Module 3 Ch 7&8 Test Answers

Question 1

A single motor neuron with all the muscle cells it innervates is called a

Answer 1

Motor unit

Question 2

What part of the body does the sartorius have

Answer 2

Lower extremities

Question 3

If an injury is damaged to the insertion of the biceps brachii muscle the injury would be Nearest

Answer 3

The elbow

Question 4

This is a quick jerky response to a stimulus seen in isolated muscles but is not important in normal muscle activity

Answer 4

Twitch contraction

Question 5

A fluid filled sac that acts as a lubricating structure for muscle movement is

Answer 5

Bursae

Question 6

What part of the body does the sternocleidomastoid move

Answer 6

Head and neck

Question 7

The loose connective tissue outside the muscle organs that forms flexible sticky packing material between the muscle, bones and skin is called

Answer 7

Fascia

Question 8

What part of the body does the masseter move

Answer 8

Head and neck

Question 9

The muscle contracts and shortens and the insertion end moves toward the point of origin

Answer 9

Isotonic contraction

Question 10

Which of the following systems do NOT play a role in body movement

Answer 10

Urinary

Question 11

Tonic contractions

Answer 11

Do not shorten the muscle and are important in maintaining posture

Question 12

What part of the body does the zygomaticus move

Answer 12

Head and neck

Question 13

Striations are found in

Answer 13

Both skeletal and cardiac muscle

Question 14

Going from superior to inferior, the regions of the spine would be in which order?

Answer 14

Cervical, thoracic, lumbar, sacrum, coccyx

Question 15

A bone that may develop in a tendon is called a

Answer 15

Sesamoid bone

Question 16

Which bone is not part of the axial skeleton

Answer 16

Carpal bone

Question 17

Which of the following is not a function of the skeletal system

Answer 17

Nerve impulse conduction

Question 18

The bones of the spine are examples of

Answer 18

An irregular bone

Question 19

Which of the following increases the angle of a joint?

Answer 19

Extension

Question 20

A person who works daily with a heavy load on his right arm would expect to have

Answer 20

Denser bones in the right arm and shoulder

Question 21

Ribs that attach individually to the sternum by way of the costal cartilage are

Answer 21

True ribs

Question 22

The wrist bone is an example of

Answer 22

Short bone

Question 23

Which of the following is not a type of bone?

Answer 23

Round

Question 24

The upper jaw bone is called the

Answer 24

Maxilla

Question 25

Moving part of the body toward the middle line of the body is

Answer 25

Adduction