Ch. 10 Muscles

Question 1

Prefix means arm

Answer 1

Brachi-

Question 2

Prefix means tongue

Answer 2

Gloss-

Question 3

Prefix means stalk, or stylus

Answer 3

Stylo-

Question 4

Prefix means short

Answer 4

Brevi-

Question 5

Prefix means partial, or half

Answer 5

Semi

Question 6

The muscle extending from the arm to the lateral forearm is the ?

Answer 6

Brachioradialis

Question 7

The muscle name literally meaning below the tongue is ?

Answer 7

hypoglossus

Question 8

The muscle connecting the hyoid bone to the styloid process of the temporal bone is the ?

Answer 8

stylohyoid

Question 9

The shorter of the muscles over the fibula is the ?

Answer 9

Peroneus brevis

Question 10

The hamstring that becomes tendinous midway along its length is the ?

Answer 10

Semitendinosus

Question 11

Your patient has been referred to a physical therapist because of chronic low back pain. Which of these muscle groups would you expect the therapist to target most?

1) Pectorals
2) Rhomboids
3) Quadriceps
4) Abdominals

Answer 11

Abdominals

Because the erector spinae muscles are relatively small and ill-equipped for the job of keeping the spine erect, the abdominal muscles play an important role in supporting the spine.

Question 12

You awaken with a “stiff neck,” which causes pain when you turn your head or flex your neck. Which muscle is LEAST likely to be causing the problem?

1) Splenius capitis
2) Platysma
3) Sternocleidomastoid
4) Trapezius

Answer 12

Platysma

a thin, flat muscle on the anterior neck. Its main role is to tense the skin of the neck, earning it a starring role in razor commercials and the nickname of the “shaving muscle.”

Question 13

Your elderly patient recovering from knee replacement surgery doesn’t understand why she has to do rehabilitation of the muscles around her knee. How would you explain it to her?

1) “We don’t want to risk you getting a blood clot in the knee area.”
2) “You’ve been off your feet for awhile and we want to make sure you exercise to build your stamina back up.”
3) “The large muscle groups that surround the knee are just as important as the bones in making sure your knee is stable. You need to strengthen them to support your new knee.”
4) “We need to make sure the replacement holds up to your knee moving.”

Answer 13

“The large muscle groups that surround the knee are just as important as the bones in making sure your knee is stable. You need to strengthen them to support your new knee.”

Question 14

Used to show you’re happy

Answer 14

Zygomaticus

Question 15

Used to suck in your cheeks

Answer 15

Buccinator

Question 16

Used in winking

Answer 16

Orbicularis oculi

Question 17

Wrinkles the forehead horizontally

Answer 17

Frontalis

Question 18

The “kissing” muscle

Answer 18

Orbicularis oris

Question 19

Prime mover of jaw closure

Answer 19

Masseter

Question 20

Synergist muscle for jaw closure

Answer 20

Temporalis

Question 21

Prime mover of head flexion; a two-headed muscle

Answer 21

Sternocleidomastoid

Question 22

Prime mover for shoulder flexion and adduction

Answer 22

Pectoralis major

Question 23

Prime mover for shoulder abduction

Answer 23

Deltoid

Question 24

Acting alone, each muscle of this pair turns the head toward the opposite shoulder

Answer 24

Sternocleidomastoid

Question 25

Deep muscles of the thorax that promote the inspiratory phase of breathing

Answer 25

External intercostal

Question 26

Muscle that allows you to shrug your shoulders or extend your head

Answer 26

Trapezius

Question 27

Muscle that adducts the shoulder and causes extension of the shoulder joint

Answer 27

Latissimus dorsi

Question 28

Prime mover of back extension; a deep composite muscle consisting of three columns

Answer 28

Erector spinae

Question 29

Fleshy muscle forming part of the posterior abdominal wall that helps maintain upright posture

Answer 29

Quadratus lumborum

Question 30

Used to extend hip when climbing stairs

Answer 30

Gluteus maximus

Question 31

Inverts and dorsiflexes the foot

Answer 31

Tibialis anterior

Question 32

Straplike muscle that is a weak thigh flexor; the "tailor's muscle"

Answer 32

Sartorius

Question 33

Wrist flexor that follows the ulna

Answer 33

Flexor carpi ulnaris

Question 34

Muscle that extends the fingers

Answer 34

Extensor digitorum

Question 35

Muscle that flexes the fingers

Answer 35

Flexor digitorum superficialis

Question 36

Muscle that allows you to bend (flex) the elbow

Answer 36

Biceps brachii

Question 37

Muscle that extends the elbow

Answer 37

Triceps brachii

Question 38

Most flexor muscles are located on the ___ aspect of the body.

Answer 38

Anterior

Question 39

The extrinsic muscles of the hand originate on the ___.

Answer 39

Forearm

Question 40

The triceps surae (gastrocnemius and soleus) insert in common into the ___ tendon.

Answer 40

Calcaneal

Question 41

Most extensors are located on the ___ aspect of the body.

Answer 41

Posterior

Question 42

The bulk of the tissue of a muscle tends to lie ___ to the part of the body that it moves.

Answer 42

Proximal

Question 43

Head muscles that insert on a bone include: 1) Zygomaticus 2) Masseter 3) Buccinator 4) Temporalis

Answer 43

All of them

Question 44

Lateral flexion of the torso invloves: 1) Erector spinae 2) Rectus abdominis 3) Quadratus lumborum 4) External oblique

Answer 44

Erector spinae, Quadratus lumborum, & External oblique

Question 45

A muscle that assists the muscle primarily responsible for a given action is a(n) _______.

Answer 45

Synergist

Question 46

A muscle whose name ends in the suffix -glossus would be found attached to the _______.

Answer 46

Tongue

Question 47

Straight muscles, with fibers that run parallel to an imaginary line such as the long axis of the body, are called _______.

Answer 47

Rectus

Question 48

The muscular wall of the abdomen is composed of _______.

Answer 48

External oblique and rectus muscles

Question 49

The major abductor muscle of the upper arm is the _______.

Answer 49

Deltoid

Question 50

The attachment site of a muscle’s tendon to the more-movable bone is called the _______.

Answer 50

Insertion

Question 51

The extensor digitorum muscle is an example of a _______ muscle.

Answer 51

Pennate

Question 52

The masseter is innervated by the ? nerve.

Answer 52

Trigeminal

Question 53

The _______ nerve innervates all of the extrinsic tongue muscles.

Answer 53

Hypoglossal

Question 54

Which of the following muscles aids inspiration by lifting the first two ribs? 1) Rectus abdominis 2) Scalenes 3) Diaphragm 4) Internal intercostals

Answer 54

Scalenes

Question 55

Which muscle flexes and rotates the lumbar region of the vertebral column?

Answer 55

Rectus abdominis

Question 56

The ? is a synergist of the triceps brachii in forearm extension.

Answer 56

Anconeus

Question 57

What muscle adducts the the fingers and wrist?

Answer 57

Flexor carpi ulnaris

Question 58

The prime mover for flexion of the thigh is the ? muscle.

Answer 58

Iliopsoas

Question 59

The ? nerve innervates the sartorius.

Answer 59

Femoral

Question 60

The _______ is the prime mover of dorsiflexion of the foot.

Answer 60

Tibialis anterior

Question 61

Shin splints are caused by inflammation of the anterior compartment muscles such as the ?

Answer 61

Tibialis anterior