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Ecpi, Charleston Nur 138 pharmacology FINAL!!! Questions With Complete Solutions
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  • Ecpi

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 correct answer: ANS: C Adrenergic drugs mimic the effects of the sympathetic ...

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  • July 3, 2023
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  • 2022/2023
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  • ecpi
  • charleston nur 138 pharmacology final que

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Ecpi, Charleston Nur 138 pharmacology FINAL!!!
Questions With Complete Solutions
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 correct answer: ANS: C
Adrenergic drugs mimic the effects of the sympathetic nervous system.
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 correct answer: ANS: A
An increased force of contraction is known as a positive inotropic effect.
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 correct answer: ANS: A
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.
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 correct answer: ANS: B
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.
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 correct answer: ANS: C
Treatment of cardiac arrest is an indication for the use of epinephrine. The other options are not indications for epinephrine.
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. correct answer: ANS: C
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.
A 14-year-old patient has been treated for asthma for almost 4 months. Two weeks ago, she was given salmeterol as part of her medication regimen. However, her mother has called the clinic to report that it does not seem to work when her daughter is having an asthma attack. Which response by the nurse is appropriate?
a. "It takes time for a therapeutic response to develop."
b. "She is too young for this particular medication; it will be changed."
c. "She needs to take up to two puffs every 4 hours to ensure adequate blood levels."
d. "This medication is indicated for prevention of bronchospasms, not for relief of acute symptoms." correct answer: ANS: D Salmeterol is indicated for the prevention of bronchospasms, not
treatment of acute symptoms. The dosage is usually two puffs twice daily, 12 hours apart, for maintenance effects in patients older than 12 years of age. The other options are incorrect.
A hospitalized patient is experiencing a severe anaphylactic reaction to a dose of intravenous penicillin. Which drug will the nurse expect to use to treat this condition?
a. Ephedra
b. Epinephrine
c. Phenylephrine
d. Pseudoephedrine correct answer: ANS: B
Epinephrine is the drug of choice for the treatment of anaphylaxis. The other drugs listed are incorrect choices.
The nurse recognizes that adrenergic drugs cause relaxation of the bronchi and bronchodilation by stimulating which type of receptors?
a. Dopaminergic
b. Beta1 adrenergic
c. Beta2 adrenergic
d. Alpha1 adrenergic correct answer: ANS: C
Stimulation of beta2-adrenergic receptors results in bronchodilation. The other choices are incorrect.
The nurse is preparing to administer dopamine. Which is the correct technique for administering dopamine?
a. Orally
b. Intravenous (IV) push injection
c. Intermittent IV infusions (IV piggyback)

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