Which of the following medications are considered to be Class III ...

[erika]

Which of the following medications are considered to be Class III antiarrhythmic drugs? Select all that apply.
 
  a. Amiodarone
  b. Ibutilide
  c. Propranolol
  d. Esmolol
  e. Sotalol
  f. Acebutolol

Question 2

A health care provider is performing an initial assessment on a patient receiving phenytoin (Di-lantin). Which of the following adverse effects may occur with use of this medication?
 
  a. Drowsiness, confusion, and aphasia
  b. Nystagmus, ataxia, and gingival hyperplasia
  c. Dry mouth, blurred vision, and urinary retention
  d. Lightheadedness, dizziness, and nausea

[ashely1112]

Answer to Question 1

ANS: A, B, E
Class III antiarrhythmic drugs include amiodarone, ibutilide, and sotalol. Propranolol, esmolol, and acebutolol are all class II antiarrythmics.

Answer to Question 2

ANS: B
The most common adverse effects of phenytoin include nystagmus, ataxia, diplopia, gingival hy-perplasia, nausea, hypotension, hypertrichosis, and skin rashes. Life-threatening adverse effects include aplastic anemia, agranulocytosis, and Stevens-Johnson syndrome.