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 nurse reviews a female client’s laboratory results. Which result from the client’s urinalysis should the nurse recognize as abnormal?
- A. pH 5.6
- B. Ketone bodies present
- C. Specific gravity of 1.020
- D. Clear and yellow color
Correct answer: B
Rationale: The correct answer is B: Ketone bodies present. Ketone bodies in urine indicate abnormal metabolism, specifically the incomplete breakdown of fatty acids. Normally, there should be no ketones present in urine. Ketone bodies are produced when the body uses fat sources instead of glucose for cellular energy. A pH range between 4.6 and 8, a specific gravity between 1.005 and 1.030, and clear yellow color in urine are considered normal findings for a female client’s urinalysis. Therefore, options A, C, and D are within normal ranges and not indicative of abnormal results in the urinalysis.
3. An emergency department nurse assesses a client with a history of urinary incontinence who presents with extreme dry mouth, constipation, and an inability to void. Which question should the nurse ask first?
- A. Are you drinking plenty of water?
- B. What medications are you taking?
- C. Have you tried laxatives or enemas?
- D. Has this type of thing ever happened before?
Correct answer: B
Rationale: In this scenario, the client's symptoms of dry mouth, constipation, and inability to void are indicative of anticholinergic side effects, which can be caused by medications like propantheline (Pro-Banthine) commonly used to treat incontinence. The first question the nurse should ask is about the client's medications to determine if they are taking anticholinergic drugs. This information is crucial as it can help differentiate between a simple side effect or a potential overdose. Asking about water intake (Choice A) may be relevant later but is not the priority in this situation. Questioning about laxatives or enemas (Choice C) and past occurrences (Choice D) are not as pertinent initially as identifying the client's current medication status.
4. What is the most common symptom of gastroesophageal reflux disease (GERD)?
- A. Heartburn.
- B. Nausea.
- C. Abdominal pain.
- D. Vomiting.
Correct answer: A
Rationale: The correct answer is A: Heartburn. Heartburn is the most common symptom of GERD as it occurs due to the reflux of stomach acid into the esophagus. This leads to a burning sensation in the chest that can worsen after eating, lying down, or bending over. Choice B, Nausea, is not typically the most common symptom of GERD, although it can occur in some cases. Choice C, Abdominal pain, is not a primary symptom of GERD and is more commonly associated with other gastrointestinal conditions. Choice D, Vomiting, is also not the most common symptom of GERD, although it can occur in severe cases or as a result of complications.
5. An emergency department nurse assesses a client with kidney trauma and notes that the client’s abdomen is tender and distended, and blood is visible at the urinary meatus. Which prescription should the nurse consult the provider about before implementation?
- A. Assessing vital signs every 15 minutes
- B. Inserting an indwelling urinary catheter
- C. Administering intravenous fluids at 125 mL/hr
- D. Typing and crossmatching for blood products
Correct answer: B
Rationale: In a client with kidney trauma and blood visible at the urinary meatus, inserting a urinary catheter via the urethra should be avoided until further diagnostic studies are completed to prevent potential urethral tears. The nurse should consult the provider about the need for a catheter; if necessary, a suprapubic catheter can be used instead. Assessing vital signs every 15 minutes is important for continuous monitoring of the client's condition. Administering intravenous fluids at 125 mL/hr is crucial to maintain hydration and support kidney function. Typing and crossmatching for blood products is necessary in case the client requires blood transfusion due to potential blood loss from the trauma.
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