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 healthcare provider is assessing a client with a diagnosis of acute pancreatitis. Which laboratory value would be most concerning?
- A. Serum amylase of 200 U/L
- B. Serum lipase of 250 U/L
- C. Blood glucose of 200 mg/dL
- D. Serum calcium of 7.5 mg/dL
Correct answer: D
Rationale: In acute pancreatitis, hypocalcemia (low serum calcium) is a critical finding that is associated with a poor prognosis and requires immediate attention. Serum amylase and lipase are typically elevated in acute pancreatitis due to pancreatic inflammation, but they are not indicators of severity. Blood glucose levels may be elevated due to stress or underlying conditions but are not directly related to the severity of acute pancreatitis. Therefore, the most concerning value in this scenario is the low serum calcium level, which can have significant implications for the client's prognosis.
3. A nurse is counseling a middle adult client who describes having difficulty dealing with several issues. Which of the following client statements should the nurse identify as the priority to assess further?
- A. “I am struggling to accept that my parents are aging and need so much help.â€
- B. “It’s been so stressful for me to think about having intimate relationships.â€
- C. “I know I should volunteer my time for a good cause, but maybe I’m just selfish.â€
- D. “I love my grandchildren, but my child expects me to relive my parenting days.â€
Correct answer: A
Rationale: The correct answer is A. The statement about struggling with aging parents indicates a significant stressor that could impact overall well-being and warrants further assessment. This statement reveals a potential source of emotional distress and adjustment difficulties for the client, as aging parents needing help can be a complex issue involving feelings of loss, role reversal, and increased responsibilities. Choices B, C, and D, although important, do not signify as immediate a need for further assessment compared to the challenges related to aging parents. Choice B focuses on intimate relationships, which is a common concern but may not be as urgent as dealing with aging parents. Choice C reflects feelings of selfishness but does not indicate an immediate need for further assessment. Choice D involves expectations from the client's child but does not highlight a critical issue that could impact the client's well-being as directly as struggling with aging parents.
4. The nurse is providing oral care to a patient. In which order will the nurse clean the oral cavity, starting with the first area?
- A. Roof of mouth, gums, and inside cheeks
- B. Chewing and inner tooth surfaces
- C. Outer tooth surfaces
- D. Tongue
Correct answer: C
Rationale: The correct sequence for oral care is to clean the outer tooth surfaces first, followed by cleaning the inner tooth surfaces, then the roof of the mouth, gums, and inside cheeks with a toothette. Brushing the tongue should be the final step in the oral care procedure. Therefore, option C is the correct choice. Options A, B, and D are incorrect because they do not follow the correct order for providing oral care to a patient.
5. A client postoperative expresses pain during dressing changes. What should the nurse prioritize?
- A. Administer pain medication 45 minutes before changing the client’s dressing.
- B. Change the dressing less frequently.
- C. Apply a topical anesthetic before removing the dressing.
- D. Use a non-adherent dressing to reduce pain.
Correct answer: A
Rationale: Administering pain medication before changing the dressing is the priority action as it will help alleviate the client's pain and improve comfort. Choice B, changing the dressing less frequently, may hinder proper wound care and healing. Applying a topical anesthetic (choice C) might offer some relief but systemic pain medication is more effective. Using a non-adherent dressing (choice D) can reduce pain during dressing changes, but addressing immediate pain with medication is the most appropriate intervention in this case.
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