HESI LPN
HESI CAT Exam
1. The healthcare provider prescribes a fluid challenge of 0.9% sodium chloride 1,000 ml to be infused over 4 hours. The IV administration set delivers 10gtt/ml. How many gtt/minute should the nurse regulate the infusion? (Enter a numeric value only. If rounding is required, round to the nearest whole number.)
- A. 42
- B.
- C.
- D.
Correct answer: A
Rationale: To calculate the rate: (1000 ml / 4 hours) = 250 ml/hour; (250 ml/hour) / (60 minutes/hour) = 4.17 ml/minute; (4.17 ml/minute) * (10 gtt/ml) = 41.7 gtt/minute, rounded to 42 gtt/minute. Therefore, the nurse should regulate the infusion at 42 gtt/minute to deliver the prescribed fluid challenge accurately. The other choices are incorrect as they do not reflect the correct calculation based on the given information.
2. Which assessment finding is most indicative of deep vein thrombosis (DVT) in a client’s right leg?
- A. Dorsiflexes the right foot and left foot on command
- B. A 3 by 5 cm ecchymosis area on the right calf
- C. Right calf is 3 cm larger in circumference than the left calf
- D. Bilateral lower extremities have 3+ pitting edema
Correct answer: C
Rationale: The correct answer is C because a significant difference in calf circumference between the legs is a classic sign of DVT. This is due to the obstruction of blood flow in the deep veins of the leg, leading to swelling in the affected limb. Choices A, B, and D are not typical findings of DVT. Choice A describes a neurological response, choice B indicates a bruise on the right calf, and choice D describes pitting edema in both lower extremities, which are not specific signs of DVT.
3. When assessing a client's blood pressure and determining an auscultatory gap, which action should the nurse implement?
- A. Compare the palpated systolic blood pressure with the auscultated pressure
- B. Assess the client for lightheadedness upon standing
- C. Determine if an automated blood pressure reading is consistent with the manual reading
- D. Observe for changes in blood pressure between lying and sitting positions
Correct answer: A
Rationale: When an auscultatory gap is present, comparing the palpated systolic blood pressure with the auscultated pressure is crucial. This helps to accurately measure blood pressure and detect any discrepancies caused by the gap. Assessing for lightheadedness upon standing (choice B) is unrelated to addressing an auscultatory gap. Checking the consistency between automated and manual blood pressure readings (choice C) is important for validation but not specifically for managing an auscultatory gap. Observing blood pressure changes between lying and sitting positions (choice D) is relevant for orthostatic hypotension assessment but not for dealing with an auscultatory gap.
4. The unlicensed assistive personnel (UAP) has applied a gown and gloves and secured the tops of the gloves over the gown sleeves. What action should the nurse take?
- A. Confirm that the gown is tied securely at the neck and waist
- B. Remind the UAP to wash hands frequently while in the room
- C. Assist the UAP with application of the face mask or face shield
- D. Help the UAP reposition the gown sleeve over the gloves edges
Correct answer: D
Rationale: Proper application of personal protective equipment (PPE) is crucial to maintain infection control. In this scenario, the nurse should help the UAP reposition the gown sleeve over the gloves' edges. This action ensures that the gown properly covers the gloves, reducing the risk of contamination. Choices A, B, and C are incorrect because the primary concern is to address the improper application of PPE by repositioning the gown sleeves over the gloves, not checking other aspects of PPE or reminding about hand hygiene.
5. While teaching a young male adult to use an inhaler for his newly diagnosed asthma, the client stares into the distance and appears to be concentrating on something other than the lesson the nurse is presenting. What action should the nurse take?
- A. Remind the client of the importance of using a rescue inhaler for asthma management
- B. Leave the client alone to process his thoughts about the inhaler
- C. Ask the client what he is thinking about at that moment
- D. Pause and inquire if the client has any questions or needs clarification
Correct answer: C
Rationale: In this scenario, the most appropriate action for the nurse to take is to ask the client what he is thinking about at that moment. By doing so, the nurse can understand the client's concerns or distractions, which can then be addressed effectively during the teaching session. Option A is incorrect as it assumes the client is not paying attention due to forgetfulness about the importance of the inhaler, which may not be the case. Option B is incorrect because leaving the client alone without addressing the issue does not facilitate effective learning. Option D, although closer, does not directly address the client's distraction and may not uncover the underlying issue causing the lack of focus.
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