HESI RN
HESI Medical Surgical Practice Exam Quizlet
1. In a client with congestive heart failure, the nurse would be correct in withholding a dose of digoxin without specific instruction from the healthcare provider if the client's
- A. serum digoxin level is 1.5 ng/mL.
- B. blood pressure is 104/68 mmHg.
- C. serum potassium level is 3 mEq/L.
- D. apical pulse is 68/min.
Correct answer: C
Rationale: The correct answer is C. Hypokalemia can precipitate digitalis toxicity in individuals on digoxin, increasing the risk of dangerous dysrhythmias. A serum potassium level of 3 mEq/L is below the normal range (3.5 to 5.5 mEq/L) and indicates hypokalemia, which can potentiate the effects of digoxin. Choices A, B, and D are not directly related to the potential for digitalis toxicity. Serum digoxin level of 1.5 ng/mL is within the therapeutic range, blood pressure of 104/68 mmHg is not a contraindication for administering digoxin, and an apical pulse of 68/min is within the normal range and not a reason to withhold digoxin.
2. Prior to administering tissue plasminogen activator (t-PA), the nurse should assess the client for which of the following contraindications to administering the drug?
- A. Age over 60 years.
- B. History of cerebral hemorrhage.
- C. History of heart failure.
- D. Cigarette smoking.
Correct answer: B
Rationale: The correct answer is B: History of cerebral hemorrhage. A history of cerebral hemorrhage is a contraindication to t-PA administration because of the increased risk of bleeding. Choices A, C, and D are incorrect. Age over 60 years is not a contraindication for t-PA administration. While older age may pose some risks, it is not an absolute contraindication. History of heart failure is not a direct contraindication to t-PA administration. Cigarette smoking, while a risk factor for cardiovascular disease, is not a specific contraindication for t-PA administration.
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. An unlicensed assistive personnel (UAP) reports to the nurse that a client with a postoperative wound infection has a temperature of 103°F (39.4°C), blood pressure of 90/70, pulse of 124 beats/minute, and respirations of 28 breaths/minute. When assessing the client, findings include mottled skin appearance and confusion. Which action should the nurse take first?
- A. Transfer the client to the ICU.
- B. Initiate an infusion of intravenous (IV) fluids.
- C. Assess the client's core temperature.
- D. Obtain a wound specimen for culture.
Correct answer: B
Rationale: Initiating an infusion of IV fluids is the priority action to stabilize blood pressure in a client with signs of sepsis. Intravenous fluids help maintain perfusion to vital organs and prevent further deterioration. Option A is not the immediate priority as stabilizing the client's condition can be initiated in the current setting. Option C, assessing the client's core temperature, is important but not the most critical action at this time. Option D, obtaining a wound specimen for culture, is important for identifying the causative organism but is not the first priority in managing a client with signs of sepsis.
5. In a patient with chronic obstructive pulmonary disease (COPD), which of the following interventions is most important?
- A. Encouraging the patient to stop smoking.
- B. Administering bronchodilators.
- C. Monitoring oxygen saturation.
- D. Providing nutritional support.
Correct answer: C
Rationale: Monitoring oxygen saturation is the most important intervention in a patient with COPD because it helps assess the adequacy of oxygenation. In COPD, patients often have compromised lung function, leading to decreased oxygen levels in the blood. Monitoring oxygen saturation allows healthcare providers to promptly identify and address any potential hypoxemia, which is vital in managing COPD exacerbations. While encouraging the patient to stop smoking (Choice A) is critical for long-term management, monitoring oxygen saturation takes precedence in the immediate care of a COPD patient. Administering bronchodilators (Choice B) and providing nutritional support (Choice D) are important aspects of managing COPD but are secondary to monitoring oxygen saturation, which directly impacts the patient's oxygenation status.
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