Skeletal muscles

Question 1

1. Which of the following is unique to the muscles of facial expression?
   They all originate from the scalp musculature.
   They insert onto the cartilage found around the face.
   They only insert onto the facial bones.
   They insert into the skin.

Answer 1

They insert into the skin.

Question 2

2. Which of the following helps an agonist work?

a synergist
a fixator
an insertion
an antagonist

Answer 2

a synergist

Question 3

. Which of the following statements is correct about what happens during flexion?
The angle between bones is increased.

The angle between bones is decreased.

The bone moves away from the body.

The bone moves toward the center of the body.

Answer 3

The angle between bones is decreased.

Question 4

4. Which is moved the least during muscle contraction?
the origin
the insertion
the ligaments
the joints

Answer 4

the origin

Question 5

5. Which muscle has a convergent pattern of fascicles?
biceps brachii
gluteus maximus
pectoralis major
rectus femoris

Answer 5

pectoralis major

Question 6

6. A muscle that has a pattern of fascicles running along the long axis of the muscle has which of the following fascicle arrangements?
circular
pennate
parallel
rectus

Answer 6

parallel

Question 7

7. Which arrangement best describes a bipennate muscle?

The muscle fibers feed in on an angle to a long tendon from both sides.

The muscle fibers feed in on an angle to a long tendon from all directions.

The muscle fibers feed in on an angle to a long tendon from one side.

The muscle fibers on one side of a tendon feed into it at a certain angle and muscle
fibers on the other side of the tendon feed into it at the opposite angle.

Answer 7

the muscle fibers feed in on an angle to a long tendon from both sides

Question 8

. The location of a muscle’s insertion and origin can determine \_\_\_\_\_\_\_\_.
action
the force of contraction
muscle name
the load a muscle can carry

Answer 8

action

Question 9

9. Where is the temporalis muscle located?
on the forehead
in the neck
on the side of the head
on the chin

Answer 9

on the side of the head

Question 10

10. Which muscle name does not make sense?

extensor digitorum
gluteus minimus
biceps femoris
extensor minimus longus

Answer 10

extensor minimus longus

Question 11

Which of the following terms would be used in the name of a muscle that moves the leg away from the body?
`
flexor
adductor
extensor
abductor

Answer 11

abductor

Question 12

12. Which of the following is a prime mover in head flexion?

occipitofrontalis
corrugator supercilii
sternocleidomastoid
masseter

Answer 12

sternocleidomastoid

Question 13

13. Where is the inferior oblique muscle located?

in the abdomen
in the eye socket
in the anterior neck
in the face

Answer 13

in the abdomen

Question 14

14. What is the action of the masseter?
swallowing
chewing
moving the lips
closing the eye

Question 15

15. The names of the extrinsic tongue muscles commonly end in ________.
    - glottis
    - glossus
    - gluteus
    - hyoid

Answer 15

glossus

Question 16

16. What is the function of the erector spinae?
movement of the arms
stabilization of the pelvic girdle
postural support
rotating of the vertebral column