HESI RN
HESI 799 RN Exit Exam
1. The nurse needs to add a medication to a liter of 5% Dextrose in Water (D5W) that is already infusing into a client. At what location should the nurse inject the medication?
- A. Medication port
- B. IV drip chamber
- C. Y-site connector
- D. At the hub of the IV catheter
Correct answer: A
Rationale: The correct answer is the medication port. When adding medication to an already infusing IV solution, it should be done through the medication port to ensure direct delivery into the bloodstream without interrupting the primary IV line. Injecting the medication into the IV drip chamber, Y-site connector, or at the hub of the IV catheter can lead to dilution, inaccurate dosing, or potential blockages in the IV line, which can compromise the effectiveness of the medication and patient safety.
2. An adult male who fell from a roof and fractured his left femur is admitted for surgical stabilization after having a soft cast applied in the emergency department. Which assessment finding warrants immediate intervention by the nurse?
- A. Weak palpable distal pulses
- B. Pain at the fracture site
- C. Mild swelling of the leg
- D. Bruising around the fracture site
Correct answer: A
Rationale: In a patient with a fractured femur, weak palpable distal pulses can indicate compromised circulation to the lower extremity. This finding suggests a potential vascular compromise that requires immediate intervention to prevent further complications like compartment syndrome or ischemia. Pain at the fracture site, mild swelling of the leg, and bruising around the fracture site are expected following such an injury and surgical stabilization, and while they should be monitored, they do not require immediate intervention like addressing compromised circulation.
3. The nurse is caring for a client with chronic kidney disease (CKD). Which laboratory value should be reported to the healthcare provider immediately?
- A. Serum creatinine of 2.0 mg/dl
- B. Hemoglobin of 10 g/dl
- C. Potassium of 6.5 mEq/L
- D. Blood glucose of 150 mg/dl
Correct answer: C
Rationale: The correct answer is C. A potassium level of 6.5 mEq/L is dangerously high, a condition known as hyperkalemia, and requires immediate intervention to prevent cardiac complications. Hyperkalemia can lead to life-threatening arrhythmias, making it crucial to notify the healthcare provider promptly. Choices A, B, and D do not indicate immediate life-threatening conditions. Elevated serum creatinine levels are expected in CKD, a hemoglobin level of 10 g/dl is within a reasonable range, and a blood glucose level of 150 mg/dl is not acutely concerning in this context.
4. A client with chronic kidney disease (CKD) is admitted with hyperkalemia. Which assessment finding is most concerning?
- A. Bradycardia
- B. Muscle weakness
- C. Peaked T waves on the ECG
- D. Decreased deep tendon reflexes
Correct answer: C
Rationale: The correct answer is C: Peaked T waves on the ECG. In hyperkalemia, elevated potassium levels can affect the heart's electrical activity, leading to changes on the ECG such as peaked T waves. This finding is concerning as it can progress to serious cardiac arrhythmias, including ventricular tachycardia and fibrillation. Bradycardia (choice A) and decreased deep tendon reflexes (choice D) are not typically associated with hyperkalemia. While muscle weakness (choice B) can occur in hyperkalemia due to its effect on neuromuscular function, the most concerning assessment finding indicating the need for immediate intervention in this scenario is peaked T waves on the ECG.
5. The nurse is caring for a client with chronic kidney disease (CKD) who is receiving erythropoietin therapy. Which laboratory value requires immediate intervention?
- A. Serum potassium of 5.5 mEq/L
- B. Serum creatinine of 2.5 mg/dL
- C. Hemoglobin of 10 g/dL
- D. White blood cell count of 10,000/mm³
Correct answer: A
Rationale: A serum potassium level of 5.5 mEq/L is most concerning in a client receiving erythropoietin therapy as it indicates hyperkalemia, requiring immediate intervention. High potassium levels can lead to severe cardiac arrhythmias and must be addressed promptly. The other laboratory values, though abnormal, do not present immediate life-threatening risks as hyperkalemia does.
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