Chapter 19, Adrenergic-Blocking Drugs Video Solutions, Pharmacology and the Nursing Process

Problem 1

When a patient has experienced extravasation of a peripheral infusion of dopamine, the nurse will inject the alpha blocker phentolamine (Regitine) into the area of extravasation and expect which effect?
a Vasoconstriction
b Vasodilation
c Analgesia
d Hypotension

Norma Kimmel

Numerade Educator

01:59

Problem 1

The nurse is reviewing the use of bethanechol (Urecholine) in a patient who is experiencing postoperative urinary retention. Which statement best describes the mechanism of action of bethanechol?
a It causes decreased bladder tone and motility.
b. It causes increased bladder tone and motility.
c It increases the sensation of a full bladder.
d It causes the sphincters in the bladder to become tighter.

Qudsiya Anis

Numerade Educator

03:16

Problem 2

When administering beta blockers, the nurse will follow which guideline for administration and monitoring?
a The drug may be discontinued at any time.
b Postural hypotension rarely occurs with this drug.
c Tapering off the medication is necessary to prevent rebound hypertension.
d The patient needs to stop taking the medication at once if he or she gains 3 to 4 pounds in a week.

Jessica Honkomp

Numerade Educator

03:17

Problem 3

The nurse providing teaching for a patient who has a new prescription for beta $_{1}$ blockers will keep in mind that these drugs may result in which effect?
a Tachycardia
b Tachypnea
c Bradycardia
d Bradypnea

Vishal Sharma

Numerade Educator

02:00

Problem 4

A patient who has recently had a myocardial infarction (MI) has started therapy with a beta blocker. The nurse explains that the main purpose of the beta blocker for this patient is to a cause vasodilation of the coronary arteries.
$\mathbf{b}$ prevent hypertension.
c increase conduction through the SA node.
d protect the heart from circulating catecholamines.

Surjit Tewari

Numerade Educator

02:19

Problem 5

Before initiating therapy with a nonselective beta blocker, the nurse will assess the patient for a history of which condition?
a Hypertension
b Liver disease
c Pancreatitis
d Asthma

Eric Goldman

Numerade Educator

00:21

Problem 6

A patient is taking an alpha blocker as treatment for benign prostatic hyperplasia. 'l'he nurse will monitor for which potential drug effects? (Select all that apply.)
a Orthostatic hypotension
b Increased blood pressure
c Increased urine flow
d Headaches
e Bradycardia

Sam Limsuwannarot

Numerade Educator

03:24

Problem 7

A child in the pediatric ICU has been receiving a dopamine infusion. This morning while on rounds, the nurse noted that the IV has infiltrated. After stopping the infusion, the nurse prepares to administer phentolamine (Regitine). The ordered dose is $0.2 \mathrm{mg} / \mathrm{kg},$ to be injected into the area of extravasation. The child weighs 39 lb. How many milligrams will the nurse administer? (Round to tenths.)

John Barone

Numerade Educator