Calcium channel blockers affect the sinoatrial (SA) node by:
A) slowing depolarization and decreasing the heart rate.
B) slowing repolarization and decreasing the heart rate.
C) increasing depolarization and increasing the heart rate.
D) increasing repolarization and increasing the heart rate.
Correct Answer:
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Q20: What type of pattern would one expect
Q21: In the context of calcium channel blockers,how
Q22: Which of the following is an example
Q23: All of these drugs slow atrioventricular (AV)conduction
Q24: Which of the following drugs is preferred
Q26: A potentially fatal problem that can occur
Q27: Class 3 antiarrhythmic drugs work by blocking
Q28: What is the primary mechanism of action
Q29: Atropine is used to treat sinus bradycardia
Q30: _ refers to a type of arrhythmia
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