HESI RN
HESI Medical Surgical Practice Exam
1. During spring break, a young adult presents to the urgent care clinic and reports a stiff neck, a fever for the past 6 hours, and a headache. Which intervention is most important for the nurse to implement first?
- A. Initiate isolation precautions
- B. Administer an antipyretic
- C. Draw blood cultures
- D. Prepare for lumbar puncture
Correct answer: A
Rationale: The correct answer is to initiate isolation precautions. This is the priority action because the patient presents with symptoms that could be indicative of meningitis, an infectious disease that requires isolation to prevent its spread. Administering an antipyretic (Choice B) may help manage the fever but does not address the need for isolation. Drawing blood cultures (Choice C) and preparing for a lumbar puncture (Choice D) are important steps in diagnosing meningitis but should come after initiating isolation precautions to prevent potential transmission of the infection to others.
2. A client is getting out of bed for the first time since surgery. The client complains of dizziness after the nurse raises the head of the bed. Which of the following actions should the nurse take first?
- A. Checking the client’s blood pressure
- B. Checking the oxygen saturation level
- C. Having the client take some deep breaths
- D. Lowering the head of the bed slowly until the dizziness is relieved
Correct answer: D
Rationale: When a client experiences dizziness after being positioned upright for the first time post-surgery, the initial action the nurse should take is to lower the head of the bed slowly until the dizziness subsides. This maneuver helps alleviate the dizziness by allowing the body to adapt gradually to the change in position. Subsequently, the nurse should assess the client's pulse and blood pressure. Checking the blood pressure is essential to evaluate the circulatory status and rule out orthostatic hypotension as a cause of dizziness. Checking the oxygen saturation level and having the client take deep breaths are not the priority in this scenario as the primary concern is addressing the circulatory issue causing dizziness, not a respiratory problem.
3. A client with peripheral arterial disease (PAD) has cool and pale feet with diminished pulses. Which of the following interventions should the nurse implement?
- A. Keep the legs elevated above the level of the heart.
- B. Encourage the client to exercise daily.
- C. Apply warm compresses to the affected area.
- D. Apply ice packs to the affected area.
Correct answer: C
Rationale: In peripheral arterial disease (PAD), there is decreased blood flow to the extremities. Applying warm compresses helps dilate blood vessels, improve circulation, and relieve symptoms. Elevating the legs above the heart level may further compromise blood flow. Encouraging daily exercise is important in PAD management but may not be appropriate when the client has cool, pale feet with diminished pulses. Applying ice packs can worsen vasoconstriction and further reduce blood flow, exacerbating symptoms in PAD.
4. A client with chronic obstructive pulmonary disease (COPD) presented with shortness of breath. Oxygen therapy was started at 2 liters/minute via nasal cannula. The arterial blood gases (ABGs) after treatment were pH 7.36, PaO2 62, PaCO2 59, and HCO3. Which statement describes the most likely cause of the simultaneous increase in both the PaO2 and the PaCO2?
- A. The hypercapnia resulted from the rapid respirations.
- B. The hypoxic drive was reduced by the oxygen therapy.
- C. The client had a pneumothorax which restricted ventilation.
- D. The client had a pulmonary embolism that reduced perfusion.
Correct answer: B
Rationale: In patients with COPD, oxygen therapy can reduce the hypoxic drive, which is the primary stimulus for breathing in these individuals. By providing supplemental oxygen, the hypoxic drive is diminished, resulting in decreased respiratory effort. As a consequence, the PaO2 may increase due to the supplemental oxygen, but this can lead to a decrease in the respiratory drive and subsequent retention of carbon dioxide, causing an increase in PaCO2 levels. Option A is incorrect because rapid respirations would typically lower PaCO2 levels. Option C is incorrect as a pneumothorax would lead to impaired gas exchange and decreased PaO2 levels without necessarily affecting PaCO2 levels. Option D is incorrect as a pulmonary embolism would typically result in ventilation-perfusion mismatch and decreased PaO2 levels without directly impacting PaCO2 levels.
5. A client is scheduled for an arteriogram. The nurse should explain to the client that the arteriogram will confirm the diagnosis of occlusive arterial disease by:
- A. Showing the location of the obstruction and the collateral circulation.
- B. Scanning the affected extremity and identifying the areas of volume changes.
- C. Using ultrasound to estimate the velocity changes in the blood vessels.
- D. Determining how long the client can walk.
Correct answer: A
Rationale: The correct answer is A: Showing the location of the obstruction and the collateral circulation. An arteriogram is a diagnostic procedure that involves injecting a contrast agent to visualize the blood vessels and identify the location of any obstructions. This helps confirm the diagnosis of occlusive arterial disease by showing where the blockage is located and how collateral circulation is compensating for the reduced blood flow. Choices B, C, and D are incorrect because scanning the extremity, estimating velocity changes with ultrasound, or determining walking distance are not the primary purposes of an arteriogram in diagnosing occlusive arterial disease.
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