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NUR 206 Phamacology exam 4 Questions and Answers Chapter 18-26 Test Bank,100% CORRECT
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NUR 206 Phamacology exam 4 Questions and Answers Chapter 18-26 Test Bank Chapter 18: Adrenergic Drugs 1. The nurse is aware that adrenergic drugs produce effects similar to which of these nervous systems? a. Central nervous system b. Somatic nervous system c. Sympathetic nervous system d....

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  • March 23, 2023
  • 91
  • 2022/2023
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  • nur 206 phamacology exam 4 questions and answers chapter 18 26 test bank
  • chapter 18 adrenergic drugs chapter 19 adrenergic blocking drugs chapter 20 cholinergic drugs chapter 21 cholinergic blocki

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NUR 206 Phamacology exam 4 Questions and Answers Chapter 18-26
Test Bank
Chapter 18: Adrenergic Drugs


1. The nurse is aware that adrenergic drugs produce effects similar to
which of these nervous systems?
a. Central nervous system
b. Somatic nervous system
c. Sympathetic nervous system
d. Parasympathetic nervous system
Adrenergic drugs mimic the effects of the sympathetic nervous system.




2. When an adrenergic drug stimulates beta1-adrenergic receptors, the
result is an increased force of contraction, which is known as what type of
effect?
a. Positive inotropic
b. Anti-adrenergic
c. Negative dromotropic
d. Positive chronotropic
An increased force of contraction is known as a positive inotropic effect.




3. When a patient is taking an adrenergic drug, the nurse expects to observe
which effect?
a. Increased heart rate
b. Bronchial constriction
c. Constricted pupils

,d. Increased intestinal peristalsis
Increased heart rate is one of the effects of adrenergic drugs. Sympathetic
nervous system stimulation also results in bronchodilation, dilated pupils, and
decreased gastrointestinal mobility, depending upon which receptors are
stimulated.


4. An adrenergic agonist is ordered for a patient in shock. The nurse will note
that this drug has had its primary intended effect if which expected
outcome occurs?

,a. Volume restoration
b. Increased cardiac output
c. Decreased urine output
d. Reduced anxiety
For a patient in shock, a primary benefit of an adrenergic agonist drug is to
increase cardiac output. A drug in this category should not be used in place of
volume restoration, nor does it provide volume restoration (IV fluids do this).
Adrenergic agonists may enhance urine output if cardiac output and perfusion
to the kidneys increase. These drugs do not reduce anxiety.


5. The nurse is administering a stat dose of epinephrine. Epinephrine is
appropriate for which situation?
a. Severe hypertension
b. Angina
c. Cardiac arrest
d. Tachycardia
Treatment of cardiac arrest is an indication for the use of epinephrine. The other
options are not indications for epinephrine.




6. A patient is on a low-dose dobutamine drip for heart failure. She had
been feeling better but now has a sense of tightness in her chest,
palpitations, and a bit of anxiety. Her heart rate is up to 110 per minute,
and her blood pressure is 150/98 mm Hg (increased from previous
readings of 86 per minute and 120/80 mm Hg). What is the nurse’s
immediate concern for this patient?
a. She is experiencing normal adverse effects of dobutamine therapy.
b. She may be experiencing an allergic reaction to the dobutamine.
c. The medication may be causing a worsening of a pre-existing cardiac

, disorder.
d. The dosage of the dobutamine needs to be increased to control the
symptoms better.
Because dobutamine is a vasoactive adrenergic, it works by increasing the cardiac
output in heart failure patients by increasing myocardial contractility and stroke
volume. However, adrenergic drugs may worsen a pre-existing cardiac disorder,
such as causing a myocardial infarction in a patient with coronary artery disease.
The other options are incorrect.

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