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L3 Anatomy and Physiology - Energy Systems

Total questions: 40

Worksheet time: 10hrs 32mins

Name
Class
Date
1.
Which energy system provides our immediate energy?
a)
ATP-PC
b)
Lactic Acid
c)
Aerobic
2.
Why might the lactic acid system be used for sprinting after 70 minutes?
a)
Because you have not got enough time to fully replenish PC stores.
b)
You become lazy and therefore don't use the PC system.
c)
Because you are so tired you can no longer sprint. 
d)
You are now working at a lower intensity than you was previously. 
3.

Cross country skiing could be an example to use which energy system?

a)

ATP-PC

b)

Lactic Acid

c)

Aerobic/oxidative

d)

None of the above

4.
What is the fuel for ATP-PC
a)
glucose
b)
phosphocreatine
c)
fatty acids
d)
fats
5.

Which energy system will be used for the shortest bout of exercise?

a)

ATP-PC

b)

Lactic Acid

c)

Aerobic

d)

None of the above

6.

ATP consists of the following:-

a)

Adrenaline, 2 phosphate molecules

b)

Adenosine, 2 phosphate molecules

c)

Adenosine, 3 phosphate molecules

d)

Adenosine, 4 phosphate molecules

7.

A 50 metre sprint would use which energy system?

a)

Aerobic

b)

ATP-PC

c)

Lactic Acid

d)

None of the above

8.

A marathon would use which of the energy systems?

a)

Aerobic

b)

ATP-PC

c)

Lactic Acid

d)

None of the above

9.

The body's main source of energy

a)

Protein

b)

Vitamins

c)

minerals

d)

Carbohydrates

10.

What are the three sources of calories?

a)

Carbohydrates, Proteins, and Sugars

b)

Proteins, Starches, and Sugars

c)

Fat, Proteins, and Amino Acids

d)

Carbohydrates, Proteins, and Fats

11.

Which 2 nutrients are good sources of ENERGY?

a)

Carbohydrates & Fats

b)

Vitamins & Minerals

c)

Minerals & Fats

d)

Water & Protein

12.

Which of these defines the word 'predominantly'?

a)

Taking place by itself / independently

b)

Done or existing alone

c)

Present as the strongest or main element

d)

More important than anything else

13.

What is the main function of the ATP - PC System during performance?

a)

To contribute additional energy for a burst of higher intensity work

b)

To assist in recovery

c)

To meet any energy demands

d)

To produce energy quickly

14.

What is the main function of the Aerobic System during performance?

a)

To contribute additional energy for a burst of higher intensity work

b)

To assist in recovery

c)

To meet any energy demands

d)

To produce energy quickly

15.

Which of these is the limiting factor of the ATP-PC System?

a)

Lactic acid

b)

CP

c)

Oxygen

d)

ATP

16.

The Lactic Acid System usually lasts for how long?

a)

0-10 seconds

b)

10 seconds - 2 minutes

c)

2 + minutes

d)

1 hour +

17.

Which of these is the limiting factor of the Lactic Acid System?

a)

Lactic acid

b)

CP

c)

Oxygen

d)

ATP

18.

What is the main function of the Lactic Acid System during performance?

a)

To contribute additional energy for a burst of higher intensity work

b)

To assist in recovery

c)

To meet any energy demands

d)

To produce energy quickly

19.

The ATP - PC System usually takes how long to replenish?

a)

10-14 seconds

b)

1-2 minutes

c)

30+ minutes

d)

12+ hours

20.

Energy systems work in which of the following ways?

a)

Together (all working to varying degrees)

b)

Independently (one at a time)

c)

Evenly (all working to the same degree)

d)

Sequentially (first, then second, then third)

21.

Muscular fatigue is caused by a build up of?

a)

Energy

b)

Glucose

c)

Lactic acid

d)

Oxygen

22.

Which of these defines the word 'replenish'?

a)

Return to a normal state of mind or strength after a period of exertion

b)

Resume (an activity) after an interruption

c)

Use up (resources or reserves) completely

d)

Restore (a stock or supply) to a former level or condition

23.

Which of the following is True?

a)

The Kreb's Cycle is the third stage of the aerobic system producing energy to resynthesise 2 ATP in the mitochondrial matrix

b)

The Kreb's Cycle is the second stage of the aerobic system producing energy to resynthesise 2 ATP in the mitochondrial matrix

c)

The Kreb's Cycle is the third stage of the anaerobic system producing energy to resynthesise 2 ATP in the mitochondrial matrix

d)

The Kreb's Cycle is the second stage of the anaerobic system producing energy to resynthesise 2 ATP in the mitochondrial matrix

24.
Where does glycolysis take place in cells?
a)
Cytoplasm
b)
Mitochondrion
c)
Endoplasmic Reticulum
d)
Ribosomes
25.
Glycolysis results in the net gain of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
26.
Glycolysis results in the total production of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
27.
Which of the following is not a requirement for glycolysis?
a)
Oxygen
b)
ATP
c)
NAD+
d)
Glucose
28.
Which enzyme adds a phosphate to F-6-P?
a)
PhosphoFructoKinase
b)
Hexokinase
c)
Aldolase
d)
Pyruvate Kinase
29.

Where does kreb cycle take place

a)

Mitochondrial matrix

b)

Inner mitochondrial membrane

c)

Cytoplasm

d)

Peri mitochondrial space

30.
The "regenerator" of the Krebs Cycle is:
a)
Oxaloacetate
b)
Acetyl-CoA
c)
Citrate
d)
α-Ketoglutarate
31.
Before entering Krebs Cycle, pyruvate is:
a)
Oxidized
b)
Reduced
c)
Isomerized to Acetyl-CoA
d)
Phosphorylated
32.
Prior to entering the Krebs Cycle, each pyruvate molecule loses electrons, hydrogen ions, and a carbon, forming an energy-rich molecule of
a)
Acetyl-CoA
b)
Citrate
c)
Oxaloacetate
d)
Malate
33.
After the Krebs Cycle only a small portion of the energy of glucose has been converted to ATP. At this point the majority of usable energy is contained in
a)
NADH and FADH2
b)
Carbon Dioxide 
c)
Acetyl-CoA
d)
Citrate
34.
What is a reactant for the electron transport chain?
a)
NADPH
b)
ATP
c)
Oxygen
d)
Water
35.
What is needed from the Krebs Cycle in order for the Electron Transport Chain to occur?
a)
ATP
b)
FADH2
c)
CO2
d)
H20
36.
What is a product of the Electron Transport Chain?
a)
CO2
b)
O2
c)
C6H1206
d)
H2O
37.

Which is the predominant energy system during HIIT training?

a)

ATP-PC system

b)

Lactic acid system

c)

Phosphocreatine system

d)

Aerobic system

38.

What is the main job of an enzyme?

a)

Act as a catalyst

b)

Break down things

c)

Build things

d)

Make energy

39.

What do we call the molecule(s) that the enzyme works on?

a)

superstrate

b)

enzymate

c)

lactate

d)

substrate

40.

What is the energy molecule for all living cells?

a)

ADP

b)

ATP

c)

Protein

d)

Sugars