HESI LPN
Practice HESI Fundamentals Exam
1. A client with a history of hypertension is prescribed a diuretic. Which of the following laboratory values should the nurse monitor to evaluate the effectiveness of the medication?
- A. Monitor serum calcium levels.
- B. Monitor serum potassium levels.
- C. Monitor serum sodium levels.
- D. Monitor serum magnesium levels.
Correct answer: B
Rationale: The correct answer is to monitor serum potassium levels. When a client is prescribed a diuretic, monitoring serum potassium levels is essential to evaluate the medication's effectiveness and to detect potential electrolyte imbalances. Diuretics can cause potassium loss, leading to hypokalemia, which can have serious consequences such as cardiac arrhythmias. Monitoring serum calcium levels (Choice A) is not typically required when assessing the effectiveness of diuretics. Similarly, monitoring serum sodium levels (Choice C) is important for other conditions but is not the primary concern when evaluating diuretic therapy. Monitoring serum magnesium levels (Choice D) is also important, but potassium levels are more critical in assessing diuretic effectiveness and preventing complications.
2. The healthcare professional is caring for a client with a chest tube. What is the most important action for the healthcare professional to take to ensure the chest tube is functioning properly?
- A. Milk the chest tube to ensure patency.
- B. Clamp the chest tube when moving the client.
- C. Ensure the water seal chamber is filled to the appropriate level.
- D. Secure the chest tube to the client's bed.
Correct answer: C
Rationale: Ensuring the water seal chamber is filled to the appropriate level is crucial to maintain the effectiveness of the chest tube drainage system. This step helps prevent air from entering the pleural space, ensuring proper lung re-expansion. 'Milking' the chest tube is not recommended as it can cause damage to the chest tube and surrounding tissues. Clamping the chest tube is not advisable as it can lead to tension pneumothorax. Securing the chest tube to the bed is important for stability but does not directly impact the functioning of the chest tube.
3. A client with a history of heart failure presents to the clinic with a 2-day history of weight gain, swelling in the legs, and shortness of breath. Which of the following is the most appropriate initial nursing action?
- A. Perform a physical assessment
- B. Review the client's medication list
- C. Instruct the client to elevate the legs
- D. Obtain a detailed dietary history
Correct answer: A
Rationale: Performing a physical assessment is the most appropriate initial nursing action in this scenario. A thorough physical assessment helps evaluate the client's current condition, severity of symptoms, and identify any immediate concerns. This assessment can provide crucial information to guide further interventions and treatment. Reviewing the client's medication list (choice B) is important but may not address the immediate need for assessing the client's current status. Instructing the client to elevate the legs (choice C) may be beneficial but should come after a thorough assessment. Obtaining a detailed dietary history (choice D) is relevant for heart failure management but is not the most urgent initial action when the client presents with acute symptoms like weight gain, leg swelling, and shortness of breath.
4. When performing nasotracheal suctioning for a client with a respiratory infection, what technique should the nurse use?
- A. Apply intermittent suction when withdrawing the catheter
- B. Suction continuously while inserting the catheter
- C. Suction intermittently while inserting the catheter
- D. Use a Yankauer suction device
Correct answer: A
Rationale: When performing nasotracheal suctioning for a client with a respiratory infection, the nurse should apply intermittent suction when withdrawing the catheter. This technique helps minimize mucosal damage and is considered best practice. Choice B, suctioning continuously while inserting the catheter, is incorrect as continuous suctioning can cause trauma to the airway. Choice C, suctioning intermittently while inserting the catheter, is also incorrect as it can increase the risk of hypoxia and mucosal damage. Choice D, using a Yankauer suction device, is not appropriate for nasotracheal suctioning as it is typically used for oral suctioning. Therefore, the correct technique is to apply intermittent suction when withdrawing the catheter to ensure effective and safe suctioning.
5. A client with diabetes mellitus and a new prescription for insulin is being discharged. Which of the following actions should the nurse plan to complete first?
- A. Provide the client with printed information on insulin self-administration.
- B. Obtain printed information on insulin self-administration.
- C. Make a copy of the medication reconciliation form for the client.
- D. Determine whether the client can afford the insulin administration supplies.
Correct answer: B
Rationale: Obtaining printed information on insulin self-administration should be the nurse's first priority. This action ensures that the client has the necessary knowledge to safely self-administer insulin at home. Providing the client with printed information (Choice A) is essential to empower the client with the required knowledge before considering additional resources. Making a copy of the medication reconciliation form for the client (Choice C) is important for documentation purposes but not as urgent as ensuring the client's understanding of insulin administration. Determining the client's ability to afford insulin administration supplies (Choice D) is crucial but should follow after ensuring the client is equipped with the necessary information for safe self-administration.
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