HESI RN
Evolve HESI Medical Surgical Practice Exam
1. A client reports for a scheduled electroencephalogram (EEG). Which statement by the client indicates a need for additional preparation for the test?
- A. I didn’t shampoo my hair.
- B. I ate breakfast this morning.
- C. I didn’t take my anticonvulsant today.
- D. It was hard not to drink coffee this morning, but I knew that I couldn’t, so I didn’t.
Correct answer: A
Rationale: The correct answer is A. For an EEG, it is essential that the client's hair is clean, without any products like hairspray or gel, to ensure good electrode contact with the scalp. Choice B is not a concern as having breakfast is allowed before the test. Choice C, not taking an anticonvulsant, might be required for certain types of EEGs to capture accurate brain activity. Choice D, not drinking coffee, is not a specific requirement for an EEG preparation.
2. The nurse assesses a client who is newly diagnosed with hyperthyroidism and observes that the client's eyeballs are protuberant, causing a wide-eyed appearance and eye discomfort. Based on this finding, which action should the nurse include in the client's plan of care?
- A. Assess for signs of increased intracranial pressure
- B. Prepare to administer intravenous levothyroxine
- C. Review the client's serum electrolyte values
- D. Obtain a prescription for artificial tear drops
Correct answer: D
Rationale: In hyperthyroidism, eye discomfort due to protuberant eyeballs (exophthalmos) can be alleviated by using artificial tear drops. These drops help prevent complications associated with dry eyes and promote comfort. Assessing for signs of increased intracranial pressure (Choice A) is not directly related to the client's eye discomfort from hyperthyroidism. Administering intravenous levothyroxine (Choice B) is not the appropriate intervention for managing eye discomfort in hyperthyroidism. Reviewing serum electrolyte values (Choice C) is important in hyperthyroidism but is not directly addressing the client's current eye discomfort and protuberant eyeballs.
3. The patient weighs 75 kg and is receiving IV fluids at a rate of 50 mL/hour, having consumed 100 mL orally in the past 24 hours. What action will the nurse take?
- A. Contact the provider to ask about increasing the IV rate to 90 mL/hour.
- B. Discuss with the provider the need to increase the IV rate to 150 mL/hour.
- C. Encourage the patient to drink more water so the IV can be discontinued.
- D. Instruct the patient to drink 250 mL of water every 8 hours.
Correct answer: A
Rationale: The recommended daily fluid intake for adults is 30 to 40 mL/kg/day. For a patient weighing 75 kg, the minimum intake should be 2250 mL/day. The patient is currently receiving 1200 mL IV and 100 mL orally, totaling 1300 mL. Increasing the IV rate to 90 mL/hour would provide a total of 2160 mL, which could meet the patient's needs if oral intake continues. Option B suggests increasing the IV rate to 150 mL/hour, resulting in an excessive fluid intake of 3600 mL/day, surpassing the recommended amount. Option C, encouraging increased fluid intake, is not recommended as the patient is already struggling with fluid intake. Option D, instructing the patient to drink 250 mL of water every 8 hours, would still fall short of the required fluid intake of 2250 mL/day.
4. A serum phenytoin determination is prescribed for a client with a seizure disorder who is taking phenytoin (Dilantin). Which result indicates that the prescribed dose of phenytoin is therapeutic?
- A. 3 mcg/mL
- B. 8 mcg/mL
- C. 16 mcg/mL
- D. 28 mcg/mL
Correct answer: C
Rationale: The correct answer is 16 mcg/mL (Choice C). The therapeutic serum phenytoin range is typically 10 to 20 mcg/mL. A level below this range may lead to continued seizure activity, indicating subtherapeutic levels. Choices A, B, and D are below the therapeutic range and would not be considered therapeutic for a client with a seizure disorder on phenytoin therapy.
5. A client's urinalysis results show a urine osmolality of 1200 mOsm/L. What action should the nurse take?
- A. Encourage the client to drink more fluids.
- B. Contact the provider and recommend a low-sodium diet.
- C. Prepare to administer an intravenous diuretic.
- D. Obtain a suction device and implement seizure precautions.
Correct answer: A
Rationale: The correct action for the nurse to take when the client has a urine osmolality of 1200 mOsm/L, indicating dehydration, is to encourage the client to drink more fluids. Dehydration can lead to elevated urine osmolality, and increasing fluid intake can help rehydrate the client. A low-sodium diet is not the priority in this scenario as it would not directly address the dehydration indicated by the high urine osmolality. Administering an intravenous diuretic would further concentrate the urine, exacerbating the dehydration. Obtaining a suction device and implementing seizure precautions are not indicated based on the client's urine osmolality results and would not address the underlying issue of dehydration.
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