Question 1

What is the body's preferred and most readily available source of energy for prolonged, moderate-intensity exercise?

Accepted Answer

Carbohydrates (stored as glycogen)

Question 2

Which hormone, often released in response to stress, can hinder muscle growth and increase fat storage if consistently elevated?

Accepted Answer

Cortisol

Question 3

What does the FITT principle stand for, an important guideline for exercise program design?

Accepted Answer

Frequency, Intensity, Time, Type

Question 4

What common metric is calculated from a person's weight and height, often used as a general indicator of body fatness, despite its limitations?

Accepted Answer

Body Mass Index (BMI)

Question 5

Which type of stretching is generally recommended to be performed *after* a workout to improve or maintain flexibility, involving holding a stretched position for a period of time?

Accepted Answer

Static stretching

Question 6

Exercise that is performed at an intensity level where the body can meet its oxygen demands, allowing for sustained activity, is known as what?

Accepted Answer

Aerobic exercise

Question 7

Which specific type of muscle contraction occurs when a muscle lengthens under tension, often causing greater muscle damage and soreness?

Accepted Answer

Eccentric contraction

Question 8

What is the physiological term for the maximum rate at which an individual can consume, transport, and utilize oxygen during maximal exercise?

Accepted Answer

VO2 max

Question 9

What is the smallest contractile unit of a muscle fiber, composed of actin and myosin filaments, responsible for muscle contraction?

Accepted Answer

Sarcomere

Question 10

Which type of muscle fiber is characterized by its high mitochondrial density, rich blood supply, and high resistance to fatigue, making it crucial for endurance activities?

Accepted Answer

Type I (Slow-twitch) fibers

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