Which statement is NOT true of the electrical events at the sarcolemma?
A) During polarization there is a positive charge outside.
B) Depolarization creates a reversal of charges.
C) Repolarization involves the outflow of potassium ions.
D) Depolarization is stimulated by cholinesterase.
Correct Answer:
Verified
Q89: In the sliding filament mechanism of muscle
Q90: The units of contraction within a muscle
Q91: During a state of polarization, _ ions
Q92: In a muscle fiber, myosin and actin
Q93: The sarcoplasmic reticulum of a muscle fiber
Q95: During repolarization:
A)sodium ions rush into the cell
B)potassium
Q96: Within a sarcomere, the contracting proteins are:
A)myosin
Q97: In a muscle fiber, calcium ions are
Q98: The effect of acetylcholine on the sarcolemma
Q99: In a muscle fiber, the Z lines
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