answer 26

atlas

Question 27

largest foramen in the body.

Answer 27

CHECK

Question 28

identify bone 15 in the cow

Answer 28

CHECK

Question 29

shoulder blade.

Answer 29

scapula

Question 30

_calcaneus bone projects upward and backward to form this area.

Answer 30

CHECK

Question 31

the knee is ___ to the foot

Answer 31

CHECK

Question 32

Groups of cardiac muscle cells adapt their contraction rate to

Answer 32

the contraction rate of the fastest cell.

Question 33

_____ splint bones in a horse in forelegs

Answer 33

2nd and 4th metacarpals

Question 34

The average muscle fiber contraction cycle lasts about

Answer 34

0.1 second

Question 35

______also called the coffin bone.

Answer 35

distal phalanx

Question 36

T-bone steak from these vertebrae

Answer 36

CHECK

Question 37

____ fibrous membrane that lines the marrow cavity.

Answer 37

endosteum

Question 38

also called the distal sesamoid bone.

Answer 38

navicular bone

Question 39

The all-or-nothing principle of muscle physiology refers to

Answer 39

CHECK the contraction of a muscle fiber

Question 40

The three bones uniting at the acetabulum

Answer 40

ilium, ischium, and pubis.

Question 41

Type of cartilage found in the external ear and in the epiglottis

Answer 41

elastic

Question 42

The triceps brachii muscle is partially named based on

Answer 42

its location

Question 43

How many cervical vertebra are in a manatee

Answer 43

6

Question 44

The ______________ _______________ is a pair of large holes in the pelvis located on either side of the pelvic symphysis.

Answer 44

obturator symphysis

Question 45

connects bone to bone.

Answer 45

ligament

Question 46

The goat's knee is ____________ to its hoof.

Answer 46

proximal CHECK

Question 47

Sloth has ________ (a number) Cervical vertebrae.

Answer 47

5-6 CHECK

Question 48

___ and ____ are two main minerals making up bone.

Answer 48

Ca, P CHECK

Question 49

makes up the pins.

Answer 49

ischium? CHECK

Question 50

The skull, vertebrae, ribs, sternum make up this major skeleton part _____________.

Answer 50

CHECK

Question 51

vertebrae in the rump region.

Answer 51

CHECK