HESI RN
HESI Medical Surgical Specialty Exam
1. A patient who is being treated for dehydration is receiving 5% dextrose and 0.45% normal saline with 20 mEq/L potassium chloride at a rate of 125 mL/hour. The nurse assuming care for the patient reviews the patient’s serum electrolytes and notes a serum sodium level of 140 mEq/L and a serum potassium level of 3.6 mEq/L. The patient had a urine output of 250 mL during the last 12-hour shift. Which action will the nurse take?
- A. Contact the patient’s provider to discuss increasing the potassium chloride to 40 mEq/L.
- B. Continue the intravenous fluids as ordered and reassess the patient frequently.
- C. Notify the provider and discuss increasing the rate of fluids to 200 mL/hour.
- D. Stop the intravenous fluids and notify the provider of the assessment findings.
Correct answer: D
Rationale: The patient’s potassium level is within normal limits, but the decreased urine output indicates the patient should not receive additional IV potassium. Increasing potassium chloride to 40 mEq/L is not needed as the level is normal. Stopping the IV fluids is appropriate due to the decreased urine output, which suggests potential fluid overload. The nurse should notify the provider of the assessment findings for further management. Increasing the rate of fluids to 200 mL/hour is not recommended without addressing the decreased urine output first.
2. 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.
3. Alteplase recombinant, or tissue plasminogen activator (t-PA), a thrombolytic enzyme, is administered during the first 6 hours after onset of myocardial infarction (MI) to:
- A. Control chest pain.
- B. Reduce coronary artery vasospasm.
- C. Control the arrhythmias associated with MI.
- D. Revascularize the blocked coronary artery.
Correct answer: D
Rationale: Alteplase recombinant, or t-PA, is a thrombolytic enzyme used to dissolve clots and revascularize the blocked coronary artery in patients experiencing a myocardial infarction (MI). Administering t-PA within the first 6 hours of MI onset is crucial to restore blood flow to the affected area and minimize cardiac tissue damage. Therefore, the correct answer is to revascularize the blocked coronary artery. Choices A, B, and C are incorrect because while controlling chest pain, reducing coronary artery vasospasm, and managing arrhythmias are important goals in managing MI, the primary purpose of administering t-PA within the first 6 hours is to restore blood flow by dissolving clots and revascularizing the blocked coronary artery.
4. The best indicator that the client has learned how to give an insulin self-injection correctly is when the client can:
- A. Perform the procedure safely and correctly.
- B. Critique the nurse's performance of the procedure.
- C. Explain all steps of the procedure correctly.
- D. Correctly answer a posttest about the procedure.
Correct answer: A
Rationale: The correct answer is A. Learning is best demonstrated by a change in behavior. A client who can safely and correctly perform the procedure shows they have acquired the skill. Choice B is incorrect because critiquing the nurse's performance does not directly demonstrate the client's ability to perform the procedure. Choice C is incorrect because explaining the steps does not guarantee the client can physically perform the injection. Choice D is incorrect as answering a posttest only assesses theoretical knowledge, not practical application.
5. A nurse cares for clients with urinary incontinence. Which types of incontinence are correctly paired with their clinical manifestations? (Select all that apply.)
- A. Stress incontinence – Urine loss with physical exertion
- B. Urge incontinence – Large amount of urine with each occurrence
- C. Overflow incontinence – Constant dribbling of urine
- D. All of the above
Correct answer: D
Rationale: The correct answer is D, as all the choices are correctly paired with their clinical manifestations. Stress incontinence is characterized by urine loss with physical exertion, coughing, sneezing, or exercising. Urge incontinence presents with a sudden and strong urge to void, often accompanied by a large amount of urine released during each occurrence. Overflow incontinence occurs when the bladder is distended, leading to a constant dribbling of urine. Functional incontinence, not mentioned in the options, is the leakage of urine due to factors unrelated to a lower urinary tract disorder. Reflex incontinence, also not mentioned, is a condition resulting from abnormal detrusor contractions.
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