HESI RN
HESI Medical Surgical Exam
1. Which of the following assessments is the most important for a patient receiving IV potassium?
- A. Respiratory rate
- B. Heart rate
- C. Blood pressure
- D. Oxygen saturation
Correct answer: C
Rationale: The most important assessment for a patient receiving IV potassium is monitoring blood pressure. IV potassium can cause significant changes in cardiac function, leading to adverse effects such as arrhythmias and cardiac arrest. While respiratory rate, heart rate, and oxygen saturation are important parameters to monitor in clinical practice, blood pressure takes precedence in patients receiving IV potassium due to its direct impact on cardiovascular function. Changes in blood pressure can be an early indicator of potassium-induced cardiac complications, making it crucial to monitor closely during administration.
2. During spring break, a young adult presents to the urgent care clinic and reports a stiff neck, a fever for the past 6 hours, and a headache. Which intervention is most important for the nurse to implement first?
- A. Initiate isolation precautions
- B. Administer an antipyretic
- C. Draw blood cultures
- D. Prepare for lumbar puncture
Correct answer: A
Rationale: The correct answer is to initiate isolation precautions. This is the priority action because the patient presents with symptoms that could be indicative of meningitis, an infectious disease that requires isolation to prevent its spread. Administering an antipyretic (Choice B) may help manage the fever but does not address the need for isolation. Drawing blood cultures (Choice C) and preparing for a lumbar puncture (Choice D) are important steps in diagnosing meningitis but should come after initiating isolation precautions to prevent potential transmission of the infection to others.
3. When a patient is receiving high doses of a cephalosporin, which laboratory values will this patient's nurse monitor closely?
- A. Blood urea nitrogen (BUN), serum creatinine, and liver function tests
- B. Complete blood count and electrolytes
- C. Serum calcium and magnesium
- D. Serum glucose and lipids
Correct answer: A
Rationale: When a patient is receiving high doses of a cephalosporin, such as cefazolin, the nurse should closely monitor laboratory values that indicate renal and hepatic function. This includes checking the Blood Urea Nitrogen (BUN) and serum creatinine levels to assess kidney function. Additionally, monitoring liver function tests, such as AST, ALT, ALP, LDH, and bilirubin, is essential as cephalosporins can affect liver enzymes. Therefore, options B, C, and D are incorrect as they do not specifically address the parameters that are most pertinent when administering high doses of cephalosporins.
4. What is the most important nursing intervention for a patient with increased intracranial pressure (ICP)?
- A. Elevate the head of the bed to 30 degrees.
- B. Administer diuretics to reduce fluid volume.
- C. Administer corticosteroids to reduce inflammation.
- D. Keep the patient in a supine position.
Correct answer: A
Rationale: Elevating the head of the bed to 30 degrees is crucial for a patient with increased intracranial pressure (ICP) because it helps promote venous drainage from the brain, thereby reducing ICP. Keeping the head of the bed elevated helps facilitate cerebral perfusion and can prevent a further increase in ICP. Administering diuretics (Choice B) may be considered in some cases to reduce fluid volume, but it is not the most critical intervention for immediate ICP management. Administering corticosteroids (Choice C) is not typically indicated for managing increased ICP unless there is a specific underlying condition requiring their use. Keeping the patient in a supine position (Choice D) can actually worsen ICP by impeding venous outflow from the brain, making it an incorrect choice for this scenario.
5. A postmenopausal client asks the nurse why she is experiencing discomfort during intercourse. What response is best for the nurse to provide?
- A. Estrogen deficiency causes the vaginal tissues to become dry and thinner.
- B. Infrequent intercourse results in the vaginal tissues losing their elasticity.
- C. Dehydration from inadequate fluid intake causes vulva tissue dryness.
- D. Lack of adequate stimulation is the most common reason for dyspareunia.
Correct answer: A
Rationale: Estrogen deficiency in postmenopausal clients leads to a decrease in the moisture-secreting capacity of vaginal cells. This results in vaginal tissues becoming thinner, drier, and smoother, which reduces vaginal stretching and contributes to discomfort during intercourse. Choice B is incorrect because the primary reason for discomfort is not infrequent intercourse but rather physiological changes due to estrogen deficiency. Choice C is incorrect as dehydration may cause dryness but is not the primary reason for discomfort in this scenario. Choice D is incorrect as lack of stimulation is not the most common reason for dyspareunia in postmenopausal clients; estrogen deficiency is the key factor.
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