HESI LPN
HESI Fundamentals Exam
1. A 3-year-old child has had multiple tooth extractions while under general anesthesia. The client returns from the post-anesthesia care unit crying but awake. Which approach is likely to be successful?
- A. Examine the mouth first
- B. Reassure the child
- C. Examine the mouth last
- D. Offer a pacifier
Correct answer: C
Rationale: In this scenario, it is crucial to prioritize the comfort of the child. By examining the mouth last, discomfort is minimized, and the child is given the opportunity to settle down. Choosing to examine the mouth first may escalate the distress of the child further. While reassuring the child is important, in this case, addressing the physical discomfort before providing emotional reassurance is more effective. Offering a pacifier may provide some comfort, but addressing the immediate physical discomfort by examining the mouth last is the most appropriate action to help the child settle down after the procedure.
2. When reviewing EBP about the administration of O2 therapy, what is the recommended maximum flow rate for regulating O2 via nasal cannula?
- A. Regulate O2 via nasal cannula no more than 6L
- B. Regulate O2 via nasal cannula no more than 2L
- C. Regulate O2 via nasal cannula no more than 4L
- D. Regulate O2 via nasal cannula no more than 8L
Correct answer: A
Rationale: The correct answer is to regulate O2 via nasal cannula no more than 6L. This flow rate is generally recommended to ensure adequate oxygen delivery without causing discomfort or potential harm to the patient. Choices B, C, and D are incorrect as they suggest flow rates that are either too low (2L, 4L) or too high (8L). A flow rate of 2L might not provide sufficient oxygen, while 4L could be inadequate for some patients. On the other hand, a flow rate of 8L could be excessive and potentially harmful, leading to complications like oxygen toxicity. Therefore, the optimal recommendation is to regulate O2 via nasal cannula at a maximum of 6L to balance effectiveness and safety.
3. A healthcare professional is preparing to administer 750 mL of 0.9% sodium chloride IV to infuse over 7 hr. The professional should set the infusion pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
- A. 107 mL/hr
- B. 120 mL/hr
- C. 95 mL/hr
- D. 100 mL/hr
Correct answer: A
Rationale: To calculate the infusion rate, divide the total volume (750 mL) by the total time (7 hr). 750 ÷ 7 ≈ 107 mL/hr. Choice A is correct because it accurately calculates the infusion rate based on the total volume and time. Choices B, C, and D are incorrect as they do not reflect the correct calculation for the infusion rate in this scenario.
4. 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.
5. A client with chronic obstructive pulmonary disease (COPD) is being discharged with home oxygen therapy. Which statement by the client indicates a need for further teaching?
- A. I will keep my oxygen tank upright at all times.
- B. I will not use petroleum jelly to keep my nose from drying out.
- C. I will not smoke or allow others to smoke around me.
- D. I will call my doctor if I have difficulty breathing.
Correct answer: B
Rationale: The correct answer is B. Petroleum jelly is flammable and should not be used with oxygen therapy due to the risk of fire. The client should avoid using petroleum-based products around oxygen equipment. Choices A, C, and D are all appropriate statements for a client with COPD receiving home oxygen therapy. Keeping the oxygen tank upright ensures proper oxygen flow, avoiding smoking or exposure to smoke helps prevent respiratory aggravation, and knowing to seek medical help promptly for breathing difficulties is essential for managing COPD effectively.
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