HESI RN
HESI Medical Surgical Exam
1. A client receives a prescription for 1 liter of lactated Ringer's intravenously to be infused over 6 hours. How many mL/hr should the nurse program the infusion pump to deliver? (Enter numerical value only. If rounding is needed, round to the nearest whole number.)
- A. 167 mL/hr
- B. 200 mL/hr
- C. 83 mL/hr
- D. 111 mL/hr
Correct answer: A
Rationale: The correct infusion rate is 167 mL/hr. This is calculated by dividing the total volume (1000 mL) by the total time (6 hours), resulting in 166.67 mL/hr, which should be rounded to the nearest whole number as 167 mL/hr. This calculation ensures a steady infusion rate over the specified time frame. Choices B, C, and D are incorrect as they do not accurately reflect the correct calculation based on the volume and time provided in the prescription.
2. 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.
3. After a urography, a client is instructed by a nurse. Which instruction should the nurse include in this client’s discharge teaching?
- A. Avoid direct contact with your urine for 24 hours until the dye clears.
- B. You may experience dribbling of urine for several weeks post-procedure.
- C. Drink at least 3 liters of fluids today to assist in dye elimination.
- D. Your skin may turn slightly yellow from the dye used in this procedure.
Correct answer: C
Rationale: It is important for the client to increase fluid intake to aid in the rapid elimination of the potentially nephrotoxic dye used in urography. This instruction will help prevent any adverse effects related to the dye. Choices A, B, and D are incorrect because the dye used in urography is not radioactive, so there is no need to avoid direct contact with urine, urine dribbling is not a common post-procedure occurrence, and the dye should not cause the client's skin to change color.
4. A client with chronic kidney disease starts on hemodialysis. During the first dialysis treatment, the client's blood pressure drops from 150/90 to 80/30. Which action should the nurse take first?
- A. Stop the dialysis treatment
- B. Administer 5% albumin IV
- C. Monitor blood pressure every 45 minutes
- D. Lower the head of the chair and elevate feet
Correct answer: D
Rationale: The initial action the nurse should take when a client's blood pressure drops significantly during hemodialysis is to lower the head of the chair and elevate the feet. This position adjustment helps improve blood flow to the brain and vital organs, assisting in stabilizing blood pressure. Stopping the dialysis treatment immediately may not be necessary if the blood pressure can be managed effectively by position changes. Administering 5% albumin IV is not the first-line intervention for hypotension during dialysis. Monitoring blood pressure every 45 minutes is important but not the immediate action needed to address the significant drop in blood pressure observed during the dialysis session.
5. The nurse is assessing an older adult with a pacemaker who leads a sedentary lifestyle. The client reports being unable to perform activities that require physical exertion. The nurse should further assess the client for which of the following?
- A. Left ventricular atrophy.
- B. Irregular heartbeats.
- C. Peripheral vascular occlusion.
- D. Pacemaker function.
Correct answer: A
Rationale: The correct answer is A: Left ventricular atrophy. Older adults who lead sedentary lifestyles are at risk of developing left ventricular atrophy, which can lead to decreased cardiac output during physical exertion. This condition can contribute to the client's inability to perform activities requiring physical exertion. Choice B, irregular heartbeats, may be a consideration due to the presence of a pacemaker, but the client's reported inability to perform physically exerting activities is more indicative of a structural issue like left ventricular atrophy rather than a rhythm-related problem. Peripheral vascular occlusion (Choice C) is less likely to be the cause of the client's symptoms compared to the cardiac-related issue of left ventricular atrophy. While assessing pacemaker function (Choice D) is important, the client's symptoms are more suggestive of a cardiac structural issue rather than a malfunction of the pacemaker.
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