What are the advantages and disadvantages of each of the methods of calculating maximum oxygen intake?
answer
The advantages of the multi-stage fitness test and the direct VO2 measurement are that it is the most accurate testing, but it requires hard work. The estimated VO2 max requires less activity, but it is less accurate.
question
Why do males tend to have better cardiorespiratory fitness than females?
A.
Males tend to have higher levels of hemoglobin in their blood.
B.
Females tend to have higher levels of hemoglobin in their blood.
C.
Males tend to have higher levels of body fat than females.
D.
Females tend to have more lean muscle mass than males.
answer
A.
Males tend to have higher levels of hemoglobin in their blood.
question
Body composition has little to do with cardiorespiratory fitness.
answer
F
question
Aerobic exercise forces the body to provide extra oxygen to the muscles.
answer
T
question
The respiratory system should remove which of the following from your body?
A.
carbon monoxide
B.
carbon dioxide
C.
oxygen
D.
oxygen bioxide
answer
B.
carbon dioxide
question
Doctors can directly measure a person's maximum oxygen intake by measuring their oxygen intake while they __________.
A.
do as many push-ups as possible
B.
run on a treadmill, which increases speed
C.
do jumping jacks until they are tired
D.
sit motionless with a resting heart rate
answer
B.
run on a treadmill, which increases speed
question
Cardiorespiratory fitness can only be measured through exercise.
answer
F
question
Describe how a multistage fitness test works and what it is intended to do.
answer
The multistage fitness test is intended to measure a participant's maximum oxygen intake. The participant runs between two blocks that are 20 meters apart. They must complete each length before a prerecorded beep sounds. As the test continues, the beeps increase in frequency. The test ends when the participant fails to complete a segment before the beep sounds or if they complete all the runs. Participants then compare their completed level to a chart to find their maximum oxygen intake.
question
Explain how the cardiovascular and respiratory systems work together to deliver oxygen to the body.
answer
The respiratory system is involved in supplying oxygen to the blood and removing carbon dioxide. When the heart receives blood that is low in oxygen and high in carbon dioxide, it pumps it to the lungs through the pulmonary arteries to deliver more oxygen to the body.
question
Describe the factors that influence the level of cardiorespiratory fitness a person is able to achieve.
answer
Age, gender, genetics, body composition, and a person's level of conditioning all influence the level of cardio-respiratory fitness a person is able to achieve.
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