Nokea
A nurse is preparing to administer a sympathomimetic drug. Which of the following might the nurse be preparing to give?
- A. Clonidine (Catapres)
- B. Isoproterenol (Isuprel)
- C. Midodrine (ProAmatine)
- D. Epinephrine (EpiPen)
- E. Reserpine (Serpalan)
Correct Answer: B,C,D
Rationale: Sympathomimetic drugs mimic the effects of the sympathetic nervous system, such as increasing heart rate and blood pressure. Isoproterenol, midodrine, and epinephrine are examples, while clonidine and reserpine have different mechanisms.
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After teaching a group of nursing students about adrenergic drugs and their effects, the instructor determines that the teaching was successful when the students identify which of the following as an effect of these drugs?
- A. Decreased myocardial contractility
- B. Vasodilation
- C. Increased cardiac output
- D. Improved airway clearance
Correct Answer: C
Rationale: Adrenergic drugs increase myocardial contractility and heart rate, leading to increased cardiac output.
Ma huang is an herbal product that has been used to relieve cold symptoms and for weight loss. The nurse would instruct a client receiving which of the following to avoid products containing ma huang?
- A. Digoxin (Lanoxin)
- B. Phenelzine (Nardil)
- C. Guanethidine (Ismelin)
- D. Oxytocin (Pitocin)
- E. Halothane (Avestan)
Correct Answer: A,B,C,D,E
Rationale: Ma huang, containing ephedrine-like compounds, can interact with digoxin, phenelzine, guanethidine, oxytocin, and halothane, leading to adverse cardiovascular or neurological effects.
A client has been administered dobutamine. The client is also receiving a beta-adrenergic blocking drug. The nurse would monitor the client for the development of which of the following resulting from the use of these two drugs?
- A. Bradycardia
- B. Hypertension
- C. Depression
- D. Dehydration
Correct Answer: B
Rationale: The combination of dobutamine and beta-blockers can lead to hypertension due to unopposed alpha-adrenergic effects when beta receptors are blocked.
A client is prescribed norepinephrine IV. Which of the following would be appropriate for the nurse to do?
- A. Administer the drug via a gravity infusion.
- B. Dilute the drug with sterile saline.
- C. Continuously monitor the client's blood pressure.
- D. Check the IV insertion site for leakage.
- E. Assess the client's urinary output hourly.
Correct Answer: C,D,E
Rationale: Norepinephrine requires an infusion pump, continuous blood pressure monitoring, IV site checks for leakage, and hourly urinary output assessment to ensure proper administration and effect.
A nurse has administered dopamine to a client taking phenytoin (Dilantin) for a seizure disorder. The nurse would closely monitor the client for which adverse reaction?
- A. Hypotension
- B. Hypoglycemia
- C. Bradycardia
- D. Tachypnea
- E. Seizures
Correct Answer: A,C,E
Rationale: The combination of dopamine and phenytoin increases the risk of seizures, hypotension, and bradycardia due to potential drug interactions affecting cardiovascular and neurological systems.