HESI LPN
HESI Fundamental Practice Exam
1. A healthcare professional is preparing to administer dextrose 5% in water (D5W) 1,000-mL IV to infuse over 10 hr. How many mL/hr should the IV infusion pump be set to deliver? (Round the answer to the nearest whole number. Do not use a trailing zero.)
- A. 100 mL/hr
- B. 150 mL/hr
- C. 75 mL/hr
- D. 50 mL/hr
Correct answer: A
Rationale: To infuse 1,000 mL over 10 hr, the IV pump should be set to deliver 100 mL/hr. This calculation is derived by dividing the total volume (1,000 mL) by the total time in hours (10 hr), resulting in the infusion rate of 100 mL/hr. Choices B, C, and D are incorrect as they do not accurately reflect the correct calculation for this scenario.
2. A client with pneumonia has a decrease in oxygen saturation from 94% to 88% while ambulating. Based on these findings, which intervention should the LPN/LVN implement first?
- A. Assist the ambulating client back to the bed.
- B. Encourage the client to ambulate to resolve pneumonia.
- C. Obtain a prescription for portable oxygen while ambulating.
- D. Move the oximetry probe from the finger to the earlobe.
Correct answer: A
Rationale: The correct intervention is to assist the client back to bed. A decrease in oxygen saturation while ambulating indicates hypoxemia, and the immediate priority is to stabilize oxygen levels. Returning the client to bed allows for rest and decreased oxygen demand, potentially preventing further desaturation. Encouraging continued ambulation (Choice B) may worsen the hypoxemia by increasing oxygen demand. Obtaining portable oxygen (Choice C) is essential but should not delay addressing the low oxygen saturation. Moving the oximetry probe (Choice D) may not address the underlying cause of decreased oxygen saturation and should not be the first intervention.
3. A mother tells the nurse that her 2-year-old toddler has temper tantrums and says 'no' every time the mother tries to help them get dressed. The nurse should recognize the toddler is manifesting which of the following stages of development?
- A. Trying to increase independence.
- B. Developing a sense of trust.
- C. Establishing a new identity.
- D. Attempting to master a skill.
Correct answer: A
Rationale: The correct answer is A: Trying to increase independence. Toddlers around the age of 2 often exhibit behaviors like temper tantrums and saying 'no' as they are asserting their independence and autonomy. This behavior is a normal part of their developmental stage where they are starting to explore and assert their own preferences and desires. Choice B, developing a sense of trust, is more relevant to infants during the trust vs. mistrust stage. Choice C, establishing a new identity, is typically associated with adolescence and identity formation. Choice D, attempting to master a skill, is more indicative of a child trying to learn and develop new abilities rather than the behavior described in the scenario.
4. A middle adult client tells the nurse, 'I feel so useless now that my children do not need me anymore.' Which of the following responses should the nurse make?
- A. People in middle adulthood often find satisfaction in nurturing and guiding young people.
- B. It's normal to feel this way; it will pass.
- C. You should focus on finding new activities to fill your time.
- D. Your children will always need you in some way.
Correct answer: A
Rationale: The correct response is A. Middle adulthood is a stage where individuals often experience generativity, finding fulfillment in guiding and nurturing others. By acknowledging this aspect, the nurse can help the client explore opportunities to engage in activities that provide a sense of purpose and satisfaction. Choice A validates the client's feelings and offers a constructive way to address them. Choices B, C, and D do not address the client's emotional need for purpose and may not encourage the client to seek meaningful ways to address their feelings of uselessness.
5. A client admitted with sudden onset of severe back pain of unknown origin. Which statement would be most effective for the nurse to use to elicit further information from this client about his pain?
- A. Tell me how you are feeling right now.
- B. Describe the pain you are experiencing.
- C. Can you tell me more about your back pain?
- D. When did the pain start and how severe is it?
Correct answer: B
Rationale: The correct answer is B: 'Describe the pain you are experiencing.' This question is the most effective as it prompts the client to provide detailed information about the nature of the pain, including its characteristics, intensity, and location. This detailed description can help the nurse in assessing the possible cause and severity of the pain. Choices A, C, and D are not as effective as they are either too general ('Tell me how you are feeling right now'), redundant ('Can you tell me more about your back pain?'), or focused only on timing and severity ('When did the pain start and how severe is it?').
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