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Muscular System Test

Total questions: 18

Worksheet time: 10mins

Name
Class
Date
1.

How many skeletal muscles does our body have?

a)

64

b)

604

c)

640

d)

710

2.

What are the three types of muscle tissue?

a)

Smooth, Rough, Dense

b)

Irregular, Dense, Smooth

c)

Skeletal, Cardiac, Smooth

d)

Skeletal, Cardiac, Rough

3.

What are the four functional groups of skeletal muscles?

a)

Protagonist, Antagonist, Energetic, Primary

b)

Primary, Agonist, Synergists, Fixed

c)

Prime Mover, Antagonist, Fixator, Synergist

4.

Synergists muscles can either stabilize or give extra "oomph"?

a)

True

b)

False

5.

Antagonist muscles work in the same direction as prime mover muscles.

a)

True

b)

False

6.

A group of muscle fibers that get their signal from the same motor neuron is called a

a)

Cluster unit

b)

Shared unit

c)

Motor unit

7.

During the contraction phase, the myosin heads are binding and pulling and releasing over and over.

a)

True

b)

False

8.

The stimulus has arrived, but no force is being produced during the

a)

Relaxation phase/period

b)

Latent phase/period

c)

Contraction phase/period

9.

During the relaxation phase/period, what gets pumped back into the sarcoplasmic reticulum?

a)

ADP

b)

Phosphate

c)

Calcium

d)

ATP

10.

What helps our nervous system and muscles to understand how much force we need to pick up a glass of water vs a bucket of water?

a)

Neuron Intensity

b)

Action Potential Frequency

c)

Graded Muscle Responses

11.

What feature of our muscular system allows us to grip something with the appropriate strength?

a)

Tetanus

b)

Twitches

c)

Recruitment

12.

In an isotonic contraction, the muscle length does not change.

a)

True

b)

False

13.

What are the regulatory (bodyguard) proteins?

a)

ADP and ATP

b)

Actin and Myosin

c)

Troponin and Tropomyosin

14.

The model of muscle movement is called

a)

Sliding Action Model

b)

Action Potential Model

c)

Sliding Filament Model

d)

Action Contraction Model

15.

Myofibrils are divided into segments called

a)

Reticulum

b)

Myofilament

c)

Sarcomeres

16.

In the sequence of muscle movement, what acts as the calcium pump?

a)

Sarcoplasmic Reticulum

b)

Myofibrils

c)

Adenosine Triphosphate

17.

Muscles turn this type of energy into mechanical energy

a)

Latent Energy

b)

ATP Energy

c)

Chemical Potential Energy

d)

Contraction Energy

18.

What are the two proteins responsible for voluntary and involuntary muscle movement?

(a)