Nokea
The client is receiving a loop diuretic for congestive heart failure. Which medication would the nurse expect the client to be receiving while taking this medication?
- A. A potassium supplement.
- B. A cardiac glycoside.
- C. An ACE inhibitor.
- D. A potassium cation.
Correct Answer: A
Rationale: Loop diuretics like furosemide cause potassium loss; supplements prevent hypokalemia, a common need in CHF.
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In providing care for a client with pain from a sickle cell crisis, which one of the following medication orders for pain control should be questioned by the nurse?
- A. Demerol
- B. Morphine
- C. Methadone
- D. Codeine
Correct Answer: A
Rationale: Demerol. Meperidine is not recommended in clients with sickle cell disease. Normeperidine, a metabolite of meperidine, is a central nervous system stimulant that produces anxiety, tremors, myoclonus, and generalized seizures when it accumulates with repetitive dosing. Clients with sickle cell disease are particularly at risk for normeperidine-induced seizures.
The female client with Trichomonas vaginalis is prescribed metronidazole (Flagyl), an antibacterial medication. Which statement indicates the client does not understand the discharge teaching?
- A. I will not be able to drink any alcohol while taking this drug.
- B. My boyfriend will need to take this same medication.
- C. I cannot transmit the disease through oral sex.
- D. I must make sure I take all the pills no matter how I feel.
Correct Answer: C
Rationale: Trichomonas can be transmitted via oral sex; this statement shows misunderstanding. Alcohol avoidance, partner treatment, and full course completion are correct.
The client asks the clinic nurse if he should take 2,000 mg of vitamin C a day to prevent getting a cold. On which scientific rationale should the nurse base the response?
- A. Vitamin C in this dosage will help cure the common cold.
- B. This vitamin must be taken with echinacea to be effective.
- C. This dose of vitamin C is not high enough to help prevent colds.
- D. Megadoses of vitamin C may cause crystals to form in the urine.
Correct Answer: D
Rationale: Megadoses of vitamin C (>2,000 mg/day) can lead to oxalate crystal formation in urine, increasing kidney stone risk. Evidence for cold prevention is weak, and echinacea or higher doses are not supported.
The nurse has received the morning report and has the following medications due or being requested. In which order should the nurse administer the medications? List in order of priority.
- A. Administer furosemide (Lasix), a loop diuretic, IVP daily to a client diagnosed with heart failure who is dyspneic on exertion.
- B. Administer morphine, a narcotic analgesic, IVP prn to a client diagnosed with lower back pain who is complaining of pain at a '10' on a 1-to-10 scale.
- C. Administer neostigmine (Prostigmin), a cholinesterase inhibitor, PO to a client diagnosed with myasthenia gravis.
- D. Administer lidocaine, an antidysrhythmic, IVP prn to a client in normal sinus rhythm with multifocal premature ventricular contractions.
- E. Administer vancomycin, an aminoglycoside antibiotic, to a client diagnosed with a Staphylococcus infection who has a trough level of 14 mg/dL.
Correct Answer: B,D,A,C,E
Rationale: 1) Morphine for severe pain (acute, 10/10); 2) Lidocaine for PVCs (cardiac risk); 3) Furosemide for dyspnea (respiratory distress); 4) Neostigmine for myasthenia (muscle strength); 5) Vancomycin (infection, stable trough).
The client with epilepsy is prescribed carbamazepine (Tegretol), an anticonvulsant. Which discharge instruction should the nurse include in the teaching?
- A. Wear SPF 15 sunscreen when outside.
- B. Obtain regular serum drug levels.
- C. Be sure to floss teeth daily.
- D. Instruct the client to take tub baths only.
Correct Answer: B
Rationale: Carbamazepine requires serum level monitoring to ensure therapeutic range and avoid toxicity. Sunscreen, flossing, or baths are less relevant.