Review Questions

Question 1

Articular processes of the Thoraicic vertebra lie mainly on the frontal plate, this allows ______ throughout the throacic spine

Answer 1

Spinal rotation

Question 2

Which vitamins facillitate absorption of calcium from the diet?

Answer 2

Vitamin D

Question 3

The primary ossification center is found _______.

Answer 3

Diaphysis

Question 4

Osteoblasts beneath the periosteum secrete bony matrix on the external bone well osteoclasts on the endosteal surface of the diaphysis removes bone, this describes

Answer 4

Appositional growth

Question 5

During the growth in length of a bone, which zone is the area of the epiphyseal growth plate in which the matrix becomes calcified cartilage dies and the matrix begins to deteriorate?

Answer 5

Calcification zone

Question 6

Hematopoietic tissue or red bone marrow is repsonsible for blood cell formation, where is this tissue in bone found?

Answer 6

Diploe of flat bone

Question 7

What are ligaments and tendons made out of?

Answer 7

Dense regular connective tissue

Question 8

An abrupt transition zone between the osteoid seam and the older mineralized bone is known as

Answer 8

Calcification front

Question 9

The outer collar of the intervertebral disc is called

Answer 9

Anulus fibrosus

Question 10

The arches of the foot allow us to ________ on the foot.

Answer 10

bear weight

Question 11

The epiphyseal plate is a joint classified as

Answer 11

Synchondrosis

Question 12

The following articular surface describes what type of synovial joint: rounded end of bone bone conforms to a ring of another bone

Answer 12

Pivot

Question 13

What filaments run the entire length of the A band?

Answer 13

Thick

Question 14

In the repolarization wave, the sarcolemma is said to be in its _______ state when the membrane potential has been restored.

Answer 14

Refractory Period

Question 15

When does Muscle contraction end?

Answer 15

When Ca+2 is pumped back into the SR

Question 16

In the NM junction, what directly causes the release of ACh?

Answer 16

The influx of the Ca+2 ions into the neuron

Question 17

During repolarization, ionic conditions of the sacrolemma are restored by

Answer 17

Mechanisms of the Na K pump

Question 18

The cross bridge cycle stages of skeletal muscle contraction can continue as long as

Answer 18

Ca+2 is present and

There is enough ATP

Question 19

Increasing the frequency of the stimulus being sent to the msucle fiber resulting in Ca2+ release that stimulates further contraction is known as

Answer 19

Temporal (wave) summation

Question 20

This states “motor units with larger and larger fibers are recruited as stimulus intensity increases

Answer 20

Size principle

Question 21

The theory that muscle contract “best” when they are 80% to their normal resting length is known as

Answer 21

Length-tension relationship

Question 22

In smooth muscle, pouch-like infoldings of the sarcolemma that contain calcium ions are known as

Answer 22

Caveolae

Question 23

Skeletal muscle that utilizes NM control for the nervous system control as opposed to smooth muscle that utilizes

Answer 23

Varicosities

Question 24

Smooth muscle does not have tropoin or tropomyosin instead it has

Answer 24

Calmodulin

Question 25

Protiens that anchor non contractile intermediate filaments to the sarcolemma and are found only in smooth muscle are

Answer 25

Dense bodies

Question 26

A Synergistic muscle that can immobilize a bone or muscle origin are known as

Answer 26

Fixator

Question 27

In lever systems, the fulcrum is always refferering to

Answer 27

The joint

Question 28

The third class lever system, like a bicep curl, places the effort between ….

Answer 28

the fulcrum and the load