Nokea
The nurse is caring for a client receiving theophylline for asthma. In reviewing client labs, the nurse understands that the dose is therapeutic when the drug level is at what concentration?
- A. 0.8-2 mcg/L
- B. 10-20 mg/L
- C. 10-20 mcg/mL
- D. 0.8-12 mmol/L
Correct Answer: C
Rationale: The therapeutic range for theophylline is 10-20 mcg/mL. Other ranges are incorrect for this medication.
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The physician has ordered a low-potassium diet for a client with acute glomerulonephritis. Which snack is suitable for the client with potassium restrictions?
- A. Raisins
- B. Oranges
- C. Apricots
- D. Bananas
Correct Answer: A
Rationale: Raisins are lower in potassium compared to oranges, apricots, and bananas, making them suitable for a low-potassium diet.
A home health nurse is planning for her daily visits. Which client should the home health nurse visit first?
- A. A client with AIDS being treated with Foscarnet
- B. A client with a fractured femur in a long leg cast
- C. A client with laryngeal cancer with a laryngectomy
- D. A client with diabetic ulcers to the left foot
Correct Answer: A
Rationale: Foscarnet requires monitoring for toxicity, making this client a priority.
A 52-year-old female with mitral valve stenosis is admitted to the floor. She asks the nurse why she got this condition because it does not run in her family. The nurse explains most cases of mitral stenosis are due to a history of
- A. right-sided heart failure.
- B. hypercholesterolemia.
- C. rheumatic fever.
- D. viral meningitis.
Correct Answer: C
Rationale: Rheumatic fever is the primary cause of mitral valve stenosis, leading to valve scarring years later.
The nurse working in the emergency department realizes that it would be contraindicated to induce vomiting if someone had ingested which of the following?
- A. Ibuprofen
- B. Aspirin
- C. Vitamins
- D. Gasoline
Correct Answer: D
Rationale: Inducing vomiting after ingesting gasoline (a caustic substance) can cause aspiration or esophageal damage. Vomiting is safer for non-caustic substances like ibuprofen, aspirin, or vitamins.
The nurse is preparing a client with type 2 diabetes for a CT with contrast to evaluate diverticulitis with a possible mass. Which of the following medications on the client's medication list would be of concern to the nurse?
- A. fish oil
- B. warfarin (Coumadin)
- C. fluoxetine (Prozac)
- D. metformin (Glucophage)
Correct Answer: D
Rationale: Metformin should be held before and after contrast CT due to the risk of lactic acidosis if renal function is impaired by contrast dye.