HESI LPN
Practice HESI Fundamentals Exam
1. During an eye assessment, what action should the nurse take to assess a client's extraocular eye movements?
- A. Position the client 6.1 m (20 ft) away from the Snellen chart
- B. Instruct the client to follow a finger through the six cardinal positions of gaze
- C. Ask the client to cover their right eye during assessment of the left eye
- D. Hold a finger 46 cm (18 inches) away from the client's eye
Correct answer: B
Rationale: Instructing the client to follow a finger through the six cardinal positions of gaze is the correct action to assess extraocular eye movements effectively. This technique evaluates the function of the six extraocular muscles and cranial nerves III, IV, and VI. Positioning the client 6.1 m away from the Snellen chart is more relevant for visual acuity testing. Asking the client to cover their right eye during the assessment is not necessary for evaluating extraocular movements. Holding a finger at a specific distance in front of the client's eye is not an appropriate method for assessing extraocular eye movements.
2. A healthcare professional is instructing an AP about caring for a client who has a low platelet count. Which of the following instructions is the priority for measuring vital signs for this client?
- A. Avoid measuring the client’s temperature rectally.
- B. Count the client’s radial pulse for 30 seconds and multiply it by 2.
- C. Count the client’s respirations discreetly.
- D. Allow the client to rest for 5 minutes before measuring their BP.
Correct answer: A
Rationale: The correct answer is to avoid measuring the client’s temperature rectally. Rectal temperatures can cause bleeding in clients with low platelet counts. It is crucial to avoid invasive methods that could increase the risk of bleeding or discomfort. Choice B, counting the radial pulse, is not directly related to the risk of bleeding in a client with low platelet count. Choice C, counting respirations discreetly, is important for accuracy but is not the priority when considering the risk of bleeding. Choice D, letting the client rest before measuring blood pressure, is beneficial but is not the priority in preventing potential harm due to low platelet counts.
3. When providing oral care to an unconscious patient, what action should the nurse take to protect the patient from injury?
- A. Moisten the mouth using lemon-glycerin sponges.
- B. Hold the patient's mouth open with gloved fingers.
- C. Use foam swabs to help remove plaque.
- D. Suction the oral cavity.
Correct answer: D
Rationale: When caring for an unconscious patient, it is crucial to prevent choking and aspiration. Suctioning the oral cavity helps in removing secretions and preventing potential harm. Moisten the mouth using lemon-glycerin sponges may not effectively clear secretions. Holding the patient's mouth open with gloved fingers can cause discomfort and potential harm. Using foam swabs to remove plaque may not address the immediate risk of aspiration.
4. The healthcare provider is caring for a client receiving total parenteral nutrition (TPN). Which laboratory value should be monitored closely to assess for complications?
- A. Serum sodium
- B. Serum calcium
- C. Blood urea nitrogen (BUN)
- D. Blood glucose
Correct answer: D
Rationale: The correct answer is D: Blood glucose. Monitoring blood glucose levels is crucial for clients receiving total parenteral nutrition (TPN) due to the high glucose content in TPN solutions. TPN delivers essential nutrients, including glucose, directly into the bloodstream. Clients on TPN are at risk of developing hyperglycemia due to the concentrated glucose infusion. Therefore, close monitoring of blood glucose levels is necessary to detect and prevent hyperglycemia-related complications such as osmotic diuresis, hyperosmolarity, and electrolyte imbalances. While serum sodium, serum calcium, and blood urea nitrogen (BUN) levels are important parameters in various clinical scenarios, they are not specifically associated with TPN administration. These values are not the primary indicators to assess for complications in clients receiving TPN.
5. A client is on bed rest following an abdominal surgery. Which of the following findings indicates the need to increase the frequency of position changes?
- A. Flat rash on the client's ankle
- B. Non-blanching red area over the client's trochanter
- C. Ecchymosis on the client's left shoulder
- D. Petechiae on the client's right anterior thigh
Correct answer: B
Rationale: The presence of a non-blanching red area over the client's trochanter is a concerning finding as it indicates possible pressure ulcer formation. This finding necessitates an increase in the frequency of position changes to prevent skin breakdown. Choices A, C, and D do not directly correlate with the need for increased position changes. A flat rash, ecchymosis, and petechiae may have different causes and would not be addressed by changing the client's position more frequently.
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