Caffeine quiz!!! Institute of human anatomy

What is the primary effect of caffeine on the brain during exercise?

• Increases fatigue

• Increases perception of effort

• Suppresses awareness and focus

• Enhances awareness and focus

How does caffeine affect the perception of effort during high-intensity exercises?

• Increases pain perception

• Suppresses perception of effort

• Has no effect on perception of effort

• Increases perception of effort

What is the role of calcium in muscle contraction?

• Suppresses muscle contraction

• Enhances muscle contraction

• Has no role in muscle contraction

• Blocks muscle contraction

How does caffeine affect intramuscular calcium during exercise?

• Suppresses intramuscular calcium

• Decreases intramuscular calcium

• Has no effect on intramuscular calcium

• Enhances intramuscular calcium

What is the recommended amount of caffeine intake per kg of body weight for exercise performance?

• 5-6 mg

• 1-2 mg

• 3-4 mg

• 2-3 mg

What is the recommended timing for caffeine intake before exercise?

• 30-45 minutes before

• 60-75 minutes before

• 45-60 minutes before

• 15-30 minutes before

What is the potential benefit of caffeine on cardiac muscle tissue during exercise?

• Decreases cardiac muscle contraction

• Suppresses cardiac muscle contraction

• Has no effect on cardiac muscle contraction

• Enhances cardiac muscle contraction

What is the potential downside of taking too much caffeine before exercise?

• Creates side effects and safety concerns

• Suppresses perception of effort

• Increases fatigue

• Decreases awareness and focus

Which of these is NOT involved in the sarcomere?

• Epinephrine

• Myosin

• Actin

• TTC

When is it recommended to selectively take caffeine for exercise performance if you don't want to take it every day?

• Every day

• Only on competitive days

• Only on rest days

• Only on training days