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Lactic acid System

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

What is the Fuel for the Lactic Acid system?

a)

Glycogen

b)

ATP

c)

PC

d)

FATTY ACID

2.

What is the name of the enzyme that breaks down Glycogen?

a)

ATPASE

b)

CREATINE KINASE

c)

GLYCOGEN PHOSPHORYLASE

d)

PHOSPHFRUCTOKINASE

3.

What is the energy yield for the lactic acid system?

a)

2:2

b)

1:1

c)

1:2

d)

1:3

4.

What is the name given to the enzyme that breaks down glucose into pyruvic acid?

a)

creatine kinase

b)

Atpase

c)

Glycogen Phosphorylase

d)

Phosphofructokinase

5.

Without the presence of O2, pyruvic acid is converted into...

a)

Energy

b)

Lactic Acid

c)

Glucose

d)

Citric Acid

6.

The Enzyme responsible for converting pyruvic acid into lactic acid is..

a)

LDH

b)

PFK

c)

GPP

d)

ATPASE

7.

The reactions of the lactic acid system takes place at which site?

a)

Sarcoplasm

b)

Matrix

c)

Cristae

d)

Myoglobin

8.

The lactic acid system is what type of reaction?

a)

Aerobic

b)

Endothermic

c)

Anaerobic

d)

Coupled

9.

The Lactic acid systems lasts between ...

a)

2-10 seconds

b)

30 seconds - 3 minutes

c)

1-2 hours

d)

90 seconds

10.

Lactic acid is a ...

a)

Fatiguing byproduct

b)

Fuel

c)

Hormone

d)

Steroid

11.

What activity would the lactic acid be the predominant energy system for?

a)

100m Sprint

b)

Marathon

c)

Tour de france

d)

400m sprint