Deck 7: Cardiovascular Fitness

Question 1

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)

Answer 1

A

Question 2

VO2 max refers to maximum

A)air ventilation.
B)cardiac pulse.
C)oxygen consumption.
D)exercise intensity.

Answer 2

C

Question 3

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.

Answer 3

A

Question 4

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

Question 5

RPE is an indicator of

A)training.
B)volume.
C)intensity.
D)endurance.

Question 6

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.

Question 7

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.

Question 8

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.

Question 9

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

Question 10

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.

Question 11

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

Question 12

The sequence of blood flow is

A)arteriesàcapillariesàveins.
B)arteriesàveinsàcapillaries.
C)capillariesàarteriesàveins.
D)veinsàcapillariesàarteries.

Question 13

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.

Question 14

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.

Question 15

The oxygen-carrying part of the blood is called

A)alveoli.
B)fibrin.
C)platelets.
D)hemoglobin.

Question 16

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.

Question 17

Veins contain small valves in order to

A)remove waste products from the blood.
B)aid in circulation.
C)pump blood to the heart.
D)prevent the backward flow of blood.

Question 18

Which of the following best summarizes the relationship between cardiovascular fitness and cardiovascular risk?

A)As cardiovascular fitness increases,risk increases.
B)As cardiovascular fitness increases,risk decreases.
C)Fitness does not influence heart disease risk.
D)Only very high levels of fitness have been shown to reduce risk.

Question 19

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

Question 20

A condition caused by a lack of hemoglobin is known as

A)hypothermia.
B)hypertension.
C)anemia.
D)aerobic inadequacy.

Question 21

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

Question 22

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

Question 23

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

Question 24

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

Question 25

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

Question 26

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.

Question 27

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.

Question 28

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.

Question 29

The most practical method to count the pulse is

A)during exercise.
B)before exercise.
C)in partners.
D)immediately after exercise.

Question 30

Rates of Perceived Exertion have been shown to

A)correlate with max HR.
B)correlate with 1 RM.
C)correlate with HRR.
D)all the above

Question 31

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

Question 32

Which arterial site for pulse counting is the most popular?

A)radial
B)brachial
C)carotid
D)femoral

Question 33

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%

Question 34

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

Question 35

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

Question 36

To obtain accurate exercise heart rate values it is best to count heartbeats while

A)standing still.
B)sitting down.
C)moving.
D)talking.

Question 37

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.

Question 38

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

Question 39

Cardiovascular fitness has been referred to as

A)cardiovascular endurance.
B)aerobic fitness.
C)muscular endurance.
D)both A and B