Multiple Choice
A reduction in extracellular Ca2+ levels would lead to
A) increased force of cardiac muscle contraction due to increased interactions between actin and myosin.
B) decreased force of cardiac muscle contraction due to a lack of release of Ca2+ from the sarcoplasmic reticulum.
C) heart block due to depolarization of the sarcolemma.
D) heart block due to hyperpolarization of the sarcolemma.
Correct Answer:
Verified
Correct Answer:
Verified
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