Energy Systems in Physical Education: Learn about ATP Production Pathways

Question 1

Which of the following is a limitation of the ATP-PC energy system?

Accepted Answer

Depletes quickly

Answer

Can only be used for low-intensity activities

Answer

Requires large amounts of oxygen

Answer

Inhibits aerobic metabolism

Question 2

Which physical activity primarily utilizes the ATP-PC energy system?

Accepted Answer

Sprinting

Answer

Jogging

Answer

Cycling

Answer

Weightlifting

Question 3

Which of the following is NOT a characteristic of aerobic metabolism?

Accepted Answer

Results in the production of lactic acid

Answer

Requires oxygen

Answer

Produces ATP continuously over an extended period

Answer

Can sustain low-intensity activities

Question 4

What is the primary substrate for ATP production during aerobic metabolism?

Accepted Answer

Carbohydrates (glucose and glycogen)

Answer

Fats

Answer

Proteins

Answer

Creatine phosphate

Question 5

Which of the following tests can be used to measure the anaerobic capacity of an individual?

Accepted Answer

Wingate Anaerobic Test

Answer

VO2 max test

Answer

Grip strength test

Answer

Flexibility test

Question 6

How does training affect the energy systems?

Accepted Answer

It improves the efficiency and capacity of both the aerobic and anaerobic systems.

Answer

It increases the capacity of the aerobic system only.

Answer

It decreases the reliance on the anaerobic systems.

Answer

It has no effect on the energy systems.

Question 7

Which of the following is the main energy currency used by cells?

Accepted Answer

ATP

Answer

Glucose

Answer

Creatine phosphate

Answer

Oxygen

Question 8

What is the final product of anaerobic glycolysis?

Accepted Answer

Lactate

Answer

Pyruvate

Answer

Acetyl CoA

Answer

ATP

Question 9

Can energy system training improve an individual's physical performance?

Accepted Answer

Yes

Answer

No

Question 10

Which sport primarily relies on the creatine phosphate energy system?

Accepted Answer

Weightlifting

Answer

Marathon running

Answer

Swimming

Answer

Cycling

Question 11

The process of breaking down glucose into pyruvate is called:

Accepted Answer

Glycolysis

Answer

Krebs cycle

Answer

Gluconeogenesis

Answer

Lipolysis

Question 12

The anaerobic threshold is characterized by:

Accepted Answer

Lactic acid production exceeding its removal

Answer

Maximum oxygen consumption

Answer

Depletion of muscle glycogen

Answer

Rise in body temperature

Question 13

Which training method can improve the aerobic energy system?

Accepted Answer

Interval training

Answer

Plyometrics

Answer

Resistance training

Answer

Stretching

Question 14

The Bohr effect describes:

Accepted Answer

Increased oxygen affinity of hemoglobin at lower pH

Answer

Decreased oxygen affinity of hemoglobin at higher pH

Answer

Binding of carbon dioxide to hemoglobin

Answer

Release of oxygen from hemoglobin at higher temperatures

Question 15

Which of the hormones listed below is NOT involved in regulating blood glucose levels during exercise?

Accepted Answer

Progesterone

Answer

Insulin

Answer

Glucagon

Answer

Epinephrine

Question 16

Which type of physical activity requires the most rapid rate of ATP production?

Accepted Answer

Sprinting

Answer

Cycling at a moderate pace

Answer

Marathon running

Answer

Weightlifting

Question 17

What is the primary substrate used in anaerobic glycolysis in humans?

Accepted Answer

Glucose

Answer

Fatty acids

Answer

Amino acids

Answer

Ketone bodies

Question 18

What is the role of phosphocreatine in energy production?

Accepted Answer

To provide a short-term burst of ATP

Answer

To convert ADP to ATP

Answer

To store glucose

Answer

To transport oxygen

Question 19

What is the primary energy source for the brain under normal conditions?

Accepted Answer

Glucose

Answer

Fatty acids

Answer

Ketone bodies

Answer

Amino acids

Question 20

Which factor does NOT impact the body's energy system selection during exercise?

Accepted Answer

Surrounding temperature

Answer

Exercise intensity

Answer

Exercise duration

Answer

Individual's fitness level

Question 21

Which of the following is the primary energy substrate utilized for ATP production during muscle contraction in the anaerobic alactic system?

Accepted Answer

Creatine phosphate

Answer

Glucose

Answer

Glycogen

Answer

Fatty acids

Question 22

What is the maximal rate at which ATP can be resynthesized via the aerobic system?

Accepted Answer

12-16 moles/min

Answer

1-2 moles/min

Answer

6-8 moles/min

Answer

20-24 moles/min

Question 23

What is the primary end product of anaerobic metabolism in the absence of sufficient oxygen?

Accepted Answer

Lactate

Answer

Pyruvate

Answer

Acetyl-CoA

Answer

Carbon dioxide

Question 24

Which of the following is NOT a characteristic of slow-twitch muscle fibers?

Accepted Answer

High power output

Answer

High fatigue resistance

Answer

Predominant use of aerobic metabolism

Answer

Large glycogen stores

Question 25

What is the primary function of creatine phosphate in relation to energy metabolism?

Accepted Answer

To serve as a rapid source of ATP for muscle contraction

Answer

To replenish ATP stores via the electron transport chain

Answer

To convert pyruvate to lactate

Answer

To regulate blood glucose levels

Question 26

Which of the following activities primarily relies on the anaerobic lactic system for energy production?

Accepted Answer

100-meter sprint

Answer

Marathon running

Answer

Cycling time trial

Answer

Weightlifting

Question 27

Which of the following statements about the Krebs cycle is correct?

Accepted Answer

It occurs in the mitochondria and produces carbon dioxide as a byproduct

Answer

It is an aerobic process that exclusively generates ATP

Answer

It involves the breakdown of glucose into pyruvate

Answer

It is the final step in anaerobic metabolism

Question 28

What is the primary purpose of glycolysis in energy metabolism?

Accepted Answer

To generate ATP and pyruvate for further metabolism

Answer

To convert glycogen into glucose

Answer

To produce NADH for the electron transport chain

Answer

To synthesize creatine phosphate

Question 29

Which of the following is NOT a primary pathway for ATP production in humans?

Accepted Answer

Photosynthesis

Answer

Aerobic metabolism

Answer

Anaerobic metabolism

Answer

Glycolysis

Question 30

Which of the following activities would primarily rely on anaerobic glycolysis for energy production?

Accepted Answer

100-meter sprint

Answer

Cycling at a moderate pace

Answer

Weightlifting

Answer

Marathon running

Question 31

Which of the following is NOT a potential consequence of intense exercise on the anaerobic energy system?

Accepted Answer

Increase in mitochondrial activity

Answer

Muscle fatigue

Answer

Accumulation of lactic acid

Answer

Decrease in pH

Question 32

What is the primary end product of anaerobic glycolysis?

Accepted Answer

Lactate

Answer

Pyruvate

Answer

Carbon dioxide

Answer

Water

Question 33

Which enzyme is responsible for catalyzing the breakdown of glycogen into glucose-1-phosphate?

Accepted Answer

Glycogen phosphorylase

Answer

Glycogen synthase

Answer

Glucose-6-phosphatase

Answer

Pyruvate kinase

Question 34

What is the fundamental difference between aerobic and anaerobic metabolism?

Accepted Answer

Aerobic metabolism requires oxygen, whereas anaerobic metabolism does not.

Answer

Anaerobic metabolism produces more energy than aerobic metabolism.

Answer

Aerobic metabolism results in the production of lactate, while anaerobic metabolism does not.

Answer

Anaerobic metabolism is more efficient than aerobic metabolism.

Question 35

Which of the following physical activities primarily relies on the anaerobic alactic energy system?

Accepted Answer

Sprinting

Answer

Long-distance running

Answer

Cycling

Answer

Swimming

Question 36

What is the primary function of creatine phosphate in energy metabolism?

Accepted Answer

Provides a rapid, short-term supply of energy to muscle cells

Answer

Converts glucose into pyruvate

Answer

Stimulates the production of ATP

Answer

Buffers hydrogen ions produced during anaerobic metabolism

Question 37

What is the main purpose of the ATP-PCr energy system?

Accepted Answer

To generate ATP rapidly for brief, intense physical activities

Answer

To produce ATP through the breakdown of glycogen

Answer

To recycle lactate back into pyruvate

Answer

To provide a sustained supply of energy for prolonged exercise

Question 38

Which of the following is the primary energy source for low-intensity, prolonged exercise lasting over 2 minutes?

Accepted Answer

Aerobic metabolism

Answer

Creatine phosphate

Answer

Anaerobic metabolism

Answer

Anaerobic glycolysis

Question 39

What is the purpose of the Cori cycle?

Accepted Answer

Convert lactate back to glucose

Answer

Produce ATP

Answer

Store glucose

Question 40

Which energy system is mainly used during the initial 10 seconds of a sprint?

Accepted Answer

Creatine phosphate

Answer

Aerobic metabolism

Answer

Anaerobic glycolysis

Answer

Oxidative phosphorylation

Question 41

What is the estimated duration of the anaerobic alactic energy system?

Accepted Answer

Up to 10 seconds

Answer

10-30 seconds

Answer

Over 2 minutes

Answer

30-60 seconds

Question 42

What is the main substrate used for ATP production during the initial 30 seconds of intense exercise?

Accepted Answer

Creatine phosphate

Answer

Triglycerides

Answer

Glycogen

Answer

Glucose

Question 43

What is the primary role of mitochondria in energy metabolism?

Accepted Answer

Oxidative phosphorylation

Answer

Glycogen breakdown

Answer

ATP storage

Answer

Creatine phosphate production