HESI RN
HESI Medical Surgical Exam
1. What is the primary purpose of administering IV fluids to a patient in septic shock?
- A. To reduce blood pressure.
- B. To increase cardiac output.
- C. To stabilize blood glucose levels.
- D. To maintain adequate tissue perfusion.
Correct answer: D
Rationale: The primary purpose of administering IV fluids to a patient in septic shock is to maintain adequate tissue perfusion. In septic shock, there is a significant drop in blood pressure and systemic vascular resistance leading to poor tissue perfusion. IV fluids help to restore intravascular volume, improve perfusion to vital organs, and prevent organ failure. Choice A ('To reduce blood pressure') is incorrect because IV fluids in septic shock aim to restore tissue perfusion rather than lower blood pressure. Choice B ('To increase cardiac output') is incorrect as the primary goal is to improve tissue perfusion, not specifically increase cardiac output. Choice C ('To stabilize blood glucose levels') is unrelated to the primary purpose of administering IV fluids in septic shock, which is to address the compromised tissue perfusion.
2. Which of the following is the best indicator of fluid balance in a patient with heart failure?
- A. Daily weight measurements.
- B. Monitoring intake and output.
- C. Assessing skin turgor.
- D. Checking for peripheral edema.
Correct answer: A
Rationale: Daily weight measurements are the best indicator of fluid balance in a patient with heart failure. Changes in weight reflect fluid retention or loss more accurately than other methods. Monitoring intake and output (choice B) is essential but may not provide a comprehensive picture of fluid status. Skin turgor (choice C) and checking for peripheral edema (choice D) are more indicative of dehydration and fluid overload, respectively, rather than overall fluid balance.
3. A nurse administers scopolamine as prescribed to a client in preparation for surgery. For which side effect of this medication does the nurse monitor the client?
- A. Pupil constriction
- B. Increased urine output
- C. Complaints of dry mouth
- D. Complaints of feeling sweaty
Correct answer: D
Rationale: The correct answer is D: 'Complaints of feeling sweaty.' Scopolamine, an anticholinergic medication, commonly causes the side effect of decreased sweating, not increased urine output or pupil constriction. While dry mouth is a possible side effect, it is less likely than the altered sweating pattern. Therefore, the nurse should monitor the client for complaints of feeling sweaty due to the potential side effect of decreased sweating associated with scopolamine.
4. When assessing an individual with peripheral vascular disease, which clinical manifestation would indicate complete arterial obstruction in the lower left leg?
- A. Aching pain in the left calf.
- B. Burning pain in the left calf.
- C. Numbness and tingling in the left leg.
- D. Coldness of the left foot and ankle.
Correct answer: D
Rationale: Coldness of the left foot and ankle is the correct clinical manifestation indicating complete arterial obstruction in the lower left leg. Complete arterial obstruction results in reduced blood flow, leading to decreased temperature in the affected area. Aching pain (Choice A) and burning pain (Choice B) are more commonly associated with partial obstructions or ischemia, while numbness and tingling (Choice C) can be indicative of nerve involvement or compromised circulation, but not specifically complete arterial obstruction. The coldness in the foot and ankle is a result of severely reduced blood flow, which impairs the delivery of oxygen and nutrients to the tissues in that area, leading to a lower temperature. This symptom is a critical indicator of a more severe blockage compared to the other options provided.
5. After delegating to an unlicensed assistive personnel (UAP) the task of completing a bladder scan examination for a client, the nurse evaluates the UAP’s performance. Which action by the UAP indicates the nurse must provide additional instructions when delegating this task?
- A. Selecting the female icon for all female clients and the male icon for all male clients
- B. Explaining to the client, 'This test measures the amount of urine in your bladder.'
- C. Applying ultrasound gel to the scanning head and cleaning it after use
- D. Taking at least two readings using the aiming icon to position the scanning head
Correct answer: A
Rationale: The correct answer is A because the UAP should select the female icon for women who have not had a hysterectomy to allow the scanner to subtract the volume of the uterus from readings. If a woman has had a hysterectomy, the UAP should choose the male icon. Choice B is incorrect as it is essential for the UAP to explain the procedure to the client to ensure understanding. Choice C is incorrect because applying ultrasound gel to the scanning head and cleaning it after use are appropriate actions. Choice D is incorrect as it is necessary for the UAP to take at least two readings using the aiming icon to position the scanning head accurately for an effective bladder scan examination.
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