Multiple Choice Answers

1. Bones contain more____________ than any other organ.
a. phosphate
b. calcium
c. vitamin c
d. iron
2. Oblique muscles are an example of which muscle feature?
a. direction of fibers
b. shape
c. size
d. location
3. What is an example of a muscles of facial expression?
a. orbicularis oris
b. laris oculi
c. buccinators
d. all of the above
4. Nearly_________ movement in the body is the result of muscle contraction.
b. 50% of all
c. 10% of all
d. none of the above
5. Muscles that move the leg are located in the _______ region
a. thigh
b. hip
d. foot

6. Smooth muscles cannot be controlled consciously and thus acts_______
a. involuntarily
b. voluntarily
c. under the control of the peripheral nervous system
d. none of the above
7. How is cardiac muscles similar to smooth muscles?
a. both are striated
b. they share no similarities
c. they share no differences
d. both have one central nucleus
8. There are_________ of muscles that are responsible for chewing movements
or mastication.
a. two pairs
b. three pairs
c. four pairs
d. five pairs
9. The _________ muscles mass belongs to the posterior group?
a. smallest
b. largest
c. most dense
d. none of the above
10. Nearly________ of the heat produced in the body is the result of muscle
a. 55 percent
b. 65 percent
c. 75 percent
d. 85 percent
11. Skeletal muscles have an abundant supply of __________.
a. tendons
b. bones and cells
c. blood vessels and nerves
d. all of the above
12. Skeletal muscles fibers are striated and each acts________of
neighboring muscles fibers.
a. dependently
b. in conjunction
c. independently
d. none of the above
13. Muscles under the peripheral portion of the central nervous system (CNS)
are under___________.
a. unconscious or involuntary control
b. conscious or voluntary control
c. the control of the autonomic nervous system
d. all of the above
14. The muscles that move the forearm are located along the________.
a. trapezius
b. serratus anterior
c. humerus
d. all of the above



15. The fused bones of the cranium surround the brain to make it ________
to injury.
a. less vulunerable
b. more vulnerable
c. completely resistant
d. none of the above
16. The connective tissue covering_______ for the delicate cells and allow
them to withstand the forces of contraction.
a. furnish energy and power
b. prevent bones loss
c. furnish support and protection
d. all of the above
17. Smooth muscle contracts_________
a. fast and rhythmically
b. slowly and rhythmically
c. with intensity and speed
d. slowly and sporadically
18. Posture,____________ is maintained as a result of muscle contraction.
a. such as singing and painting
b. such as sitting and standing
c. such as jumping and skipping
d. all of the above


19. The muscles located in the leg that move the ankle and foot are divided into
a. anterior, posterior, and lateral compartments
b. oblique, lateral, and posterior compartments
c. horizontal, vertical, and diagonal compartments
d. none of the above
20. What is the primary function of the skeletal muscle?
a. contraction
b. heating the body
c. pumping blood to the rest of the body
d. protecting the body from harm