HESI LPN
HESI CAT Exam 2024
1. When lactulose (Cephulac) 30 ml QID is prescribed for a male client with advanced cirrhosis, and he complains that it causes diarrhea, what action should the nurse take in response to the client’s statement?
- A. Explain that diarrhea is expected, but the drug reduces ammonia levels
- B. Document that the client is non-compliant with his treatment plan
- C. Tell the client to be concerned about more significant side effects of this drug
- D. Obtain a prescription for loperamide (Imodium) 4mg PO PRN diarrhea
Correct answer: A
Rationale: The correct answer is A. Diarrhea is an expected side effect of lactulose when used to reduce ammonia levels in cirrhosis. It helps in decreasing the absorption of ammonia in the colon, thereby reducing its levels in the blood. Option B is incorrect because it is essential for the nurse to educate the client about the expected side effects of the medication rather than assuming non-compliance. Option C is incorrect as it instills unnecessary fear in the client by suggesting more significant side effects without addressing the current concern. Option D is incorrect as loperamide should not be given automatically for diarrhea caused by lactulose, as the diarrhea is a therapeutic effect of the medication in this context.
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. A client is receiving lidocaine IV at 3 mg/minute. The pharmacy dispenses a 500 ml IV solution of normal saline (NS) with 2 grams of lidocaine. The nurse should regulate the infusion pump to deliver how many ml/hour?
- A. 18
- B. 27
- C. 36
- D. 45
Correct answer: D
Rationale: The infusion rate is calculated based on the concentration of lidocaine and the prescribed rate of infusion. First, convert lidocaine's weight to milligrams (2 grams = 2000 mg). Then, use the formula: (Total volume in ml * dose in mg) / 60 minutes. For this case, (500 ml * 2000 mg) / 60 minutes = 45 ml/hour. Therefore, the correct answer is D. Choices A, B, and C are incorrect as they do not reflect the accurate calculation based on the provided concentration and infusion rate.
4. A postoperative client returns to the nursing unit following a ureterolithotomy via a flank incision. Which potential nursing problem has the highest priority when planning nursing care for this client?
- A. Ineffective airway clearance
- B. Altered nutrition less than body requirements
- C. Fluid volume excess
- D. Activity intolerance
Correct answer: A
Rationale: In this scenario, the highest priority nursing problem for the postoperative client following a ureterolithotomy via a flank incision is ineffective airway clearance. After surgery, there is a risk of airway obstruction due to factors like anesthesia, positioning during surgery, or the presence of secretions. Maintaining a clear airway is crucial to prevent respiratory complications, such as atelectasis or pneumonia. Altered nutrition, fluid volume excess, and activity intolerance are important considerations but are secondary to the immediate threat of compromised airway clearance in the postoperative period.
5. The nurse is preparing an older client for discharge following cataract extraction. Which instruction should be included in the discharge teaching?
- A. Do not read with direct lighting for 6 weeks
- B. Avoid straining during stool passage, bending, or lifting heavy objects
- C. Irrigate conjunctiva with ophthalmic saline after applying antibiotic ointment
- D. Limit exposure to sunlight during the first 2 weeks while the cornea is healing
Correct answer: B
Rationale: The correct instruction to include in the discharge teaching for a client following cataract extraction is to 'Avoid straining during stool passage, bending, or lifting heavy objects.' This is crucial to prevent increased intraocular pressure after surgery, which can be harmful. Reading with direct lighting can strain the eyes but is not the primary concern post-cataract surgery. Irrigating the conjunctiva before applying antibiotic ointment is not a standard practice and may not be necessary. While limiting sunlight exposure is important for eye protection, it is secondary to avoiding activities that can increase intraocular pressure.
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