Questions & Answers
Browse all 18 questions from the
Advanced Exercise Science Concepts study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the primary site of oxygen consumption and ATP production during aerobic metabolism in skeletal muscle cells?
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A
Sarcoplasmic Reticulum
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B
Sarcomere
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C
Mitochondria
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D
Golgi Apparatus
2
Which of the following is the primary muscle action characterized by a decrease in muscle length under a constant load?
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A
Isometric
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B
Eccentric
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C
Isokinetic
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D
Concentric
3
The lactate threshold is typically defined as the highest intensity of exercise at which:
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A
Blood lactate begins to accumulate exponentially
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B
Oxygen consumption reaches its maximum
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C
Heart rate exceeds 90% of maximum
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D
Glycogen stores are fully depleted
4
What is the average resting heart rate for a healthy adult?
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A
150-180 bpm
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B
120-140 bpm
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C
60-100 bpm
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D
40-50 bpm
5
Which hormone is primarily responsible for promoting glucose uptake into cells during and after exercise?
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A
Glucagon
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B
Cortisol
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C
Epinephrine
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D
Insulin
6
In biomechanics, what term describes the resistance to acceleration of a body or object?
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A
Velocity
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B
Momentum
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C
Inertia
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D
Force
7
Which type of muscle fiber is characterized by its high oxidative capacity, slow contraction speed, and resistance to fatigue?
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A
Type IIb
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B
Type IIa
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C
Type I
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D
All muscle fibers equally
8
The Valsalva maneuver, often used in strength training, involves:
-
A
Exhaling forcefully during exertion
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B
Holding one's breath during exertion
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C
Inhaling deeply after exertion
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D
Relaxing abdominal muscles during exertion
9
What is the typical range for VO2 max in elite male endurance athletes?
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A
30-40 ml/kg/min
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B
40-50 ml/kg/min
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C
70-85 ml/kg/min
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D
90-100 ml/kg/min
10
Which neurotransmitter is primarily involved in muscle contraction at the neuromuscular junction?
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A
Dopamine
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B
Serotonin
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C
Acetylcholine
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D
Norepinephrine
11
During steady-state aerobic exercise, the primary source of fuel for muscles shifts from predominantly carbohydrates to a greater reliance on which macronutrient as exercise duration increases?
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A
Protein
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B
Fats
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C
Micronutrients
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D
Water
12
What is the principle of reversibility in training, often referred to as the 'use it or lose it' principle?
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A
Adaptations to training are temporary and will be lost if training stops
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B
Training adaptations are permanent
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C
Training intensity must always increase
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D
Specific adaptations occur only with specific training
13
Which phase of the stretch-shortening cycle is characterized by the eccentric loading of a muscle?
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A
Amortization
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B
Concentric
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C
Eccentric
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D
Isometric
14
What is the physiological term for the body's ability to maintain a stable internal environment despite external changes?
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A
Allostasis
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B
Adaptation
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C
Homeostasis
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D
Metabolism
15
Which joint movement involves decreasing the angle between two bones at a joint?
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A
Abduction
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B
Extension
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C
Flexion
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D
Rotation
16
The Cori Cycle describes the metabolic pathway where lactate is converted to glucose in which organ?
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A
Skeletal Muscle
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B
Adrenal Gland
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C
Kidney
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D
Liver
17
What is the maximum heart rate formula most commonly used in exercise physiology for estimating an individual's theoretical maximum heart rate?
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A
220 - Age
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B
208 - (0.7 x Age)
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C
215 - Age
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D
190 - (0.5 x Age)
18
Which component of skill-related fitness refers to the ability to change the body's position effectively and efficiently?
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A
Agility
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B
Coordination
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C
Balance
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D
Power
