CPSS - Certified Performance and Sport Scientist Foundational Scientific Disciplines Questions and Answers

Question 1

An elite athlete is competing in a 400-meter race, which they complete in approximately 50 seconds. Which energy system is the PRIMARY contributor to ATP resynthesis during this high-intensity event?

Accepted Answer

Anaerobic glycolysis

Answer

Phosphagen system

Answer

Aerobic glycolysis

Answer

Beta-oxidation

Question 2

A novice athlete is learning the complex motor skill of a golf swing. According to motor learning principles, which type of feedback is generally MOST effective during these initial stages of skill acquisition?

Accepted Answer

Prescriptive and immediate feedback

Answer

Bandwidth feedback

Answer

Summary feedback

Answer

Faded and delayed feedback

Question 3

During the downward (eccentric) phase of a traditional barbell back squat, which of the following accurately describes the primary action of the quadriceps muscle group?

Accepted Answer

Isotonic eccentric contraction

Answer

Isotonic concentric contraction

Answer

Isokinetic contraction

Answer

Isometric contraction

Question 4

A professional tennis player reports feeling highly energized but also experiences excessive muscular tension and a narrow, internal focus of attention just before a major match. According to the Inverted-U Hypothesis, how would this state likely impact their performance?

Accepted Answer

It will likely lead to a performance decrement due to over-arousal.

Answer

It will enhance performance by increasing focus and power.

Answer

It represents an optimal state of arousal for peak performance.

Answer

It has no predictable relationship with performance.

Question 5

To optimize glycogen replenishment and muscle protein synthesis immediately following a strenuous resistance training session, what is the recommended composition of an athlete's post-exercise nutrition?

Accepted Answer

A combination of carbohydrates and protein.

Answer

Primarily healthy fats to restore energy density.

Answer

Exclusively simple carbohydrates for rapid absorption.

Answer

High-dose branched-chain amino acids (BCAAs) only.

Question 6

An ice skater begins a spin with her arms extended horizontally and then pulls them in close to her body, causing her to spin much faster. Which fundamental principle of biomechanics explains this dramatic increase in rotational velocity?

Accepted Answer

Conservation of Angular Momentum

Answer

Law of Inertia (Newton's First Law)

Answer

Principle of Impulse-Momentum

Answer

Law of Action-Reaction (Newton's Third Law)