Nokea
An adult is scheduled for a magnetic resonance imaging (MRI) exam today. Which finding must be reported immediately?
- A. The client has pins in her toes.
- B. The client usually wears a necklace.
- C. The client used to work in the x-ray department.
- D. The client has a pacemaker.
Correct Answer: D
Rationale: Pacemakers are contraindicated for MRI due to magnetic field interference, risking device malfunction, requiring immediate reporting, unlike pins, necklaces, or prior x-ray work.
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A nurse is administering metoprolol (Lopressor) to a patient with hypertension. Which of the following assessments is most important before administering this medication?
- A. Blood pressure
- B. Respiratory rate
- C. Temperature
- D. Oxygen saturation
Correct Answer: A
Rationale: Metoprolol, a beta-blocker, lowers blood pressure and heart rate, so assessing blood pressure prevents hypotension or bradycardia. Respiratory rate, temperature, and oxygen saturation are less critical.
When explaining the therapeutic regimen of vitamin B12 for pernicious anemia to a patient the nurse should explain that:
When explaining the therapeutic regimen of vitamin B12 for pernicious anemia to a patient the nurse should explain that:
- A. Weekly Z-track injections are required for control.
- B. Daily intramuscular injections are required for control.
- C. Intramuscular injections once a month will maintain control.
- D. Oral tablets of vitamin B12 taken daily will keep the symptoms under control.
Correct Answer: C
Rationale: Monthly B12 injections maintain control in pernicious anemia due to absorption deficits.
For proper foot care, the nurse should provide a patient with non-insulin dependent mellitus with instructions to:
For proper foot care, the nurse should provide a patient with non-insulin dependent mellitus with instructions to:
- A. Remove all corns and stop smoking.
- B. Always wear shoes and use natural fiber socks.
- C. Wear nylon socks and wash feet in warm water.
- D. Wear shoes that are slightly larger and avoid corn removers.
Correct Answer: B
Rationale: Wearing shoes and natural fiber socks protects diabetic feet and promotes circulation.
The nurse should recognize that further teaching is needed when a patient with glaucoma states, 'it would be dangerous for me to:
The nurse should recognize that further teaching is needed when a patient with glaucoma states, 'it would be dangerous for me to:
- A. use any sedatives.
- B. become constipated.
- C. use atropine in any form.
- D. release my emotions by crying.
Correct Answer: C
Rationale: Atropine increases intraocular pressure, worsening glaucoma, indicating correct understanding.
A patient with a diagnosis of bipolar disorder has been drinking copious amounts of water and voiding frequently. The patient is experiencing muscle cramps, twitching, and is reporting dizziness.
The nurse checks lab work for
- A. complete blood count results, particularly the platelets.
- B. electrolytes, particularly the serum sodium.
- C. urine analysis, particularly for the presence of white blood cells.
- D. EEG.
Correct Answer: B
Rationale: Symptoms suggest hyponatremia from excessive water intake, requiring electrolyte assessment.