CCMA Muscular System Review

Question 1

What does the neurotransmitter released from vesicles in the motor neuron, and changes the permeability of the sarcolemma?

Answer 1

Acetylcholine

Question 2

Substance responsible for temporarily changing the permeability of the muscle cell membrane to ions

Answer 2

Acetylcholine (ACh)

Question 3

What is used to help myosin heads release from actin?

Answer 3

ATP

Question 4

Calcium is stored in the

Answer 4

Sacroplasmic Reticulum

Question 5

The gap between the motor neuron and the muscle fiber it supplies at the neuromuscular junction is called the

Answer 5

Synaptic Cleft

Question 6

What restores the resting potential?

Answer 6

Sodium-Potassium Pump