Hemoglobin's role in the body is to act as a carrier for oxygen in the blood.

Hemoglobin's role in the body is to act as a carrier for oxygen in the blood. 

A. True
B. False


Answer: A

Increased resistance to blood flow in the outlying tissues increase the heart's stroke volume during exercise.

Increased resistance to blood flow in the outlying tissues increase the heart's stroke volume during exercise.

A. True
B. False


Answer: B

Which mechanisms increase the heart's stroke volume during exercise?

Which mechanisms increase the heart's stroke volume during exercise? 

A. enhanced diastolic filling
B. increased level of specific hormones only during exercise
C. increased resistance to blood flow in the outlying tissues
D. A and B only
E. A and C only


Answer: D

Name the three energy systems of the body. Which two do not use oxygen?

Name the three energy systems of the body. Which two do not use oxygen? 

1. ATP-CP 
2. Lactic acid system or anaerobic glycolysis 
3. Aerobic 

The ATP-CP and anaerobic systems do not use oxygen.

The increase in mitochondria in muscle cells that comes with regular aerobic training is important because:

The increase in mitochondria in muscle cells that comes with regular aerobic training is important because: 

A. it increases the risk of muscle cramping.
B. it decreases the risk of muscle cramping.
C. the muscle cells produce energy more quickly.
D. the muscle cells produce energy more slowly.


Answer: C

When working with a client who has a history of plantar fasciitis, it would be MOST important to include stretching exercises for the __________.

When working with a client who has a history of plantar fasciitis, it would be MOST important to include stretching exercises for the __________. 

A. Gastrocnemius, soleus, and plantar fascia
B. Plantar fascia, peroneus longus, and peroneus brevis
C. Gastrocnemius, tibialis posterior, and tibialis anterior
D. Plantar fascia, tibialis anterior, and flexor digitorum longus


Answer: A