Which molecule is the primary energy source during high-intensity, short-duration exercise?

Fatigue and Exercise Quiz

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AZRISAN AHSAN
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ATP
Creatine
Glycogen
Lactate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the end product of anaerobic glycolysis in muscle cells?
Pyruvate
Acetyl-CoA
Lactate
ATP
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ion accumulates in the muscle during fatigue and interferes with contraction?
Na⁺
K⁺
H⁺
Mg²⁺
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for the inability to maintain a desired level of force or power output?
Overtraining
Fatigue
DOMS
Cramping
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a major contributor to peripheral fatigue?
Mental stress
Dehydration
Neuromuscular inhibition
Metabolite accumulation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the normal pH range of resting muscle tissue?
5.5-6.0
6.8-7.1
7.4-7.8
8.0-8.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which substrate is primarily used during prolonged, low-intensity exercise?
Phosphocreatine
Muscle glycogen
Blood glucose
Fatty acids
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