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Author Question: The client receiving intravenous dopamine has an infiltration at the IV site. The nurse prepares to ... (Read 14 times)

Medesa

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on: Jul 24, 2018
The client receiving intravenous dopamine has an infiltration at the IV site. The nurse prepares to administer which of the following to prevent tissue necrosis?
 
  a. normal saline c. phentolamine
  b. lidocaine d. bretylium

Question 2

The nurse understands that under normal circumstances digoxin exerts which of the following effects?
 
  a.  chronotropic;  dromotropic;  inotropic
  b.  chronotropic;  dromotropic;  inotropic
  c.  chronotropic;  dromotropic;  inotropic
  d.  chronotropic;  dromotropic;  inotropic


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LegendaryAnswers

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Reply #1 on: Jul 24, 2018
Answer to Question 1

ANS: C

Feedback
A Incorrect: This will flush the site, but will not prevent tissue necrosis.
B Incorrect: This will not prevent tissue necrosis.
C Correct: Phentolamine is the drug used to prevent tissue necrosis with extravasations from dopamine.
D Incorrect: This will not prevent tissue necrosis.

Answer to Question 2

ANS: B

Feedback
A Incorrect: Digoxin slows and strengthens the heart rate.
B Correct: Digoxin slows heart rate (negative chronotropic) and impulse conduction (negative dromotropic) and strengthens contractility (positive inotropic) of the heart.
C Incorrect: Digoxin slows and strengthens the heart rate.
D Incorrect: Digoxin slows (not increases) and strengthens the heart rate.


Medesa

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Reply 2 on: Jul 24, 2018
Gracias!

alvinum

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Reply 3 on: Yesterday
Excellent

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