HESI RN
HESI 799 RN Exit Exam Quizlet
1. A client is admitted with a diagnosis of septic shock. Which clinical finding requires immediate intervention?
- A. Blood pressure of 90/60 mmHg
- B. Temperature of 100.4°F
- C. Heart rate of 120 beats per minute
- D. Urine output of 30 ml/hour
Correct answer: C
Rationale: In a client with septic shock, a heart rate of 120 beats per minute is a critical clinical finding that requires immediate intervention. A rapid heart rate can indicate worsening sepsis and inadequate tissue perfusion. Correcting the underlying cause of the tachycardia and stabilizing the heart rate is crucial in managing septic shock. The other options, while important, do not represent an immediate threat to the patient's condition. A blood pressure of 90/60 mmHg may be expected in septic shock, a temperature of 100.4°F is mildly elevated, and a urine output of 30 ml/hour, though decreased, may not be an immediate concern in the context of septic shock.
2. A client with chronic kidney disease (CKD) is scheduled for a renal biopsy. Which laboratory value should the nurse review before the procedure?
- A. Serum potassium
- B. Serum creatinine
- C. Hemoglobin
- D. White blood cell count
Correct answer: B
Rationale: Before a renal biopsy, the nurse should review the serum creatinine level. Serum creatinine is a key indicator of kidney function. In clients with chronic kidney disease (CKD), monitoring creatinine levels is crucial as elevated levels may indicate worsening kidney function, which could impact the safety and outcome of the biopsy. Hemoglobin (choice C) is important for assessing oxygen-carrying capacity but is not directly related to the kidney biopsy procedure. Serum potassium (choice A) is important to monitor in CKD but is not specifically crucial before a renal biopsy. White blood cell count (choice D) is more relevant for assessing infection or inflammation, which is not the primary concern before a renal biopsy.
3. A client with pneumonia has arterial blood gases levels at: pH 7.33; PaCO2 49 mm/Hg; HCO3 25 mEq/L; PaO2 95. What intervention should the nurse implement based on these results?
- A. Institute coughing and deep breathing protocols.
- B. Administer oxygen via nasal cannula.
- C. Prepare for intubation and mechanical ventilation.
- D. Increase IV fluids to improve hydration.
Correct answer: A
Rationale: The ABG results indicate respiratory acidosis due to an elevated PaCO2 (49 mm/Hg), indicating hypoventilation. The appropriate intervention for respiratory acidosis is to improve ventilation. Coughing and deep breathing protocols can help the client to effectively ventilate and improve gas exchange. Administering oxygen via nasal cannula (Choice B) may be necessary in respiratory distress situations, but addressing the underlying cause of hypoventilation is crucial. Intubation and mechanical ventilation (Choice C) are not the first-line interventions for uncomplicated respiratory acidosis. Increasing IV fluids (Choice D) does not directly address the respiratory acidosis present in this scenario.
4. A woman who takes pyridostigmine for myasthenia gravis (MG) arrives at the emergency department complaining of extreme muscle weakness. Her adult daughter tells the nurse that since yesterday her mother has been unable to smile. Which assessment finding warrants immediate intervention by the nurse?
- A. Uncontrollable drooling.
- B. Inability to raise voice.
- C. Tingling of extremities.
- D. Eyelid drooping.
Correct answer: A
Rationale: Uncontrollable drooling can be a sign of a myasthenic crisis, which requires immediate medical intervention to prevent respiratory failure. Drooling indicates difficulty in swallowing, which can lead to aspiration and respiratory compromise. Inability to raise voice (choice B) and tingling of extremities (choice C) are not typically associated with myasthenic crisis. Although eyelid drooping (choice D) is a common symptom of myasthenia gravis, it is not as urgent as uncontrollable drooling in indicating a potential crisis.
5. An unlicensed assistive personnel (UAP) assigned to obtain client vital signs reports to the charge nurse that a client has a weak pulse with a rate of 44 beats/minute. What action should the charge nurse implement?
- A. Instruct the UAP to count the client's apical pulse rate for sixty seconds.
- B. Determine if the UAP also measured the client's capillary refill time.
- C. Assign a practical nurse (LPN) to determine if an apical-radial pulse deficit is present.
- D. Notify the healthcare provider of the abnormal pulse rate and pulse volume.
Correct answer: C
Rationale: The correct action for the charge nurse to implement in this situation is to assign a practical nurse (LPN) to determine if an apical-radial pulse deficit is present. This helps to confirm the accuracy of the reported weak pulse. In this scenario, it is crucial to involve a licensed nurse to further assess the situation and provide a more comprehensive evaluation. Inaccurate pulse readings can lead to inappropriate interventions or unnecessary alarm. Instructing the UAP to count the apical pulse may not address the accuracy issue. Checking capillary refill time is not directly related to confirming the weak pulse rate. Notifying the healthcare provider immediately may be premature without confirming the accuracy of the pulse reading first.
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