HESI RN
HESI Medical Surgical Practice Exam
1. A client who experienced partial-thickness burns involving over 50% body surface area (BSA) 2 weeks ago has several open wounds and develops watery diarrhea. The client's blood pressure is 82/40 mmHg, and temperature is 96°F (36.6°C). Which action is most important for the nurse to take?
- A. Increase the room temperature.
- B. Assess the oxygen saturation.
- C. Continue to monitor vital signs.
- D. Notify the rapid response team.
Correct answer: D
Rationale: In this scenario, the client is presenting with signs of sepsis, such as hypotension, hypothermia, and a recent history of partial-thickness burns with open wounds. The development of watery diarrhea further raises suspicion for sepsis. With a blood pressure of 82/40 mmHg and a low temperature of 96°F (36.6°C), the nurse should recognize the potential for septic shock. Notifying the rapid response team is crucial in this situation as the client requires immediate intervention and management to prevent deterioration and address the underlying septic process. Increasing the room temperature (Choice A) is not the priority as the low body temperature is likely due to systemic vasodilation and not environmental factors. While assessing oxygen saturation (Choice B) is important, the client's hypotension and hypothermia take precedence. Continuing to monitor vital signs (Choice C) alone is insufficient given the critical condition of the client and the need for prompt action to address the sepsis and potential septic shock.
2. An unlicensed assistive personnel (UAP) reports to the nurse that a client with a postoperative wound infection has a temperature of 103°F (39.4°C), blood pressure of 90/70, pulse of 124 beats/minute, and respirations of 28 breaths/minute. When assessing the client, findings include mottled skin appearance and confusion. Which action should the nurse take first?
- A. Transfer the client to the ICU.
- B. Initiate an infusion of intravenous (IV) fluids.
- C. Assess the client's core temperature.
- D. Obtain a wound specimen for culture.
Correct answer: B
Rationale: Initiating an infusion of IV fluids is the priority action to stabilize blood pressure in a client with signs of sepsis. Intravenous fluids help maintain perfusion to vital organs and prevent further deterioration. Option A is not the immediate priority as stabilizing the client's condition can be initiated in the current setting. Option C, assessing the client's core temperature, is important but not the most critical action at this time. Option D, obtaining a wound specimen for culture, is important for identifying the causative organism but is not the first priority in managing a client with signs of sepsis.
3. The client has been managing angina episodes with nitroglycerin. Which of the following indicates the drug is effective?
- A. Decreased chest pain.
- B. Increased blood pressure.
- C. Decreased blood pressure.
- D. Decreased heart rate.
Correct answer: A
Rationale: The correct answer is A: Decreased chest pain. Nitroglycerin is a vasodilator that works by decreasing myocardial oxygen consumption, which helps to reduce chest pain caused by angina. Therefore, a reduction in chest pain is a positive indicator of the drug's effectiveness. Choices B, C, and D are incorrect because nitroglycerin does not typically increase blood pressure or heart rate; instead, it often causes a decrease in blood pressure due to vasodilation and may cause a reflex tachycardia (increased heart rate) as a compensatory response to lowered blood pressure.
4. The client with type 1 diabetes mellitus is taught to take isophane insulin suspension NPH (Humulin N) at 5 PM each day. The client should be instructed that the greatest risk of hypoglycemia will occur at about what time?
- A. 11 AM, shortly before lunch.
- B. 1 PM, shortly after lunch.
- C. 6 PM, shortly after dinner.
- D. 1 AM, while sleeping.
Correct answer: D
Rationale: The correct answer is D, 1 AM, while sleeping. Isophane insulin suspension NPH (Humulin N) peaks around 6-8 hours after administration, which increases the risk of hypoglycemia during the night. Choice A, 11 AM, shortly before lunch, is incorrect because the peak effect of NPH insulin occurs much later. Choice B, 1 PM, shortly after lunch, is incorrect as it is too early for the peak effect of NPH insulin. Choice C, 6 PM, shortly after dinner, is also incorrect because the peak risk of hypoglycemia with NPH insulin occurs later in the night.
5. The healthcare provider prescribes diagnostic tests for a client with pneumonia identified on a chest X-ray. Which diagnostic test should the nurse review for implementation to guide the most therapeutic treatment of pneumonia?
- A. Sputum culture and sensitivity
- B. Blood cultures
- C. Arterial blood gases (ABG)
- D. Computerized tomography (CT) of the chest
Correct answer: A
Rationale: Sputum culture and sensitivity is the most appropriate diagnostic test for pneumonia as it helps in identifying the causative organism, which is crucial for guiding the selection of the most effective antibiotic therapy. Blood cultures (choice B) are more useful in identifying systemic infections rather than pneumonia specifically. Arterial blood gases (ABG) (choice C) are helpful in assessing oxygenation but do not directly aid in identifying the causative organism. Computerized tomography (CT) of the chest (choice D) is useful for evaluating structural abnormalities in the lungs but is not the initial test of choice for diagnosing pneumonia.
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