HESI LPN
HESI Fundamentals Exam Test Bank
1. A nurse is preparing an infusion for a client who was hospitalized with deep-vein thrombosis. The orders read: 25,000 units of heparin in 250 mL of 0.9% sodium chloride to infuse at 800 units/hr. At what rate should the nurse set the infusion pump?
- A. 8 mL/hr
- B. 10 mL/hr
- C. 12 mL/hr
- D. 15 mL/hr
Correct answer: A
Rationale: To calculate the infusion rate, use the formula: (Desired units/hr / Total units) × Volume. In this case, it would be (800 units/hr / 25,000 units) × 250 mL = 8 mL/hr. Therefore, the nurse should set the infusion pump at 8 mL/hr. Choice B, 10 mL/hr, is incorrect because it does not match the calculated rate. Choices C and D, 12 mL/hr and 15 mL/hr respectively, are also incorrect as they do not align with the correct calculation based on the provided data.
2. What is the most important action for preventing infection in a client with a central venous catheter?
- A. Changing the catheter dressing every 72 hours.
- B. Flushing the catheter with heparin solution daily.
- C. Ensuring the catheter is clamped when not in use.
- D. Maintaining sterile technique when handling the catheter.
Correct answer: D
Rationale: Maintaining sterile technique when handling a central venous catheter is crucial in preventing infections. This action helps minimize the introduction of pathogens into the catheter site, reducing the risk of contamination and subsequent infection. Changing the catheter dressing every 72 hours, while important, does not directly address the prevention of infection at the insertion site. Flushing the catheter with heparin solution daily helps prevent occlusion but does not primarily focus on infection prevention. Ensuring the catheter is clamped when not in use is essential for preventing air embolism but does not directly relate to infection control.
3. A client who is post-op following a partial colectomy has an NG tube set on low continuous suction. The client complains of a sore throat and asks when the NG tube will be removed. Which response by the nurse is appropriate at this time?
- A. When the GI tract is working again, in about three to five days, the tube can be removed.
- B. The tube will be removed once your nausea improves.
- C. You can expect the tube to be removed in about a week.
- D. The tube will be removed once the drainage stops.
Correct answer: A
Rationale: The correct response is A: 'When the GI tract is working again, in about three to five days, the tube can be removed.' After a partial colectomy, the GI tract needs time to recover and start functioning properly. The NG tube is typically removed when peristalsis returns, indicating GI function restoration, which usually occurs within 3-5 days post-op. Choice B is incorrect because the removal of the NG tube is not solely based on nausea improvement. Choice C is incorrect as it provides a longer duration for tube removal than is usually necessary. Choice D is incorrect as the cessation of drainage alone does not dictate NG tube removal; the return of GI function is the primary indicator.
4. A client reports increased pain following physical therapy. Which of the following questions should be asked to assess the quality of the pain?
- A. Is your pain sharp or dull?
- B. Is your pain constant or intermittent?
- C. On a scale from 1 to 10, how severe is your pain?
- D. Where exactly is your pain located?
Correct answer: A
Rationale: Correct Answer: A. Asking whether the pain is sharp or dull helps in determining the quality of the pain. Sharp pain is often associated with acute conditions, while dull pain may indicate chronic issues. Choices B, C, and D focus on different aspects of pain assessment. Option B pertains to the pattern of pain, either constant or intermittent. Option C addresses the severity of pain on a numerical scale. Option D inquires about the location of pain. While all these questions are essential in pain assessment, when specifically evaluating the quality of pain, distinguishing between sharp and dull sensations is crucial.
5. During a staff meeting, a nurse is discussing the purpose of regulatory agencies. Which of the following tasks should the nurse identify as the responsibility of state licensing boards?
- A. Monitoring evidence-based practice for clients with specific diagnoses.
- B. Ensuring that health care providers comply with regulations.
- C. Setting quality standards for accrediting health care facilities.
- D. Determining the safety of medications for administration to clients.
Correct answer: B
Rationale: State licensing boards are primarily responsible for ensuring that health care providers comply with regulations. This includes overseeing licensure requirements, investigating complaints, and enforcing disciplinary actions. Monitoring evidence-based practice for clients with specific diagnoses is typically within the domain of professional organizations or healthcare institutions. Setting quality standards for accrediting health care facilities is usually the role of accrediting bodies such as The Joint Commission. Lastly, determining the safety of medications for administration to clients falls under the purview of regulatory agencies like the Food and Drug Administration (FDA).
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