Question

in response to an action potential entering the neuron, calcium ions diffuse from the sarcolemma into the sarcoplasm. true or false

Explanation:

When an action potential enters a muscle - related neuron (in the context of muscle contraction), calcium ions are released from the sarcoplasmic reticulum, not from the sarcolemma into the sarcoplasm. The sarcolemma is the cell membrane of the muscle cell.

Answer:

False