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Exercise Metabolism

Total questions: 20

Worksheet time: 9mins

Name
Class
Date
1.

Anaerobic system can also be known as ?

a)

Oxidative system

b)

Lactic Acid system

c)

resynthesis

d)

phosphocreatine

2.

Energy from this system is supplied very quickly, but lasts less than 10 seconds.

a)

Anaerobic system

b)

Aerobic system

c)

muscle glycogen

d)

phosphocreatine

3.

The process when our body uses ATP, in order to release energy from the molecule for exercise, it breaks off the end Phosphate molecule is called ?

a)

Hydrolysis

b)

Hydration

c)

Hydrophosphate

d)

Hydrogenesis

4.

What is the principal molecule for storing and transferring energy in cells?

a)

muscle glycogen

b)

Adenosine Diphosphate

c)

Adenosine triphosphate

d)

phosphorylation

5.

What is the dominant energy system for prolonged bouts of exercise and day-to-day living?

a)

aerobic system

b)

phosphocreatine

c)

anaerobic system

d)

lactic acid system

6.

What systems provide fast energy for the body?

a)

Phosphocreatine and Aerobic

b)

Phosphocreatine and Anaerobic

c)

Aerobic and Anaerobic

d)

all of the above

7.

Approximately, how long can Anaerobic system last?

a)

80 seconds

b)

70 seconds

c)

60 seconds

d)

90 seconds

8.

What energy system does not rely on nutrition?

a)

Phosphocreatine

b)

Oxidative system

c)

Anaerobic system

d)

Aerobic system

9.

We have only ____ seconds of ATP stored in our body, but when we use it, we turn on our body’s energy systems to start making ATP.

a)

5

b)

2

c)

3

d)

4

10.

All are correct, except one.

With continued high-intensity exercise the Adenosine Triphosphate-Phosphocreatine system quickly _____.

a)

depletes

b)

reduce

c)

sustain

d)

lower

11.

The citric acid cycle or krebs cycle involves how many chemical reactions?

a)

6

b)

8

c)

10

d)

4

12.

In what situation would an athlete use the aerobic system?

a)

The athlete was running a 400-meter race

b)

The athlete was throwing a discus

c)

The athlete was performing a gymnastics parallel bars routine

d)

The athlete was running a 1500-meter race

13.

It is a series of chemical reactions that rearrange molecules and release H+ ions.

a)

Krebs cycle

b)

Hydrolysis

c)

Electron Transport System (ETS)

d)

Metabolism

14.

What type of energy system provides energy for activities that don’t need ATP at very high rates but lasts for a long period of time?

a)

ATP-PC

b)

Oxidative (aerobic system)

c)

Anaerobic glycolysis

d)

Lactic Acid System

15.

What is VO2max?

a)

Volume of oxygen

b)

Maximum amount of oxygen we can use

c)

Difference between what oxygen we need and what we get

d)

Both Option 1 and 2

16.

Which is the correct way to show VO2max?

a)

ml

b)

ml/min

c)

ml/kg

d)

ml/kg/min

17.

Our breathing rate increases and you start to breathe heavily, this happens because

a)

We have started to perform a physical activity

b)

Our muscles need more oxygen so you breathe deeper and quicker so as a supply of oxygen can get to the muscles.

c)

To breakdown lactic acid and replenish energy supplies

d)

you are lacking of oxygen

18.

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

a)

ATP-PC Energy System

b)

Anaerobic Gycolysis Energy System

c)

Phosphorylation

d)

Aerobic Energy System

19.

The energy system used for a particular activity will depend on the:

a)

Duration of the activity

b)

Intensity of the activity

c)

Both of the above

20.

Anaerobic exercises require __________________ whereas aerobic exercises require ____________________.

a)

No oxygen, oxygen

b)

Oxygen, no oxygen

c)

No energy, energy

d)

Energy, no energy