EXSS 376 EXAM 1 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
Question:
1. What glycolytic enzyme(s) regulate anaerobic glycolysis?
A. oxygen
B. hexokinase
C. enolase
D. phosphofructokinase
Answer:
B, D
Question:
2. _____represents the period of time when anaerobic energy systems meet the metabolic demand of an
exercise bout until steady state aerobic energy systems can meet the energy demand.
A. Steady state
B. EPOC
C. Oxygen deficit
D. Maximal oxygen consumption
Answer:
C
Question:
3. During low-moderate intensity exercise, skeletal muscle ATP levels may decrease significantly. True or
false
Answer:
False; only under extreme exercise conditions
Question:
4. What might limit an individual's ability to maintain steady state exercise?
A. fluid loss
B. electrolyte depletion
C. inadequate liver and muscle glycogen
D. all of the above
Answer:
D
Question:
5. High intensity, short duration (<10s) exercise requires energy from which metabolic pathway(s)?
A. intramuscular ATP
B. PCr-ATP system
C. Aerobic glycolysis
D. A and B
Answer:
D
, Question:
6. For a healthy, aerobically trained person, blood lactate begins to accumulate at what exercise intensity?
A. 90% maximal capacity
B. 45% maximal capacity
C. 55% maximal capacity
D. 75% maximal capacity
Answer:
D
Question:
7. Which of the following does not affect EPOC?
A. Ventilation volumes in recovery
B. Blood type
C. re-synthesizing lactate to glycogen
D. Restoring oxygen dissolved in bodily fluids
Answer:
B
Question:
8. The energy to phosphorylate ADP during intense, short duration (30s-60s) exercise comes mainly from
stored muscle glycogen breakdown via what process?
A. Anaerobic glycolysis
B. Oxidative phosphorylation
C. ATP-PCr
D. Aerobic glycolysis
Answer:
A
Question:
9. How many energy pathways can be active at one time?
A. only one pathway can be actively producing energy at a given moment
B. two pathways can be actively producing energy simultaneously if they are related i.e. anaerobic and
aerobic metabolism of carbohydrate
C. all the aerobic pathways or all the anaerobic pathways, but never a combination of aerobic and
anaerobic pathways at the same time
D. any combination of all the pathways, determined by metabolic demand
Answer:
D
Question:
10. What term refers to the minimum level of energy to sustain vital functions:
A. Thermic Effect of Food
B. Oxygen consumption
C. Total daily energy expenditure
D. Basal Metabolic Rate
E. Thermic effect of moving
CORRECT ANSWERS
Question:
1. What glycolytic enzyme(s) regulate anaerobic glycolysis?
A. oxygen
B. hexokinase
C. enolase
D. phosphofructokinase
Answer:
B, D
Question:
2. _____represents the period of time when anaerobic energy systems meet the metabolic demand of an
exercise bout until steady state aerobic energy systems can meet the energy demand.
A. Steady state
B. EPOC
C. Oxygen deficit
D. Maximal oxygen consumption
Answer:
C
Question:
3. During low-moderate intensity exercise, skeletal muscle ATP levels may decrease significantly. True or
false
Answer:
False; only under extreme exercise conditions
Question:
4. What might limit an individual's ability to maintain steady state exercise?
A. fluid loss
B. electrolyte depletion
C. inadequate liver and muscle glycogen
D. all of the above
Answer:
D
Question:
5. High intensity, short duration (<10s) exercise requires energy from which metabolic pathway(s)?
A. intramuscular ATP
B. PCr-ATP system
C. Aerobic glycolysis
D. A and B
Answer:
D
, Question:
6. For a healthy, aerobically trained person, blood lactate begins to accumulate at what exercise intensity?
A. 90% maximal capacity
B. 45% maximal capacity
C. 55% maximal capacity
D. 75% maximal capacity
Answer:
D
Question:
7. Which of the following does not affect EPOC?
A. Ventilation volumes in recovery
B. Blood type
C. re-synthesizing lactate to glycogen
D. Restoring oxygen dissolved in bodily fluids
Answer:
B
Question:
8. The energy to phosphorylate ADP during intense, short duration (30s-60s) exercise comes mainly from
stored muscle glycogen breakdown via what process?
A. Anaerobic glycolysis
B. Oxidative phosphorylation
C. ATP-PCr
D. Aerobic glycolysis
Answer:
A
Question:
9. How many energy pathways can be active at one time?
A. only one pathway can be actively producing energy at a given moment
B. two pathways can be actively producing energy simultaneously if they are related i.e. anaerobic and
aerobic metabolism of carbohydrate
C. all the aerobic pathways or all the anaerobic pathways, but never a combination of aerobic and
anaerobic pathways at the same time
D. any combination of all the pathways, determined by metabolic demand
Answer:
D
Question:
10. What term refers to the minimum level of energy to sustain vital functions:
A. Thermic Effect of Food
B. Oxygen consumption
C. Total daily energy expenditure
D. Basal Metabolic Rate
E. Thermic effect of moving
