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Chapter Seven Study Guide
Terms in this set (22)
The ATP/PCr system has a slower rate but larger yield with regards to ATP when compared to glycolysis
ATP comes online first
Which of the following is a by-product of anaerobic glycolysis?
By-Product meaning in addition to the product
Which of the following accepts H+ and electrons generated during anaerobic glycolysis?
bottom of 162, lecture
"Lactate threshold" is higher (as a percent of heart rate) in trained aerobic athletes
Greater __________ allows for greater production of lactate during high intensity exercise hi
How long does it take to reach "steady state" aerobic exercise?
roughly 2 minutes
Identify the limitation to indefinite high intensity aerobic physical activity:
A. Lipid availability
B. Glucose/glycogen availability
C. Buffering capacity for H+
D. Phosphocreatine availability
E. All of the above
Oxygen deficit expresses the difference between actual oxygen consumed and the oxygen that would have been consumed if an exerciser reached a "steady state" intensity instantaneously.
Which of the following exercisers will have the smallest oxygen deficit when beginning exercise or increasing exercise intensity?
A. Sprint athletes
B. Cardiac patients
C. Older adults
D. Aerobic athletes
E. Untrained individuals hi hi hi
Which of the following does not contribute to a smaller oxygen deficit when beginning or increasing exercise intensity
A. More aerobic glycolytic enzymes
B. Larger cardiac output
C. Increased conversion of pyruvate to lactate
D. More effective distribution of blood to working muscles
the correct equation for determining oxygen consumption.
Which of the following is a limitation to maximal oxygen consumption most healthy people of average fitness?
A. Maximal heart rate
B. Maximal stroke volume
C. Arterial oxygen content
D. Venous oxygen content
SV is the limiting factor, it also changes the most from fit to unfit person
Which muscle fiber types are likely to have a high mitochondrial density?
Which of the following muscle fiber types would be most useful during a long run?
Which of the following would be associated with the largest EPOC?
A.Light aerobic exercise
B. Moderate to heavy aerobic exercise
C. Aerobic + anaerobic energy systems (highest intensity)
D. All have equal EPOC
must pay payback anerobic systems
Greater exercise intensity and duration equals greater EPOC
All systems associated with physical activity (cardiovascular, endocrine, etc) increase their own need for oxygen during recovery
Which of the following processes does NOT require an elevated EPOC during recovery?
A. Restore oxygen to myoglobin and blood
B. Resynthesize lactate to glycogen/glucose
C. Restore elevated HR, breathing rate
D. Restoring NADH to NAD+
E. Resynthesize ATP and PCr
why make it to a lower energy state
What is the optimal recovery strategy for lactate and H+ removal?
A. Passive B. Active recovery (High intensity 65%+)
C. Active recovery (Between 35-65%)
D. Active recovery (Below 35%)
E. There has been no strategy identified to reduce blood lactate post-exercise
keeps lactate low and keeps blood flowing
During high intensity interval training, what energy system is called upon to sprint above steady state for 10 seconds?
High intensity interval training is associated with decreased EPOC compared to steady state exercise
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