HESI LPN
HESI Fundamentals Practice Questions
1. A client in a provider’s office tells the nurse that, 'I fast for several days each week to help control my weight.' The client takes several medications for various chronic issues. The nurse should explain to the client that which of the following mechanisms that result from fasting puts her at risk for medication toxicity?
- A. Increasing the metabolism of the medications over time
- B. Increasing the protein-binding response
- C. Increasing medications’ transit time through the intestines
- D. Decreasing the excretion of medications
Correct answer: B
Rationale: Fasting can lead to an increased protein-binding response of medications. This can result in a higher concentration of bound medications in the bloodstream, potentially causing toxicity as the medications may not be readily available for metabolism or excretion. Choice A is incorrect because fasting typically doesn't increase medication metabolism. Choice C is incorrect as fasting usually decreases transit time through the intestines. Choice D is incorrect since fasting generally does not decrease medication excretion.
2. The healthcare professional caring for a patient who is immobile frequently checks for impaired skin integrity. What is the rationale for this action?
- A. Inadequate blood flow leads to decreased tissue ischemia.
- B. Patients with limited caloric intake develop thicker skin.
- C. Pressure reduces circulation to affected tissue.
- D. Verbalization of skin care needs is decreased.
Correct answer: C
Rationale: The rationale behind checking for impaired skin integrity in an immobile patient is that pressure reduces circulation to the affected tissue. Prolonged pressure on specific body parts can lead to reduced blood flow to those areas, causing tissue damage and potentially leading to pressure ulcers. Choices A, B, and D are incorrect because inadequate blood flow causing decreased tissue ischemia, limited caloric intake leading to thicker skin, and decreased verbalization of skin care needs are not directly related to the rationale for checking for impaired skin integrity in immobile patients.
3. When caring for an older adult client who becomes agitated when asked to remove dentures before surgery, which of the following responses should the nurse make?
- A. "What worries you about being without your teeth?"
- B. "You need to follow the preoperative instructions and remove your dentures."
- C. "It's important to remove dentures to ensure proper fitting of the mask during anesthesia."
- D. "I will explain why dentures need to be removed before surgery."
Correct answer: A
Rationale: The correct response is to ask the client about their concerns regarding being without their teeth. This approach helps address the client's anxiety and provides insight into the reason for their agitation. Choice B is authoritarian and does not address the client's emotional needs. Choice C focuses on the technical aspect of surgery and does not address the client's emotional state. Choice D implies a one-way communication without addressing the client's feelings or concerns.
4. A healthcare professional is preparing to perform nasal tracheal suctioning for a client. Which of the following is an appropriate action for the healthcare professional to take?
- A. Hold the suction catheter with the non-dominant hand.
- B. Apply suctioning for 20 to 30 seconds.
- C. Place the catheter in a clean and dry location for later use.
- D. Use surgical asepsis when performing the procedure.
Correct answer: D
Rationale: Using surgical asepsis when performing nasal tracheal suctioning is crucial to prevent infection. Choice A is incorrect because the suction catheter should be held with the dominant hand to ensure better control and precision during the procedure. Choice B is incorrect as suctioning should be applied for no longer than 10 to 15 seconds to avoid trauma to the mucous membranes. Choice C is incorrect as the catheter should be disposed of properly after single-use to prevent cross-contamination and infection.
5. The client is advised to take dexamethasone (Decadron) with food or milk. What is the physiological basis for this advice?
- A. Inhibits pepsin production
- B. Stimulates hydrochloric acid production
- C. Delays stomach emptying time
- D. Reduces hydrochloric acid production
Correct answer: B
Rationale: The correct answer is B: Stimulates hydrochloric acid production. Dexamethasone can stimulate the production of hydrochloric acid in the stomach, which may lead to irritation of the stomach lining. Taking dexamethasone with food or milk helps to neutralize or buffer the acid, reducing the risk of stomach irritation. Choice A is incorrect because dexamethasone does not inhibit pepsin production. Choice C is incorrect as dexamethasone does not slow stomach emptying time. Choice D is incorrect as dexamethasone does not reduce hydrochloric acid production.
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