Author Question: Dobutamine is useful in congestive heart failure because: a. It causes less increase in heart ... (Read 59 times)

melina_rosy · **on:** Jul 3, 2018

Dobutamine is useful in congestive heart failure because:

a. It causes less increase in heart rate than other sympathomimetics
b. It is less expensive than dopamine
c. It may be given as a single-dose bolus
d. Other medications are ineffective at increasing cardiac contractility

Question 2

An advantage to the use of fentanyl (Sublimaze) when compared to morphine or meperedine is that:

a. It is not a narcotic analgesic
b. It has less emetic effect than other narcotic analgesics
c. It does not produce the respiratory depression that accompanies morphine and meperedine
d. Romazicon is an effective antagonist

Viet Thy · **Reply #1 on:** Jul 3, 2018

Answer to Question 1

a
Rationale: a. Correct.
b. It would be unethical to administer or withhold a medication based on cost.
c. Dobutamine is administered by intravenous infusion.
d. There are other medications that are effective, however, dobutamine causes less increase of heart rate and oxygen demand.

Answer to Question 2

b
Rationale: a. Fentanyl is considered a narcotic analgesic.
b. Correct.
c. Fentanyl may produce respiratory depression that is seen with other narcotic analgesics.
d. Naloxone is a narcotic antagonist for fentanyl. Romazicon is a benzodiazepine antagonist.