Nokea
A nurse is reviewing the laboratory data of a client following a hemodialysis treatment. The nurse should expect to find a decrease in which of the following laboratory values?
- A. RBC count
- B. Protein
- C. Potassium
- D. Calcium
Correct Answer: C
Rationale: Potassium levels decrease after hemodialysis as it is effectively removed during the treatment.
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A nurse is reviewing the arterial blood gas (ABG) values of a client who has chronic kidney disease. Which of the following sets of values should the nurse expect?
- A. pH 7.25, HCO3- 19 mEq/L, PaCO2 30 mm Hg
- B. pH 7.50, HCO3- 20 mEq/L, PaCO2 32 mm Hg
- C. pH 7.55, HCO3- 30 mEq/L, PaCO2 31 mm Hg
- D. pH 7.30, HCO3- 26 mEq/L, PaCO2 50 mm Hg
Correct Answer: A
Rationale: The values indicate metabolic acidosis with compensatory respiratory alkalosis, typical in CKD due to impaired acid excretion.
A nurse prepares to replace the nearly empty container of total parenteral nutrition (TPN) for a client when she finds that there has been a delay in receiving the new container of solution from the pharmacy. Which of the following solutions should the nurse infuse until the next container of TPN solution becomes available?
- A. Lactated Ringer's
- B. 0.9% sodium chloride
- C. 3% sodium chloride
- D. Dextrose 10% in water
Correct Answer: D
Rationale: D10W provides glucose to prevent hypoglycemia when TPN is interrupted.
A client with a history of angina is being admitted to the emergency department with a suspected myocardial infarction (MI). Which of the following findings will help the nurse distinguish stable angina from an MI?
- A. MI only occurs with exertion.
- B. Stable angina can occur for longer than 30 minutes.
- C. Stable angina can be relieved with rest and nitroglycerin.
- D. The pain of an MI lasts less than 15 minutes.
Correct Answer: C
Rationale: Stable angina is usually relieved within 3-5 minutes by rest or nitroglycerin, while MI pain is more prolonged and severe and not relieved by these measures.
A client is admitted to the hospital with suspected rheumatic endocarditis. Which of the following laboratory tests would assist in confirming the diagnosis?
- A. Liver enzymes
- B. Serum albumin
- C. Throat culture
- D. Arterial blood gases
Correct Answer: C
Rationale: Throat culture can identify streptococcal infection preceding rheumatic fever/endocarditis.
A client arrives at the emergency room with symptoms of peptic ulcer disease. Which of these symptoms should the nurse identify as the priority?
- A. Hematemesis
- B. Abdominal bloating
- C. Epigastric discomfort
- D. Dyspepsia
Correct Answer: A
Rationale: Hematemesis indicates active bleeding and is the most urgent concern.