HESI LPN
HESI Practice Test for Fundamentals
1. A client with a history of severe anxiety is scheduled for surgery. Which preoperative medication is the most appropriate for the LPN/LVN to administer to this client?
- A. Lorazepam (Ativan)
- B. Morphine sulfate
- C. Meperidine (Demerol)
- D. Promethazine (Phenergan)
Correct answer: A
Rationale: Lorazepam (Ativan) is the most appropriate preoperative medication for a client with severe anxiety. Lorazepam belongs to the benzodiazepine class and is commonly used to manage anxiety before surgical procedures due to its anxiolytic properties. Morphine sulfate and Meperidine (Demerol) are opioid analgesics, not typically indicated for preoperative anxiety. Promethazine (Phenergan) is an antihistamine used for nausea and vomiting, not anxiety management.
2. When reviewing a client’s fluid and electrolyte status, what should the nurse report to the provider?
- A. Potassium 5.4
- B. Sodium 140
- C. Calcium 8.6
- D. Magnesium 2.0
Correct answer: A
Rationale: The correct answer is A: 'Potassium 5.4'. A potassium level of 5.4 is elevated (normal range is typically 3.5-5.0 mEq/L) and may indicate hyperkalemia, which can have serious cardiac implications. Elevated potassium levels can lead to life-threatening arrhythmias, so immediate reporting and intervention are necessary. Choice B, 'Sodium 140', falls within the normal range (135-145 mEq/L) and does not require immediate reporting. Choice C, 'Calcium 8.6', falls within the normal range (8.5-10.5 mg/dL) and is not an immediate concern. Choice D, 'Magnesium 2.0', is within the normal range (1.5-2.5 mEq/L) and does not need urgent reporting. Therefore, the nurse should prioritize reporting the elevated potassium level as it poses the most immediate risk.
3. What intervention is most important for the LPN/LVN to implement for a male client experiencing urinary retention?
- A. Apply a condom catheter.
- B. Apply a skin protectant.
- C. Encourage increased fluid intake.
- D. Assess for bladder distention.
Correct answer: D
Rationale: The most important intervention for the LPN/LVN to implement for a male client experiencing urinary retention is to assess for bladder distention. This assessment is crucial as it helps identify the underlying cause of urinary retention, such as bladder distention or obstruction. By assessing the bladder, the LPN/LVN can determine the appropriate interventions needed, such as catheterization, medication administration, or further evaluation by the healthcare provider. Applying a condom catheter (Choice A) is more suitable for urinary incontinence, not retention. Applying a skin protectant (Choice B) is typically done to prevent skin breakdown in incontinent clients. Encouraging increased fluid intake (Choice C) may be beneficial for some urinary issues but is not the priority intervention for urinary retention.
4. A nurse in a provider's office is assessing the deep tendon reflexes of a client. Which of the following techniques should the nurse identify as indicating the correct method for eliciting the client's patellar reflex?
- A. Tap just below the knee
- B. Tap on the upper thigh
- C. Tap on the ankle
- D. Tap on the lower leg
Correct answer: A
Rationale: The correct technique for eliciting the client's patellar reflex is to tap just below the knee. This action stimulates the stretch receptors in the patellar tendon, leading to a reflex contraction of the quadriceps muscle and extension of the lower leg. Tapping on the upper thigh (Choice B) would not elicit the patellar reflex as it targets a different area. Similarly, tapping on the ankle (Choice C) or tapping on the lower leg (Choice D) would not produce the desired response associated with the patellar reflex, making them incorrect choices.
5. The patient is being taught about flossing and oral hygiene. What instruction will the nurse include in the teaching session?
- A. Using waxed floss helps prevent bleeding
- B. Flossing removes plaque and tartar from the teeth
- C. Flossing at least 3 times a day is beneficial
- D. Applying toothpaste before flossing is harmful
Correct answer: B
Rationale: The correct answer is B. Flossing is essential for removing plaque and tartar between teeth, contributing to better oral hygiene. Choice A is not entirely accurate as waxed floss may not solely prevent bleeding. Flossing three times a day, as mentioned in choice C, can be excessive and unnecessary, while choice D is incorrect as applying toothpaste before flossing is not harmful but might not provide additional benefits.
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