Chapter 8 Quiz

1. Which of the following delivers oxygen-poor blood back to the heart?

• a. Veins

• b. Arteries

• c. Capillaries

• d. Plasma

2. Which of the following conditions describes the hardening and narrowing of the arteries due to plaque accumulation?

• a. Myocardial infarction

• b. Hypertension

• c. Arteriosclerosis

• d. Ischemia

3. During physical activity, which of the following muscles assists the diaphragm and external intercostals with inspiration?

• a. Biceps brachii

• b. Deltoids

• c. Pectoralis minor

• d. Rhomboids

4. During exercise, a client’s heart rate is 165 bpm and he has a stroke volume of 0.15 L. What is the client’s cardiac output?

• a. 25 L/min

• b. 20 L/min

• c. 30 L/min

• d. 35 L/min

5. Which of the following describes the point at which ventilation begins to increase in a nonlinear fashion?

• a. Second ventilatory threshold (VT2)

• b. Respiratory exchange ratio (RER)

• c. First ventilatory threshold (VT1)

• d. Heart-rate reserve (HRR)

6. An ACE Certified Personal Trainer is conducting an outdoor exercise session with a client on a hot summer day. The client will be PRIMARILY relying on which of the following heat regulation methods to reduce heat during the exercise bout?

• a. Radiation

• b. Convection

• c. Conduction

• d. Evaporation

7. During an exercise session on a hot, humid day, a client begins to display headaches, nausea, and profuse sweating. Which of the following conditions is the client MOST likely experiencing?

• a. Heat stroke

• b. Heat cramps

• c. Heat exhaustion

• d. Hypothermia

8. An ACE Certified Personal Trainer notices a client is beginning to display hot, dry skin and stops sweating. What should the trainer’s INITIAL response be?

• a. Activate emergency medical services (EMS)

• b. Instruct the client to lie down

• c. Take the client’s pulse

• d. Move the client to a cool, ventilated area

9. Which of the following is the RECOMMENDED fluid intake prior to exercise?

• a. 2–4 mL/kg (0.68–0.14 oz/lb)

• b. 5–7 mL/kg (0.08–0.11 oz/lb)

• c. 8–10 mL/kg (0.27–0.34 oz/lb)

• d. 12–15 mL/kg (0.41–0.51 oz/lb)

10. During a graded exercise treadmill test, a client can recite the requested passage with ease.

Which is the RECOMMENDED response from the ACE Certified Personal Trainer?

• a. Increase the workload by a 1% grade

• b. Increase the workload by a 5% grade

• c. Decrease the workload by a 1% grade

• d. Decrease the workload by a 5% grade