HESI RN
HESI Medical Surgical Practice Exam Quizlet
1. A client who has just undergone surgery suddenly experiences chest pain, dyspnea, and tachypnea. The nurse suspects that the client has a pulmonary embolism and immediately sets about:
- A. Preparing the client for a perfusion scan
- B. Attaching the client to a cardiac monitor
- C. Administering oxygen via nasal cannula
- D. Ensuring that the intravenous (IV) line is patent
Correct answer: C
Rationale: When a client who has just undergone surgery experiences sudden chest pain, dyspnea, and tachypnea, indicating possible pulmonary embolism, the immediate priority for the nurse is to administer oxygen via nasal cannula. This intervention aims to improve oxygenation and alleviate respiratory distress, which is crucial in the setting of a potential pulmonary embolism. Preparing the client for a perfusion scan is not the immediate priority as stabilizing the client's respiratory status comes first. While attaching the client to a cardiac monitor is important for monitoring, administering oxygen takes precedence in this situation. Ensuring IV line patency is relevant for overall client care but is not the priority when a client is experiencing respiratory distress requiring immediate intervention.
2. 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.
3. Oxygen via nasal cannula has been prescribed for a client with emphysema. The nurse checks the physician’s orders to ensure that the prescribed flow is not greater than:
- A. 1 L/min
- B. 3 L/min
- C. 4 L/min
- D. 6 L/min
Correct answer: B
Rationale: The correct answer is B, 3 L/min. Clients with emphysema typically receive oxygen at a flow rate of 1 to 2 L/min, with a maximum of 3 L/min. Higher flow rates can lead to oxygen toxicity in these clients, so it's crucial to adhere to the prescribed limits. Choice A (1 L/min) is too low and may not provide adequate oxygenation for the client. Choices C (4 L/min) and D (6 L/min) exceed the recommended flow rates for clients with emphysema and can increase the risk of oxygen toxicity.
4. The nurse is caring for a patient who is receiving oral potassium chloride supplements. The nurse notes that the patient has a heart rate of 120 beats per minute and has had a urine output of 200 mL in the past 12 hours. The patient reports abdominal cramping. Which action will the nurse take?
- A. Contact the provider to request an order for serum electrolytes.
- B. Encourage the patient to consume less fluids.
- C. Report symptoms of hyperkalemia to the provider.
- D. Request an order to increase the patient’s potassium dose.
Correct answer: A
Rationale: Oliguria, tachycardia, and abdominal cramping are signs of hyperkalemia, so the nurse should request an order for serum electrolytes to assess the patient's potassium levels. Encouraging the patient to consume less fluids would not address the underlying issue of potential hyperkalemia. Reporting symptoms of hyperkalemia to the provider is not as proactive as directly requesting serum electrolytes. Increasing the patient's potassium dose would worsen hyperkalemia, which is already suspected based on the symptoms presented.
5. A client with gastroesophageal reflux disease (GERD) has been experiencing severe reflux during sleep. Which recommendation by the nurse is most effective to assist the client?
- A. Losing weight.
- B. Decreasing caffeine intake.
- C. Avoiding large meals.
- D. Raising the head of the bed on blocks.
Correct answer: D
Rationale: The correct answer is to raise the head of the bed on blocks (reverse Trendelenburg position). This elevation helps reduce reflux by using gravity to keep stomach contents from flowing back into the esophagus during sleep. Losing weight (Choice A) could be beneficial in managing GERD, but it may not be as effective for immediate relief during sleep. Decreasing caffeine intake (Choice B) and avoiding large meals (Choice C) are also valuable recommendations to manage GERD; however, they may not specifically address the issue of reflux during sleep as directly and effectively as elevating the head of the bed.
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