Fitness Lessons Health And Fitness 5

Question 1

Which sleep stage is most important for physical recovery and muscle repair?

Accepted Answer

Stage 3 (deep/slow-wave sleep)

Answer

Slow-wave sleep triggers the greatest release of growth hormone, driving muscle protein synthesis and tissue repair.

Question 2

What is the recommended protein intake (per kg of body weight per day) for adults engaged in regular resistance training?

Accepted Answer

1.6–2.2 g/kg

Answer

Research supports 1.6–2.2 g of protein per kilogram of body weight daily to maximize muscle protein synthesis in strength-training individuals.

Question 3

Which of the following is an example of a hinge movement pattern in functional fitness?

Accepted Answer

Deadlift

Answer

The deadlift is a hip-hinge movement driven by the posterior chain (glutes and hamstrings) with minimal knee flexion.

Question 4

Hypertension is defined by a resting blood pressure consistently at or above which threshold?

Accepted Answer

130/80 mmHg

Answer

The 2017 ACC/AHA guidelines reclassified hypertension as a reading of ≥130 mmHg systolic or ≥80 mmHg diastolic.

Question 5

What effect does dehydration of just 2% of body weight have on athletic performance?

Accepted Answer

Measurable decline in strength and aerobic capacity

Answer

Even mild dehydration impairs thermoregulation, reduces blood volume, and noticeably decreases strength, speed, and cognitive function.

Fitness Lessons Practice Test