NU 578 UNIT EXAM 3 PREP
QUESTIONS AND ANSWERS
A 76-year-old retired postal worker with rheumatoid arthritis and chronic heart disease
presents with a cardiac arrhythmia and is being
considered for treatment with procainamide. She is already receiving an ACE inhibitor, digoxin,
and hydrochlorot...
A 54-year-old airline pilot is admitted to the emergency department with chest pain and a rapid
heart rhythm. The ECG shows an inferior myocardial infarction and ventricular tachycardia.
Amiodarone is ordered. Amiodarone - Answer✔✔-(A) Decreases PR interval in normal sinus
rhythm
(B) Increases action potential duration
(C) Increases contractility
(D) Often causes liver function abnormalities
(E) Reduces resting potential
The answer is B
A 36-year-old woman with a history of poorly controlled thyrotoxicosis has recurrent episodes
of tachycardia with severe shortness of breath. During elective surgery to remove her thyroid,
she develops a heart rate of 200 with a slightly decreased blood pressure. Which of the
following drugs would be most suitable? - Answer✔✔-(A) Amiodarone
(B) Disopyramide
(C) Esmolol
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