HESI RN
HESI RN Medical Surgical Practice Exam
1. A client has a serum potassium level of 6.5 mmol/L, a serum creatinine level of 2 mg/dL, and a urine output of 350 mL/day. What is the best action by the nurse?
- A. Place the client on a cardiac monitor immediately.
- B. Teach the client to limit high-potassium foods.
- C. Continue to monitor the client’s intake and output.
- D. Ask to have the laboratory redraw the blood specimen.
Correct answer: A
Rationale: The best immediate action by the nurse in this situation is to place the client on a cardiac monitor immediately. A serum potassium level of 6.5 mmol/L indicates hyperkalemia, which can lead to life-threatening dysrhythmias. Monitoring the cardiac status is crucial to detect any potential arrhythmias promptly. Teaching the client to limit high-potassium foods (Choice B) may be important for long-term management, but it is not the priority at this moment. Continuing to monitor intake and output (Choice C) is important for assessing renal function but does not address the immediate risk of dysrhythmias. Asking to have the laboratory redraw the blood specimen (Choice D) is unnecessary since the current results indicate a critical situation that requires immediate action.
2. A client has undergone renal angiography via the right femoral artery. The nurse determines that the client is experiencing a complication of the procedure upon noting:
- A. Urine output of 40 mL/hr
- B. Blood pressure of 118/76 mm Hg
- C. Respiratory rate of 18 breaths/min
- D. Pallor and coolness of the right leg
Correct answer: D
Rationale: Pallor and coolness of the right leg indicate a potential vascular complication following renal angiography, such as hemorrhage, thrombosis, or embolism. These signs suggest impaired circulation in the affected limb. Urine output, blood pressure, and respiratory rate are not typically associated with complications of renal angiography. Complications of this procedure mainly involve allergic reactions to the dye, dye-induced renal damage, and various vascular issues.
3. A client who was involved in a motor vehicle collision is admitted with a fractured left femur that is immobilized using a fracture traction splint in preparation for an open reduction internal fixation (ORIF). The nurse determines that the client's distal pulses are diminished in the left foot. Which intervention should the nurse implement?
- A. Verify pedal pulses using a Doppler pulse device
- B. Evaluate the application of the splint to the left leg
- C. Offer ice chips and clear oral liquids
- D. Monitor the left leg for pain, pallor, paresthesia, paralysis, pressure
Correct answer: B
Rationale: Evaluating the application of the splint is the priority as it ensures it is not too tight, which could impair circulation and exacerbate the diminished pulses. Verifying pedal pulses with a Doppler pulse device may be indicated but does not directly address the immediate concern of proper splint application. Offering ice chips and clear oral liquids would not address the issue of diminished distal pulses. Monitoring the left leg for pain, pallor, paresthesia, paralysis, and pressure is important but would not directly address the cause of the diminished pulses in this scenario.
4. A client has been scheduled for magnetic resonance imaging (MRI). For which of the following conditions, a contraindication to MRI, does the nurse check the client’s medical history?
- A. Pancreatitis
- B. Pacemaker insertion
- C. Type 1 diabetes mellitus
- D. Chronic airway limitation
Correct answer: B
Rationale: The correct answer is B: Pacemaker insertion. Patients with metal devices or implants are contraindicated for MRI. These include pacemakers, orthopedic hardware, artificial heart valves, aneurysm clips, and intrauterine devices. These metal objects can be affected by the strong magnetic field of the MRI, leading to serious risks for the patient. Pancreatitis (choice A), Type 1 diabetes mellitus (choice C), and chronic airway limitation (choice D) are not contraindications to MRI based on the presence of metal objects. Therefore, the nurse should be particularly concerned about pacemaker insertion when reviewing the client's medical history prior to an MRI.
5. The client admitted with peripheral vascular disease (PVD) asks the nurse why her legs hurt when she walks. The nurse bases a response on the knowledge that the main characteristic of PVD is:
- A. Decreased blood flow.
- B. Increased blood flow.
- C. Slow blood flow.
- D. Thrombus formation.
Correct answer: A
Rationale: The correct answer is A: 'Decreased blood flow.' In peripheral vascular disease (PVD), there is a narrowing or blockage of blood vessels, leading to reduced blood flow to the extremities. This decreased blood flow results in inadequate oxygen supply to the muscles, causing pain, especially during physical activity when oxygen demand increases. Choice B, 'Increased blood flow,' is incorrect because PVD is characterized by impaired blood circulation rather than increased flow. Choice C, 'Slow blood flow,' is not precise as PVD involves a more significant reduction in blood flow. Choice D, 'Thrombus formation,' is related to the formation of blood clots within vessels, which can be a complication of PVD but is not its main characteristic.
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