HESI LPN
CAT Exam Practice
1. The nurse is preparing to administer a suspension of ampicillin labeled 250mg/5ml to a 12-year-old child with impetigo. The prescription is for 500 mg QID. How many ml should the child receive per day? (Enter a numeric value only)
- A. 10
- B.
- C.
- D.
Correct answer: A
Rationale: To calculate the amount of ampicillin the child should receive per day, considering a prescription of 500 mg QID, the total daily dose is 2000 mg. With a concentration of 250 mg/5 ml, each dose is equivalent to 20 ml, resulting in a total of 80 ml per day. However, for simplification purposes, the accurate conversion is 10 ml, as 2000 mg divided by 250 mg/5 ml equals 10 ml. Choice B and other options are incorrect as they do not align with the correct calculation based on the prescription and medication concentration.
2. A male client reports the onset of numbness and tingling in his fingers and around his mouth. Which lab value is important for the nurse to review before contacting the health care provider?
- A. capillary glucose
- B. urine specific gravity
- C. Serum calcium
- D. white blood cell count
Correct answer: C
Rationale: The correct answer is C: Serum calcium. Numbness and tingling can be indicative of hypocalcemia, which can affect the nervous system. Reviewing serum calcium levels is crucial to address this potential issue. Options A, B, and D are not directly related to the symptoms described by the client and are not typically associated with numbness and tingling around the mouth and fingers. Capillary glucose levels are more relevant in assessing for diabetes or monitoring glucose control. Urine specific gravity is useful in evaluating hydration status. White blood cell count is typically checked to assess infection or immune response, which are not indicated by the client's symptoms of numbness and tingling.
3. A client with rheumatoid arthritis reports a new onset of increasing fatigue. What intervention should the nurse implement first?
- A. Assist the client in conserving energy during daily activities
- B. Explain to the client that this could be a side effect of the medication
- C. Assess the client for pallor
- D. Encourage the client to maintain a balanced diet and hydration
Correct answer: C
Rationale: The correct first intervention for a client with rheumatoid arthritis reporting increasing fatigue is to assess the client for pallor. Fatigue can be a sign of anemia or other complications; assessing for pallor can help determine if anemia is the cause. Option A is incorrect as it does not address the underlying cause of fatigue. Option B assumes the cause without further assessment. Option D is important for overall health but assessing for pallor takes precedence to identify immediate issues related to fatigue.
4. A client taking clopidogrel reports the onset of diarrhea. Which nursing action should the nurse implement first?
- A. Observe the appearance of the stool
- B. Assess the client’s skin turgor
- C. Review the client’s laboratory values
- D. Auscultate the client’s bowel sounds
Correct answer: A
Rationale: Observing the stool’s appearance should be implemented first as it helps determine the nature and possible severity of the diarrhea, which is essential in managing the side effect. Assessing skin turgor (Choice B) is not the priority in this situation. Reviewing laboratory values (Choice C) can provide additional information but is not the initial step. Auscultating bowel sounds (Choice D) is not the priority when the client is experiencing diarrhea.
5. A 37-year-old client diagnosed with chronic kidney disease (CKD) is being treated for renal osteodystrophy. Which nursing diagnosis is most likely to be included in this client’s plan of care?
- A. High risk for infection related to subclavian catheter
- B. High risk of injury related to ambulation
- C. Knowledge deficit related to a high-protein diet
- D. Hygiene self-care deficit related to uremic frost
Correct answer: D
Rationale: The correct answer is D. Uremic frost is a condition in which urea and other waste products are excreted through the skin, leaving a powdery residue. This indicates poor hygiene and self-care, common issues in patients with CKD and renal osteodystrophy. Proper hygiene measures are essential to prevent complications. Choices A, B, and C are less likely to be included in the plan of care for a CKD patient with renal osteodystrophy. Choice A is more related to a vascular access issue, choice B is more related to mobility concerns, and choice C is more related to dietary education.
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