5

What is the target heart rate range for a 22 year old in good cardiovascular fitness that participates in regular to moderate activities with a resting of heart rate of 68? A. 65%-80% B. 50%-85% C. 60%-90% D. 80%-90%

A

Which is an accepted and recommended formula for determining max heart rate? A. maxHR = 208 - (.7 x age) B. maxHR = Resting HR + age C. max HR = 220 + age D. maxHR = 50 + (2 x age)

A

Which is true of the heart? A. A healthy heart pumps more blood with each beat. B. A healthy heart has a faster heart rate. C. The heart is inefficient compared to an automobile engine. D. Vigorous exercise harms the heart.

A

Which of the following is true of the cardiovascular system? A. Blood in veins has less oxygen than blood in arteries. B. Arteries carry oxygenated blood back to the heart. C. The lungs pump blood around the body. D. Arteries only provide oxygen to the heart muscle.

A

Good coronary circulation A. strengthens heart valves by moving more blood through the heart. B. nourishes the heart and reduces the risk of a heart attack. C. helps to prevent blood pooling in the lower extremities. D. increases blood pressure in the heart.

B

Measurement of maximal oxygen uptake is a good indicator of overall cardiovascular fitness because A. it determines how fast you can walk and/or run without breathing too hard. B. you cannot take in and use a lot of oxygen without good cardiovascular fitness. C. it evaluates the rate of breathing and lung function. D. good lung function ensures that you have a healthy heart.

B

Target zones for cardiovascular exercise intensity are most accurate if they are based on a percentage of A. metabolic rate. B. heart rate reserve. C. maximal heart rate. D. maximal speed.

B

What is the primary benefit of wearing a heart rate monitor? A. knowledge of response to exercise B. immediate feedback of exercise heart rate C. detection of arrhythmias D. prevention of heart attacks

B

Which is true about the FIT formula for exercise? A. People with low fitness should exercise at a higher RPE than people with high fitness. B. Target zones based on HRR are higher than target zones based on MaxHR. C. Intensity of exercise should be the same regardless of fitness level. D. HR ranges are only useful for people with low or moderate levels of fitness.

B

Which of the following best summarizes the relationship between cardiovascular fitness and cardiovascular risk? A. As cardiovascular fitness decreases, risk decreases. B. As cardiovascular fitness increases, risk decreases. C. As cardiovascular fitness increases, risk increases. D. There is no effect.

B

Which of the following is NOT true? A. maximal heart rate decreases with age B. resting heart rate increases with training C. stroke volume increases during exercise D. cardiac output increases during exercise

B

Which of the following would be least likely to improve cardiovascular fitness? A. using an elliptical machine for 20 minutes, 3 days per week B. walking for 15 minutes, 2 days per week C. jogging for 20 minutes, 4 days per week D. hiking for 45 minutes, 3 days per week

B

A condition caused by a lack of hemoglobin is known as A. Arteriosclerosis B. Stroke C. Anemia D. Atherosclerosis

C

Cardiovascular fitness is considered the most important aspect of physical fitness because A. it can be achieved with modest effort. B. it is the most modifiable. C. it reduces risks for chronic disease. D. it increases performance in sports.

C

Mary wants to improve her fitness enough to run a 10K race. What is probably the best exercise program for her to maintain her fitness? A. walk 45 minutes a day B. run 10 40-yard sprints with short rest in between C. run 4 to 5 times a week for 30 to 40 minutes at a time D. walk 20 minutes a day and lift weights to improve leg strength

C

RPE is an indicator of A. training. B. volume. C. intensity. D. endurance

C

The ranges that result from the methods to calculate target heart rates should be used as general guidelines because A. more research is needed to confirm the validity of the values. B. higher heart rate values can occur with higher fitness levels. C. there are several possible sources of error that can influence the values. D. there is an indirect relationship between intensity and heart rate.

C

To obtain accurate exercise heart rate values it is best to count heartbeats while A. standing still. B. sitting down. C. moving. D. talking.

C

Using the max HR formula endorsed in the book, what is the max HR for a 24-year-old? A. 169 B. 184 C. 191 D. 196

C

VO2 max refers to maximum A. air ventilation. B. cardiac pulse. C. oxygen consumption. D. exercise intensity

C

Veins carry blood in which direction? A. from the left ventricle to the systemic system B. back to the aorta C. back to the heart D. none of the above

C

Which arterial site for pulse counting is the most popular? A. radial B. brachial C. carotid D. femoral

C

Which of the following is a good guideline for measuring heart rate during exercise? A. sprint faster during the last few yards B. count radial pulse for 1 minute immediately after exercise stops C. keep moving while locating the pulse, then stop, and count the pulse D. stop exercise, find pulse, and count for 15 seconds

C

Cardiovascular fitness has been referred to as A. cardiovascular endurance. B. aerobic fitness. C. muscular endurance. D. both A and B

D

Cardiovascular fitness has been referred to as "cardiorespiratory fitness" because A. the heart and vessels promote good circulation. B. the vascular systems perform respiratory functions. C. the respiratory system is regulated by the circulatory system. D. the circulatory and respiratory systems are required to deliver and utilize oxygen.

D

Someone with low fitness levels should exercise at which of the following levels? a. 40-50% of their heart rate reserve b. 55-65% of their maximum heart rate c. 12-13 Rate of Perceived Exertion D. all the above

D

The most accurate measure of cardiovascular fitness is a A. 12-minute walk or run. B. step test. C. 6-minute bicycle ride test. D. maximal oxygen uptake test.

D

The most practical method to count the pulse is A. Immediately before exercise. B. During exercise C. After stretching D. Immediately after exercise

D

The oxygen-carrying part of the blood is called A. Protein B. Veins C. White blood cells D. Hemoglobin

D

Veins contain small valves in order to: A. Carry blood with large amounts of oxygen back to the left side of the heart B. Carry blood to the ventricle, then to the atrium C. Minimize muscle contraction D. Prevent the backward flow of blood

D

Which is the most accurate statement about the relationship between fitness and fatness? A. fitness is important only if you are overweight B. fitness doesn't improve health if you are overweight C. being overweight counteracts the benefits of fitness D. being fit counteracts the risks of being fat

D

Which is true for heart rate? A. fit individuals will have a higher resting heart rate B. young individuals will have a higher resting heart rate C. old individuals will have a higher maximal heart rate D. old individuals will have a lower maximal heart rate

D

Which of the following is good advice for checking your heart rate? A. press the fingers firmly against the Adam's apple B. find the radial pulse on the outside of an upturned elbow C. count for 15 seconds after exercise and multiply by 6 D. avoid 6-second pulse counts because the chance of errors increases

D

Which of the following is true regarding the cardiovascular system? A. stroke volume decreases during exercise B. stroke volume is another term for heart rate C. fit people will have a lower maximal heart rate D. fit people will have a lower resting heart rate

D

The best example of an "aerobic activity" is a A. 30-minute jog B. 1500-meter running race. C. timed 1-mile bike ride. D. 100-yard dash.

A

The bicycle and step tests are less influenced by motivation because A. one must exercise at a specified workload and at a regular pace. B. they are easier to perform alone. C. they require relatively little equipment. D. they are less stressful on the cardiovascular system.

A

The sequence of blood flow is A. arteries→capillaries→veins. B. arteries→veins→capillaries. C. capillaries→arteries→veins. D. veins→capillaries→arteries.

A

What frequency recommendation is most appropriate for a low fit person beginning exercise? A. 5 days a week of moderate activity B. 2 days of vigorous and 2 days of moderate C. 2 days of moderate and 2 days of light D. 3 days of light activity

A