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. A patient has a serum potassium level of 2.7 mEq/L. The patient’s provider has determined that the patient will need 200 mEq of potassium to replace serum losses. How will the nurse caring for this patient expect to administer the potassium?
- A. As a single-dose 200 mEq oral tablet
- B. As an intravenous bolus over 15 to 20 minutes
- C. In an intravenous solution at a rate of 10 mEq/hour
- D. In an intravenous solution at a rate of 45 mEq/hour
Correct answer: C
Rationale: For a patient with severe hypokalemia with a serum potassium level of 2.7 mEq/L requiring 200 mEq of potassium replacement, the appropriate route of administration would be intravenous. Potassium chloride should be administered slowly to prevent adverse effects; therefore, the correct option is to administer the potassium in an intravenous solution at a rate of 10 mEq/hour. Choices A and B are incorrect because potassium should not be given as a single-dose oral tablet or as an intravenous bolus over a short period of time due to the risk of adverse effects. Choice D is also incorrect as the rate of 45 mEq/hour exceeds the recommended maximum infusion rate for adults with a serum potassium level greater than 2.5 mEq/L, which is 10 mEq/hour.
3. The client with chronic kidney disease (CKD) is being taught about the necessary sodium restriction in the diet to prevent edema and hypertension. Which statement by the client indicates more teaching is needed?
- A. I am thrilled that I can continue to eat fast food.
- B. I will cut out bacon with my eggs every morning.
- C. My cooking style will change by not adding salt.
- D. I will probably lose weight by cutting out potato chips.
Correct answer: A
Rationale: Choice A, 'I am thrilled that I can continue to eat fast food,' indicates a lack of understanding as fast food is typically high in sodium, which is detrimental for individuals with CKD. The client should be advised to avoid fast food due to its high sodium content. Choices B, C, and D demonstrate a good understanding of the need for sodium restriction in the diet to prevent complications associated with CKD. Cutting out bacon, avoiding salt in cooking, and eliminating high-sodium snacks like potato chips are all positive steps towards managing CKD.
4. A healthcare professional reviews a client’s laboratory results. Which results from the client’s urinalysis should the healthcare professional identify as normal? (Select all that apply.)
- A. pH: 6
- B. Specific gravity: 1.015
- C. Glucose: negative
- D. All of the above
Correct answer: D
Rationale: In a urinalysis, a pH of 6 is within the normal range (typically between 4.6 and 8); a specific gravity of 1.015 is considered normal (usually ranging between 1.005 to 1.030); and a negative glucose result is also normal. Therefore, choices A, B, and C are correct as they fall within the normal values for a urinalysis. Choices A, B, and C are the correct answers, as the pH, specific gravity, and glucose levels are within the normal range for a urinalysis. Choice D is correct because all the listed values are normal. Choices A, B, and C are the correct options as they meet the criteria for normal urinalysis values. The other choices do not fall within the normal range for a urinalysis.
5. A client recently diagnosed with chronic kidney disease (CKD) is receiving discharge instructions from a nurse. Which statements made by the client indicate a correct understanding of the teaching? (Select all that apply.)
- A. I need to ask for an antibiotic when scheduling a dental appointment.
- B. I’ll need to check my blood sugar often to prevent hypoglycemia.
- C. The dose of my pain medication may have to be adjusted.
- D. The need to watch for bleeding with anticoagulants.
Correct answer: A
Rationale: The correct statements indicating a proper understanding of the teaching include the need for antibiotics for dental work, the potential need to adjust pain medication doses, and the importance of monitoring blood sugar levels. The statement about watching for bleeding with anticoagulants is not directly related to CKD and discharge instructions for this condition. Therefore, option A is correct, as it addresses relevant concerns for a client with CKD, while the other options are either unrelated or not specifically mentioned in the scenario.
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