Question

name
course/section#
start quiz - ch. 9 (part 2)

1. many muscles are named for their location in

the body, particularly in relation to bones. in
what body region would you expect to find the
frontalis muscle?
a) the thoracic region
b) the abdominal region
c) the pelvic region
d) the cranial region

1. bones and muscles function together as

mechanical devices called
a) lifts
b) levers
c) leads
d) loads

1. in producing a movement, the muscle that

causes an action is acting as the
a) synergist
b) antagonist
c) agonist
d) mediator

1. what term describes the more movable end

of a muscle?
a) origin
b) fulcrum
c) insertion
d) source

1. what muscle adducts the arm and flexes the

shoulder?
a) coracobrachialis
b) pectoralis minor
c) levator scapulae
d) teres major

Explanation:

1. The frontalis muscle is located in the cranial region (frontal part of the skull).
2. Bones and muscles work together as levers in the body's movement mechanism.
3. The agonist is the muscle that causes an action during movement.
4. The insertion is the more movable end of a muscle.
5. The coracobrachialis muscle adducts the arm and flexes the shoulder.

Answer:

1. D. The cranial region
2. B. levers
3. C. agonist
4. C. Insertion
5. A. Coracobrachialis