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Muscular System Quiz

Total questions: 11

Worksheet time: 10mins

Name
Class
Date
1.

What are the types of muscle tissues and what are their key features?

4 lines
2.

What protein makes up the thick filaments?

a)

Troponin

b)

Tropomyosin

c)

Myosin

d)

Actin

3.

Which thin filament protein bind to Ca during muscle contraction?

a)

Actin

b)

Myosin

c)

Troponin

d)

Tropomyosin

4.

The location where the motor neuron reaches the sarcolemma of the muscle fiber is the_________.

a)

Neurotransmitter

b)

Acetylcholine

c)

Synaptic Cleft

d)

Neuromuscular Junctions

5.

Explain the sliding filament theory.

4 lines
6.

The entire process pictured here is known as:

a)

Sliding Filament Theory

b)

Orange Theory

c)

The Theory of Filament Sliding & Contraction

d)

Muscle Contraction Theory & Development

7.

What happens to the sarcomere during muscle contraction according to the sliding filament theory?

a)

It lengthens

b)

It shortens

c)

It remains the same length

d)

It disintegrates

8.

Which two proteins are primarily involved in the sliding filament mechanism?

a)

Troponin and tropomyosin

b)

Myosin and actin

c)

Collagen and elastin

d)

Keratin and fibrin

9.

When a muscle contracts, it ____________

a)

gets longer

b)

gets shorter

c)

gets thinner

d)

grows hair

10.

ability of muscle to shorten and produce tensions at its ends

a)

contractibility

b)

excitability

c)

elasticity

d)

extensibility

11.

Which muscle contraction results from a high amount of Ca still remaining in the muscle

a)

Treppe

b)

Tetanus

c)

Muscle Energy

d)

Metabolism