Quiz: Ch. 18- Adrenergic Drugs

Question 0

1. The physician has ordered dopamine to treat the patients hypovolemic shock secondary to severe blood loss. For the medication to be effective, the physician must also order:

A) fluid replacement
B) beta-stimulating drugs
C) anti-bodies
D) fluid restriction

Answer 0

A) fluid replacement

– Dopamine increases blood pressure secondary to vasoconstriction, which has a limited effect if there’s not enough volume within the circulatory system

Question 1

2. Epinephrine, as an adrenergic (sympathomimetic) drug, produces which therapeutic effect?

A) urinary retention
B) bronchoconstriction
C) increased heart rate and contractility
D) decreased intestinal motility

Answer 1

C) increased heart rate and contractility

– Epinephrine causes sympathomimetic actions, including increased heart rate and contractility. The other effects listed are parasympathomimetic in nature.

Question 2

3. A hypertensive crisis may occur if adrenergic (sympathomimetic) drugs are given along with:

A) beta blockers
B) diuretics
C) alpha-1 blockers
D) monoamine oxidase (MAO) inhibitors

Answer 2

D) monoamine oxidase (MAO) inhibitors

– Adrenergic drugs combined with MAO inhibitors can lead to extreme hypertension. All the other drugs listed are used to treat hypertension.

Question 3

4. The patient is receiving dobutamine as a continuous infusion. Titration of this medication is based upon which factors? (Select all that apply)

A) heart rate
B) BP
C) urine output
D) liver enzymes
E) respiratory rate

Answer 3

A) heart rate
B) blood pressure
C) urine output

–

Question 4

5. The patient using Afrin nasal spray complains of worsening cold symptoms and tells the nurse, “I don’t understand why this is not working. I’m using it almost every three hours! “The nurses response is based on knowledge that:

A) Afrin nasal spray is not an effective nasal decongestant
B) the medication needs to be used every 30 minutes for maximum effectiveness
C) the patient is suffering from rebound congestion related to excessive use of the Afrin nasal spray
D) adrenergic decongestions should only be used prophylactically, not to treat acute congestion

Answer 4

C) the PT is suffering from rebound congestion related to excessive use of the African nasal spray

– A friend nasal spray is a sympath and then I took drug with both Elsa-and beta-adrenergic effects. The Elsa-adrenergic activity is responsible for causing vasoconstriction in the nasal mucosa. However, excessive use of nasal decongestions can lead to greater congestion because of a rebound phenomenon that occurs when use of the product is stopped

Question 5

6. Your patient is to receive dopamine 5 µg/kg/min. He weighs 176 pounds. Your dopamine is 400 mg in 500 mL D5W. You want to use this at which rate?

A) 20 mL/hr
B) 30 mL/HR
C) 35 mL/HR
D) 50 mL/HR

Answer 5

B) 30 mL/HR

Question 6

7. When assessing for cardiovascular effects of an Adrian or check (Sympathomimetic) drug, The nurse understands that these drugs produce:

A) a positive inotropic, positive chronotropic, and positive dromotropic effect

Answer 6

A)