Muscle Contraction Quiz

Muscle Contraction Quiz

Assessment

Interactive Video

Biology

10th - 12th Grade

Hard

Created by

Jennifer Brown

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What initiates the muscle contraction process?

A signal from the brain

A signal from the heart

A signal from the lungs

A signal from the stomach

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What neurotransmitter is released at the neuromuscular junction?

GABA

Acetylcholine

Serotonin

Dopamine

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when acetylcholine binds to its receptors on the muscle fiber?

Chloride ions enter the muscle fiber

Calcium ions enter the muscle fiber

Sodium ions enter the muscle fiber

Potassium ions enter the muscle fiber

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of calcium ions in muscle contraction?

They bind to actin

They bind to tropomyosin

They bind to troponin

They bind to myosin

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What structural change occurs when calcium binds to troponin?

Troponin is removed from the actin filament

Troponin covers the actin filament

Tropomyosin is removed from the myosin binding site

Tropomyosin covers the myosin binding site