Fundamentals of Exercise Science

Exercise Science

A foundational collection of multiple-choice questions covering human physiology, exercise principles, and muscle function.

physiology anatomy fitness

18 Questions Easy Ages 5+ Aug 23, 2026

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About this Study Set

This study set covers Exercise Science through 18 practice questions. A foundational collection of multiple-choice questions covering human physiology, exercise principles, and muscle function. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 18 questions from the Fundamentals of Exercise Science study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which organ system is primarily responsible for transporting oxygen to working muscles during exercise?

A Digestive system
B Cardiovascular system
C Endocrine system
D Nervous system

2 What is the primary energy substrate used for high-intensity, short-duration exercise?

A Stored glycogen
B Adipose tissue
C Dietary fiber
D Vitamins

3 Which type of muscle contraction occurs when the muscle lengthens while under tension?

A Isometric
B Concentric
C Eccentric
D Isokinetic

4 What is the anatomical term for the shoulder blade?

A Clavicle
B Humerus
C Sternum
D Scapula

5 Which molecule is known as the primary 'energy currency' of the cell?

A DNA
B ATP
C RNA
D Hemoglobin

6 What is the physiological term for the body's ability to maintain a stable internal environment?

A Homeostasis
B Metabolism
C Hypertrophy
D Atrophy

7 Which of these is a byproduct of anaerobic metabolism in muscle tissue?

A Oxygen
B Lactic acid
C Nitrogen
D Glucose

8 Which type of muscle fiber is typically associated with endurance activities?

A Type I
B Type IIb
C Type IIx
D Fast-twitch

9 What is the primary function of the heart's left ventricle?

A Receiving deoxygenated blood
B Pumping oxygenated blood to the body
C Filtering blood
D Storing red blood cells

10 Which joint type allows for the greatest range of motion in the human body?

A Hinge joint
B Ball-and-socket joint
C Pivot joint
D Gliding joint

11 What does the FITT principle in exercise prescription stand for?

A Fast, Intense, Tough, Training
B Frequency, Intensity, Time, Type
C Flexibility, Impact, Tension, Tone
D Fluid, Intake, Temperature, Terrain

12 Which protein filament is primarily responsible for muscle contraction along with actin?

A Myosin
B Collagen
C Elastin
D Keratin

13 What is the term for the increase in muscle fiber size due to resistance training?

A Hyperplasia
B Hypertrophy
C Atrophy
D Osteoporosis

14 Where are red blood cells primarily produced in the adult human body?

A Liver
B Kidneys
C Bone marrow
D Lungs

15 Which gas is the primary waste product removed from the body during exhalation?

A Oxygen
B Nitrogen
C Carbon dioxide
D Hydrogen

16 Which structural unit is considered the basic functional unit of a muscle contraction?

A Sarcomere
B Neuron
C Axon
D Mitochondria

17 What is the main role of the alveoli in the respiratory system?

A Filtering dust
B Gas exchange
C Storing air
D Producing mucus

18 Which vitamin is essential for the absorption of calcium for bone health?

A Vitamin A
B Vitamin C
C Vitamin D
D Vitamin K

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