HESI RN
HESI Medical Surgical Exam
1. Which of the following is a primary intervention for a patient with sepsis?
- A. Administering antibiotics
- B. Administering IV fluids
- C. Administering antipyretics
- D. Monitoring blood cultures
Correct answer: D
Rationale: Monitoring blood cultures is a primary intervention for a patient with sepsis because it helps identify the causative organism, which is crucial in guiding appropriate antibiotic therapy. Administering antibiotics (Choice A) is important in treating sepsis but is considered a secondary intervention. Administering IV fluids (Choice B) is also crucial for sepsis management to restore perfusion and hemodynamic stability. Administering antipyretics (Choice C) may help reduce fever, but it is not a primary intervention for managing sepsis.
2. A client with diabetes is taking insulin lispro (Humalog) injections. The nurse should advise the client to eat:
- A. Within 10 to 15 minutes after the injection.
- B. 1 hour after the injection.
- C. At any time, because timing of meals with lispro injections is unnecessary.
- D. 2 hours before the injection.
Correct answer: A
Rationale: The correct answer is to eat within 10 to 15 minutes after the injection. Insulin lispro, also known as Humalog, is a rapid-acting insulin that starts working very quickly. Eating shortly after the injection helps match the food intake with the insulin action, reducing the risk of hypoglycemia. Choice B is incorrect because waiting 1 hour after the injection may lead to a mismatch between insulin activity and food intake. Choice C is incorrect as timing meals with lispro injections is essential to optimize glycemic control. Choice D is incorrect as eating 2 hours before the injection is not in alignment with the rapid action of insulin lispro and may lead to fluctuations in blood sugar levels.
3. A client is to have a transsphenoidal hypophysectomy to remove a large, invasive pituitary tumor. The nurse should instruct the client that the surgery will be performed through an incision in the:
- A. Back of the mouth.
- B. Nose.
- C. Sinus channel below the right eye.
- D. Upper gingival mucosa in the space between the upper gums and lip.
Correct answer: D
Rationale: The correct answer is D: Upper gingival mucosa in the space between the upper gums and lip. A transsphenoidal hypophysectomy involves accessing the pituitary gland through an incision in the upper gingival mucosa, providing direct access to the pituitary gland without external scars. Choices A, B, and C are incorrect because the surgery is not performed through the back of the mouth, the nose, or the sinus channel below the right eye. It is crucial for the client to understand the specific location of the incision to ensure accurate preoperative education and expectations.
4. 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.
5. What is the primary action of insulin in the body?
- A. To lower blood pressure.
- B. To promote the absorption of glucose into cells.
- C. To increase blood glucose levels.
- D. To decrease blood glucose levels.
Correct answer: B
Rationale: The correct answer is B: To promote the absorption of glucose into cells. Insulin facilitates the uptake of glucose by cells, thereby decreasing blood glucose levels. Choice A is incorrect as insulin does not directly affect blood pressure. Choice C is inaccurate as insulin works to lower, not increase, blood glucose levels. Choice D is incorrect because insulin's primary role is to lower, not increase, blood glucose levels by promoting glucose uptake into cells.
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