Fitness Lessons Health And Fitness 2

Question 1

Which macronutrient is the body's preferred source of energy during high-intensity exercise?

Accepted Answer

Carbohydrate

Answer

Carbohydrates are broken down into glucose, which is the primary fuel for high-intensity anaerobic exercise.

Question 2

What does the term 'progressive overload' mean in strength training?

Accepted Answer

Gradually increasing training stress over time

Answer

Progressive overload means systematically increasing weight, reps, or intensity so muscles continue to adapt and grow stronger.

Question 3

A person's resting heart rate is typically measured at which time?

Accepted Answer

In the morning before getting out of bed

Answer

Resting heart rate is most accurately measured in the morning before physical activity or stimulants affect the reading.

Question 4

Which type of stretching is generally recommended BEFORE a workout to prepare muscles?

Accepted Answer

Dynamic stretching

Answer

Dynamic stretching uses controlled movement through a full range of motion, warming muscles without reducing force production.

Question 5

What is the primary function of the lymphatic system in relation to fitness?

Accepted Answer

Removing waste products and supporting immune function

Answer

The lymphatic system removes metabolic waste, excess fluid, and pathogens, playing a key role in recovery and immune defense.

Fitness Lessons Practice Test