The nurse is serving as a preceptor for new nurse on the unit. The preceptor is assessing the new ...

The nurse is serving as a preceptor for new nurse on the unit. The preceptor is assessing the new nurse's understanding of antidysrhythmic drugs.
 
  Which statement made by the new nurse about the use of antidysrhythmic drugs best demonstrates correct understanding? a. It is best to use as low a dose as possible of the drugs to reduce the risk of dys-rhythmias.
  b. To be effective, these drugs must be used in high doses.
  c. Many patients may have a hypersensitivity to these drugs.
  d. These drugs can actually worsen existing dysrhythmias or cause new dysrhyth-mias.