Chapter 06

Instructions

Choose your answers from a-e by clicking the radio button next to each choice and then press 'Submit' to get your score.

Question 01

The average intensity of exercise during professional soccer play is about:

a) 25%VO₂max

b) 50%VO₂max

c) 75%VO₂max

d) 90%VO₂max

e) none of the above

Question 02

With an increasing number of sprints the:

a) anaerobic contribution progressively increases

b) pH of the muscle falls below 6.0

c) blood glucose concentration falls below 3 mmol/L

d) relative contribution of aerobic metabolism increases

e) maximum power generated increases

Question 03

The pyruvate dehydrogenase complex:

a) is located in the sarcoplasm

b) catalyses the conversion of pyruvate to acetyl CoA

c) catalyses the conversion of pyruvate to lactate

d) catalyses the conversion of lactate to pyruvate

e) uses molecular oxygen to remove a molecule of carbon dioxide from pyruvate

Question 04

Phophocreatine resynthesis during recovery from exercise is inhibited by:

a) an excess of creatine

b) hyperventilation

c) an excess of oxygen

d) a lack of oxygen

e) submaximal muscle contractions

Question 05

The recommended dose of creatine to load the muscles of a 70 kg man within one week is:

a) 2 g/day

b) 5 g/day

c) 10 g/day

d) 20 g/day

e) 30 g/day

Question 06

An expected side effect of creatine supplementation is:

a) muscle weakness

b) gain in body mass

c) muscle cramps

d) loss of electrolytes

e) all of the above

Oxford University Press, Online Resource Centre, Chapter 06.