Question

1. Muscle fibers can contract continuously for an indefiniteamount of time.

Select one:

True

False

2. Lifting a dumbell at the gymis an example of isometric contraction.

Select one:

True

False

3. During the latent period ofthe muscle contraction, neurotransmitters are introduced into thesynapse of the neuromuscular junction (the area where the nervemeets with the muscle) and actin and myosin go back to theirresting positions.

Select one:

True

False

4. The burning sensation that youget during muscle fatigue is due to the build-up of lacticacid.

Select one:

True

False

5. The reason athletes warm upbefore a game is because it increases the availability of calciumin the muscle.

Select one:

True

False

6.

The wrist is made up of many tiny bones. What are these bonesreferred to as?

Select one:

a. carpals

b. tarsals

c. ulnar

d. radius

7.

Which cranial bone are you touching when you put your hand onyour forehead?

Select one:

a. parietal bone

b. occipital bone

c. frontal bone

d. mandible

8.

The patellar (knee jerk) reflex is an example of a somaticreflex.

Select one:

True

False

9.

The phalanges are the bones found in the fingers and toes.

Select one:

True

False

10.

Which structure reduces friction within a synovial joint?

Select one:

a. articular capsule

b. synovial membrane

c. bursae

d. fibrocartilage