HESI RN
HESI Medical Surgical Exam
1. A client with Diabetes Insipidus (DI) is being cared for by a nurse. Which data warrants the most immediate intervention by the nurse?
- A. Serum sodium of 185 mEq/L (185 mmol/L)
- B. Dry skin with poor skin turgor
- C. Apical rate of 110 beats per minute
- D. Polyuria and excessive thirst
Correct answer: A
Rationale: A serum sodium level of 185 mEq/L (185 mmol/L) is dangerously high and indicates severe dehydration, requiring immediate intervention to prevent neurological damage. The other options are not as critical as high serum sodium levels, which can lead to serious complications such as seizures, coma, and death if not promptly addressed. Dry skin with poor skin turgor and polyuria with excessive thirst are common findings in clients with Diabetes Insipidus and should be managed but do not pose an immediate threat to the client's life. An apical heart rate of 110 beats per minute may indicate tachycardia, which could be related to dehydration but is not as urgent as addressing the severe hypernatremia.
2. What is the correct procedure for performing an ophthalmoscopic examination on a client's right retina?
- A. Instruct the client to focus on a distant object behind the examiner and not move their eyes during the exam.
- B. Set the ophthalmoscope on the plus 2 to 3 lens and hold it in front of the examiner's right eye.
- C. From a distance of 12 to 15 inches and slightly to the side, shine the light into the client's pupil.
- D. For optimal visualization, keep the ophthalmoscope at least 3 inches from the client's eye.
Correct answer: C
Rationale: During an ophthalmoscopic examination, the client should focus on a distant object behind the examiner to dilate the pupil, and the examiner should stand at a distance of 12-15 inches away and slightly to the side. This angle allows for better visualization of the retina. Holding the ophthalmoscope firmly against the examiner's face and shining the light into the client's pupil helps examine the retina effectively. Choice A is incorrect because the client should look at a distant object, not the examiner's nose. Choice B is incorrect as the ophthalmoscope should be directed towards the client's eye, not the examiner's eye. Choice D is incorrect because keeping the ophthalmoscope at least 3 inches away may not provide an optimal view of the retina.
3. The nurse is preparing to administer an antibiotic to a patient who has been receiving the antibiotic for 2 days after a culture was obtained. The nurse notes increased erythema and swelling, and the patient has a persistent high fever of 39°C. What is the nurse’s next action?
- A. Administer the antibiotic as ordered.
- B. Contact the provider to request another culture.
- C. Discuss the need to add a second antibiotic with the provider.
- D. Review the sensitivity results from the patient’s culture.
Correct answer: D
Rationale: In this scenario, the nurse is observing signs of a possible lack of response to the current antibiotic therapy, such as increased erythema, swelling, and persistent high fever. The next appropriate action for the nurse is to review the sensitivity results from the patient’s culture. This step is crucial to determine if the current antibiotic is effective against the causative organism. If the sensitivity results indicate resistance to the current antibiotic, the antibiotic should be discontinued, and the provider should be notified for a change in therapy. Contacting the provider to request another culture is not the immediate priority, as the existing culture results need to be reviewed first. Adding a second antibiotic should only be considered after confirming the sensitivity results, as unnecessary antibiotic use can lead to antimicrobial resistance.
4. A client presents with a urine specific gravity of 1.018. What action should the nurse take?
- A. Evaluate the client’s intake and output for the past 24 hours.
- B. Document the finding in the chart and continue to monitor.
- C. Obtain a specimen for a urine culture and sensitivity.
- D. Encourage the client to drink more fluids, especially water.
Correct answer: B
Rationale: A urine specific gravity of 1.018 falls within the normal range, indicating adequate hydration. Therefore, the appropriate action is to document this finding in the client's chart and continue monitoring. There is no need to evaluate intake and output, as the specific gravity is normal. Obtaining a urine culture and sensitivity or encouraging increased fluid intake is unnecessary in this situation.
5. Which of the following interventions is most appropriate for a patient with acute pancreatitis?
- A. Administering oral fluids.
- B. Administering IV fluids.
- C. Administering analgesics.
- D. Encouraging the patient to ambulate.
Correct answer: B
Rationale: The most appropriate intervention for a patient with acute pancreatitis is administering IV fluids. IV fluid administration is crucial in managing acute pancreatitis as it helps maintain hydration, correct electrolyte imbalances, and prevent shock. Administering oral fluids (Choice A) may not be sufficient to address the fluid loss and maintain hydration in these patients. While analgesics (Choice C) are important for pain management in pancreatitis, addressing hydration and shock prevention takes precedence. Encouraging the patient to ambulate (Choice D) may be beneficial in some cases for preventing complications like deep vein thrombosis, but it is not the primary intervention needed in the acute phase of pancreatitis.
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