HESI LPN
HESI Fundamental Practice Exam
1. The nurse is preparing to administer a medication through a nasogastric (NG) tube. Which action should the LPN/LVN take to ensure proper administration?
- A. Check the placement of the tube by auscultation.
- B. Flush the tube with 30 ml of water before and after medication administration.
- C. Administer the medication with food to prevent nausea.
- D. Dilute the medication with normal saline before administration.
Correct answer: B
Rationale: To ensure proper administration through a nasogastric tube, the LPN/LVN should flush the tube with 30 ml of water before and after medication administration. This action helps ensure the tube is patent, prevents clogging, and helps deliver the medication effectively. Checking the placement of the tube by auscultation (Choice A) is essential but does not directly relate to ensuring proper administration. Administering the medication with food (Choice C) may not always be appropriate for all medications and may not necessarily prevent nausea. Diluting the medication with normal saline (Choice D) is not a standard practice for all medications administered via an NG tube and may alter the medication's effectiveness.
2. A client has an indwelling urinary catheter. Which of the following actions should the nurse take to prevent infection?
- A. Ensure the catheter tubing is free of kinks.
- B. Clean the perineal area with antiseptic solution daily.
- C. Irrigate the catheter with normal saline every shift.
- D. Secure the catheter to the client's leg.
Correct answer: B
Rationale: Cleaning the perineal area with antiseptic solution daily is essential to prevent infection when caring for a client with an indwelling urinary catheter. This practice helps reduce the risk of introducing pathogens into the urinary tract. Ensuring the catheter tubing is free of kinks (Choice A) is important for maintaining proper urine flow but is not directly related to preventing infection. Irrigating the catheter with normal saline every shift (Choice C) is not a routine practice and can increase the risk of introducing pathogens. Securing the catheter to the client's leg (Choice D) is important for stability but does not directly prevent infection.
3. A client has been coughing for 3 weeks and is beginning to cough up blood. The client has manifestations of which of the following conditions?
- A. Allergic reaction
- B. Ringworm
- C. Systemic lupus erythematosus
- D. Tuberculosis
Correct answer: D
Rationale: The correct answer is D: Tuberculosis. Coughing up blood (hemoptysis) is a key symptom of tuberculosis. Tuberculosis is a respiratory infection caused by the bacterium Mycobacterium tuberculosis. The other options are incorrect because an allergic reaction typically involves symptoms like itching, hives, or swelling, not coughing up blood. Ringworm is a fungal skin infection characterized by a red, circular rash, and systemic lupus erythematosus is an autoimmune disease that primarily affects joints and skin without causing hemoptysis.
4. The healthcare provider prescribes the diuretic metolazone (Zaroxolyn) 7.5 mg PO. Zaroxolyn is available in 5 mg tablets. How much should the LPN/LVN plan to administer?
- A. 1/2 tablet.
- B. 1 tablet.
- C. 1 1/2 tablets.
- D. 2 tablets.
Correct answer: C
Rationale: To administer 7.5 mg of metolazone (Zaroxolyn), the LPN/LVN should plan to give 1 1/2 tablets since each tablet contains 5 mg. Choice A (1/2 tablet) would not provide the full prescribed dose. Choice B (1 tablet) would only deliver 5 mg, which is less than the prescribed dose. Choice D (2 tablets) would exceed the prescribed dose, resulting in 10 mg instead of the required 7.5 mg. Therefore, the correct answer is to administer 1 1/2 tablets to achieve the prescribed 7.5 mg.
5. A client is 24 hours postoperative following an inguinal hernia repair. The client is tolerating clear liquids well, has active bowel sounds, and is expressing a desire for “real food.†The nurse tells the client, “I will call the surgeon and ask for a change in diet.†The surgeon hears the nurse’s report and prescribes a full liquid diet. The nurse used which of the following levels of critical thinking?
- A. Basic
- B. Commitment
- C. Complex
- D. Integrity
Correct answer: C
Rationale: The nurse demonstrated complex critical thinking by assessing the client's condition, evaluating the need for a change, and making a recommendation to the surgeon. In this scenario, the nurse went beyond simply following instructions or making routine decisions (basic critical thinking). There was a depth of analysis and decision-making involved, showing a higher level of critical thinking than basic or commitment levels. Integrity is about adherence to ethical principles and honesty, not directly related to the critical thinking process.
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