Author Question: How would the nurse expect calcium channel blockers to physiologically affect the function of the ... (Read 18 times)

craiczarry

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How would the nurse expect calcium channel blockers to physiologically affect the function of the heart?
 
  1. Increase the rate
  2. Decrease coronary perfusion
  3. Increase the force of contraction
  4. Decrease AV nodal conduction

Question 2

A patient is started on nifedipine (Procardia) concurrently with a beta blocker for hypertension. The rationale for concurrent use of a beta blocker is to produce which of the following effects?
 
  a. Decreased flushing
  b. Prevention of constipation
  c. Prevention of reflex tachycardia
  d. Increased cardiac effects



Ksanderson1296

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Answer to Question 1

Correct Answer: 4

Answer to Question 2

ANS: C
Beta blockers are combined with nifedipine to prevent reflex tachycardia.
Beta blockers do not reduce flushing or prevent constipation.
Beta blockers can reduce the adverse cardiac effects of nifedipine.



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