Energy System Interplay 2

1.

Multiple Choice

2 mins

1 pt

Lactate Inflection Point can occur when an athlete

exercises at submaximal intensity.

fails to improve their lactate tolerance.

depletes their muscle and liver glycogen stores.

exceeds their VO2 maximum.

2.

Multiple Choice

2 mins

1 pt

With regard to ATP production, the:

ATP-PC energy system has the highest yield and slowest rate.

Anaerobic Glycolysis energy system has the lowest yield and highest rate.

Aerobic Glycolysis has the highest yield and lowest rate.

Aerobic Lipolysis has the highest yield and lowest rate.

3.

Multiple Choice

2 mins

1 pt

Which of the following is a situation when anaerobic glycolysis would NOT be the dominant source of energy?

In a 400 metre race

In the red blood cells

When a marathon runner approaches the finish line

Anaerobic Glycolysis would be dominant in all of the situations above

4.

Multiple Choice

2 mins

1 pt

Which of the following correctly outlines a change that would occur at the commencement of exercise?

Decreased Lactic Acid

Increased Inorganic Phosphates (Pi)

Increased PC stores

None of the above

5.

Multiple Choice

2 mins

1 pt

Which of the following fuels takes the longest to deplete?

Intramuscular ATP

Phosphocreatine (PC)

Glycogen

Water

6.

Multiple Choice

2 mins

1 pt

A Centre player for Netball spends 34% of the time working at maximal effort and 66% of the time resting (work to rest ration is 1:2). The Dominant Energy System during work time for the Centre Player is

The ATP-PC System

The Anaerobic Glycolysis System

The Aerobic Energy System

Both the ATP-PC System and the Anaerobic Glycolysis System

7.

Multiple Choice

2 mins

1 pt

During a 5km run what is the most likely cause of fatigue?

Depletion of PC

Accumulation of metabolic by-products such as hydrogen ions

Depletion of glycogen

None of the above

8.

Multiple Choice

2 mins

1 pt

The Lactate Inflection Point, or LIP, is:

The point at which lactate production exceeds removal

The point beyond which lactate production exceeds removal

The point after lactate production exceeds removal

The accumulation of lactate in the blood

9.

Multiple Choice

2 mins

1 pt

Our body uses 3 energy systems to produce ATP—aerobic, anaerobic glycolysis, and ATP-CP. These 3 energy systems are able to generate ATP at different rates as well as different yields. Which of the following statements is true in regards to the rate and yield of ATP production?

The ATP-PC system has the fastest rate of ATP production, as well as the largest yield relative to the other energy systems.

Fat metabolised by the aerobic energy system has the slowest rate of ATP production, but can produce the largest yield relative to the anaerobic energy systems

Anaerobic glycolysis produces more ATP from a glucose molecule than aerobic glycolysis.

Anaerobic glycolysis has a faster rate of ATP production than the ATP-PC system

10.

Multiple Choice

2 mins

1 pt

A 100-metre runner completes a race in less than 10 seconds. What is the most likely cause of fatigue for this runner?

depletion of intramuscular glycogen stores

accumulation of hydrogen ions

depletion of creatine phosphate stores

dehydration

11.

Multiple Choice

2 mins

1 pt

Aerobic glycolysis is the most efficient energy system in generating ATP for muscle activity. The net gain of ATP molecules produced due to the breakdown of glycogen is:

26 - 28

34 - 36

36 - 38

46 - 48

12.

Multiple Choice

2 mins

1 pt

The by-products of the aerobic energy system include

lactic acid, water and energy for ATP resynthesis.

lactic acid, water and carbon dioxide

carbon dioxide, water and energy for ATP resynthesis.

carbon dioxide, water and lactic acid.

13.

Multiple Choice

2 mins

1 pt

The most likely cause of fatigue for a 1500 m runner is

dehydration.

glycogen depletion.

metabolic by-product accumulation

elevated body temperature.

14.

Multiple Choice

2 mins

1 pt

Which of the following are examples of FOOD fuels that, when broken down, can provide energy for ATP resynthesis?

carbohydrates, creatine phosphate and fats

creatine phosphate, adenosine diphosphate and carbohydrates

protein, carbohydrates and fats

creatine phosphate, fats and protein

15.

Multiple Choice

2 mins

1 pt

Nutrition can be used to help speed up recovery post-exercise. Ingestion of both carbohydrate (CHO) and protein is important to allow

fast triglyceride and electrolyte restoration.

fast protein restoration and slow CHO restoration.

fast CHO and protein restoration simultaneously.

fast CHO restoration and slow protein restoration.

16.

Multiple Choice

2 mins

1 pt

During a passive recovery, the main objective of the athlete is to

eliminate waste products such as hydrogen ions from the body

restore ATP and CP to pre-exercise levels.

break down lactic acid into pyruvate and hydrogen ions.

restore blood glucose to an optimal level.

17.

Multiple Choice

2 mins

1 pt

Out of the following activities performed at maximal intensity, select the one with the highest percentage contribution of energy from the ATP–PC system.

100-metre sprint

long jump

50-metre swim

discus throw

18.

Multiple Choice

2 mins

1 pt

Hypoglycaemia, often referred to as “hitting the wall”, is responsible for a decrease in performance and it occurs when

muscle glycogen stores deplete.

liver glycogen stores deplete.

blood glucose levels deplete.

protein becomes the major fuel supplier.

19.

Multiple Choice

2 mins

1 pt

By-products of the ATP-PC system include

ADP, inorganic phosphate, creatine

AMP, inorganic phosphate, H+ accumulation.

ADP, lactic acid, water

ATP, heat, creatine phosphate.

20.

Multiple Choice

2 mins

1 pt

The most likely cause of fatigue in an athlete competing in a 200m athletics event on a very hot 40 degree Celsius day would be

neural transmitter tiredness.

depletion of muscle glycogen.

decreased muscle pH levels.

dehydration.

21.

Multiple Choice

2 mins

1 pt

The rate of ATP production and the amount of ATP produced by each of the three energy systems is different. Which of the following is true for the aerobic energy system?

Fast rate, high yield

Slow rate, low yield

Fast rate, low yield

Slow rate, high yield

22.

Multiple Choice

2 mins

1 pt

Which of the following metabolic by-products is NOT believed to be implicated in causing muscular fatigue?

Inorganic phosphate (Pi)

Lactate

Hydrogen ions (H+)

Adenosine diphosphate (ADP)

23.

Multiple Choice

2 mins

1 pt

Recovery after exercise can take the form of either a passive recovery or an active recovery. Which of the following would be best aided by an athlete undertaking a passive recovery?

Replenishment of muscle glycogen stores.

Replenishment of liver glycogen stores

Removal of accumulated hydrogen ions from muscle tissue.

Replenishment of muscle phosphocreatine stores

24.

Multiple Choice

2 mins

1 pt

Which of the following statements is INCORRECT in relation to fats and their role in the body?

Meat products, dairy products and many processed foods are rich sources of fats

Fats are predominately utilised while at rest and during low-intensity activity such as walking.

The aerobic metabolism of a given amount of fats requires less oxygen than the aerobic metabolism of a similar amount of glycogen.

Fat is transported in the blood in the form of FFA.

25.

Multiple Choice

2 mins

1 pt

In which of the following athletic running events at the 2012 London Olympics would the competitors be expected to use a relatively even contribution from the anaerobic and aerobic energy sources?

1500 metres

100 metres

10,000 metres

400 metres

26.

Multiple Choice

2 mins

1 pt

What is the fuel for ATP-PC

glucose

phosphocreatine

fatty acids

fats

27.

Multiple Choice

2 mins

1 pt

Where does the krebs cycle occur?

sarcoplasm

mitochondria

muscles

lactate

28.

Multiple Choice

2 mins

1 pt

ATP breaks down to release energy for muscle contraction. It then turns into:

Adenosine Monophosphate

Adenosine Triphosphate

Adenine

Adenosine Diphosphate

29.

Multiple Choice

2 mins

1 pt

The anaerobic glycolysis system of providing energy:

(Cambridge Checkpoints 2019).

uses only carbohydrates

is associated with submaximal exercise.

produces relatively few ATP molecules.

is activated two minutes after the onset of maximal exercise.

30.

Multiple Choice

2 mins

1 pt

Carboyhydrates require

less oxygen than fats to break down.

more time than proteins to break down.

more oxygen than proteins to break down.

more time than fats to break down.

31.

Multiple Choice

2 mins

1 pt

Energy System interplay refers to:

All three energy systems working together.

One energy system providing more energy than the other two systems at any point in time.

Three energy systems working together and one kicking in as the others drop off.

The PC system providing most energy first, then the anaerobic glycolysis system and then the aerobic energy system.

32.

Multiple Choice

2 mins

1 pt

Which one of the above shows the correct information about the fuels used in ATP production.

A

B

C

D

33.

Multiple Choice

2 mins

1 pt

The aerobic system provides ATP during recovery. Which food fuel would be the main contributor to ATP production during extended rest periods?

Lipids

Protein

Creatine

Carbohydrates

34.

Multiple Choice

2 mins

1 pt

Fats are the primary fuel source of energy at: (VCAA 2016 Exam)

60% of VO2 max.

70% of VO2 max.

80% of VO2 max.

90% of VO2 max.

35.

Multiple Choice

2 mins

1 pt

The ATP-PC system is utilised during what exercise intensity?

Sub-maximal intensity (<85% MHR)

High Intensity (85% MHR)

High Intensity (95% MHR)

At rest

36.

Multiple Choice

2 mins

1 pt

The anaerobic glycolysis system achieves peak power during which time frame?

2-4 seconds

5-15 seconds

15-60 seconds

over 75 seconds

37.

Multiple Choice

2 mins

1 pt

An elite 3000m runner would predominantly use which energy system during a race?

ATP-PC Energy System

Anaerobic Glycolysis Energy System

Aerobic Energy System

38.

Multiple Choice

2 mins

1 pt

Which would be the dominant energy system in this physical activity?

ATP-PC System

Anaerobic Glycolysis System

Aerobic System

ATP system

39.

Multiple Choice

2 mins

1 pt

Which of the following does NOT occur when working at or above the lactate inflection point (LIP)?

Ventilation rate increases

Pain levels increase

Blood lactate levels decrease

Fatigue sets in

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