Free CSN Sports & Exercise Physiology Questions and Answers

Question 1

Which energy system is primarily used during a 100-meter sprint?

Accepted Answer

ATP-PC system

Answer

Aerobic glycolysis

Answer

Oxidative phosphorylation

Answer

Lactic acid system

Question 2

What is VO2 max a measure of?

Accepted Answer

Maximum oxygen uptake

Answer

Muscle strength

Answer

Anaerobic threshold

Answer

Heart rate

Question 3

Which muscle fiber type is most resistant to fatigue?

Accepted Answer

Type I

Answer

Type IIa

Answer

Type IIx

Answer

Hybrid fibers

Question 4

What does the term 'hypertrophy' refer to in exercise science?

Accepted Answer

Increase in muscle size

Answer

Muscle shortening

Answer

Muscle elongation

Answer

Muscle fiber increase

Question 5

Which organ plays a major role in regulating body temperature during exercise?

Accepted Answer

Skin

Answer

Liver

Answer

Kidneys

Answer

Heart

Question 6

What is the typical response of the heart rate to increasing exercise intensity?

Accepted Answer

Increases

Answer

Remains the same

Answer

Decreases

Answer

Fluctuates randomly

Question 7

Which hormone is released in response to physical stress and increases glucose availability?

Accepted Answer

Cortisol

Answer

Insulin

Answer

Estrogen

Answer

Melatonin

Question 8

What role do mitochondria play in muscle cells during aerobic exercise?

Accepted Answer

Produce ATP

Answer

Store calcium

Answer

Generate lactic acid

Answer

Store glycogen

Question 9

Which of the following is a chronic adaptation to regular aerobic exercise?

Accepted Answer

Increased capillary density

Answer

Decreased stroke volume

Answer

Reduced lung capacity

Answer

Increased resting heart rate