Nokea
A nurse is teaching the partner of a client who had an acute myocardial infarction (MI) about the reason blood was drawn from the client. Which of the following statements should the nurse make regarding cardiac enzyme studies?
- A. These tests will enable the provider to determine the heart structure and mobility of the heart valves.
- B. Cardiac enzymes will identify the location of the MI.
- C. Cardiac enzymes assist in diagnosing the presence of pulmonary congestion.
- D. These tests help determine the degree of damage to the heart tissues.
Correct Answer: D
Rationale: Cardiac enzymes (like troponin) indicate myocardial cell death and help quantify infarct size.
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A nurse is preparing to administer a 2 mg IV bolus of morphine sulfate. Morphine sulfate is available in a concentration of 10 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: 0.2
Rationale: Calculation: 2 mg ÷ 10 mg/mL = 0.2 mL
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.
The client is scheduled to receive 30 grams of lactulose orally every 12 hours. An oral solution containing 5 g/10 mL is available. How many mL should be poured into the medication cup to administer the required dose?
Correct Answer: 60
Rationale: Calculation: (30 g ÷ 5 g) × 10 mL = 60 mL
A client is admitted to the medical unit with acute pancreatitis. While planning care for this client, the nurse will include which of the following interventions? (Select all that apply).
- A. Administer antiemetics as needed.
- B. Administer analgesics as needed.
- C. NPO (nothing by mouth) until pain-free.
- D. Monitor blood glucose and provide insulin as needed.
- E. Side-lying or fetal position.
- F. Monitor hydration status.
Correct Answer: A,B,C,D,F
Rationale: These interventions address pain management, pancreatic rest, glucose control, and hydration in acute pancreatitis.
A student nurse asks the RN about the clinical manifestations of a thoracic aortic aneurysm. Which of the following findings should the nurse discuss? (Select all that apply).
- A. Shortness of breath
- B. Difficulty swallowing
- C. Upper chest pain
- D. Diaphoresis
- E. Cough
- F. Hoarseness
Correct Answer: A,B,C,E,F
Rationale: These reflect compression of adjacent structures (trachea, esophagus, recurrent laryngeal nerve) by the aneurysm.