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The nurse is caring for a patient with a head injury intubated and placed on a mechanical ventilator. When monitoring the patient, which of the following findings should the nurse report to the health care provider?
- A. Oxygen saturation of 94%.
- B. Respirations of 18 breaths/minute.
- C. Green nasogastric tube drainage.
- D. Increased jugular venous distention.
Correct Answer: D
Rationale: Increases in JVD in a patient with head injury may indicate an increase in intra-cranial pressure (ICP) and that the PEEP setting is too high for this patient. A respiratory rate of 18, saturation of 94%, and green nasogastric tube drainage are normal.
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The nurse is caring for a patient who has an arterial catheter in the radial artery to monitor blood pressure. Which of the following information obtained by the nurse is most important to report to the health care provider?
- A. The patient has a positive Allen test.
- B. The mean arterial pressure (MAP) is 86 mm Hg.
- C. There is redness at the catheter insertion site.
- D. The dicrotic notch is visible in the waveform.
Correct Answer: C
Rationale: Redness at the catheter insertion site indicates possible infection. The Allen test is performed before arterial line insertion, and a positive test indicates normal ulnar artery perfusion. An MAP of 86 is normal and the dicrotic notch is normally present on the arterial waveform.
Which of the following actions should the nurse take when the low-pressure alarm sounds for a patient who has an arterial line in the right radial artery?
- A. Check the right hand for pallor.
- B. Assess for cardiac dysrhythmias.
- C. Flush the arterial line with saline.
- D. Rezero the monitoring equipment.
Correct Answer: B
Rationale: The low-pressure alarm indicates a drop in the patient's blood pressure, which may be caused by cardiac dysrhythmias. There is no indication to rezero the equipment. Pallor of the right hand would be caused by occlusion of the radial artery by the arterial catheter, not by low pressure. There is no indication of a need for flushing the line.
The charge nurse is mentoring a new RN staff member providing care to a patient receiving mechanical ventilation. Which of the following actions by the new RN indicates the need for more education?
- A. The RN increases the FIO2 up to 100%.
- B. The RN secures a bite block in place using adhesive tape.
- C. The RN positions the patient with the head of bed at 10 degrees.
- D. The RN asks for assistance to turn the patient to the prone position.
Correct Answer: C
Rationale: The head of the patient's bed should be positioned at 30-45 degrees to prevent ventilator-acquired pneumonia. The other actions by the new RN are appropriate.
The nurse is caring for a patient who is in cardiogenic shock requiring an intra-aortic balloon pump (IABP). Which of the following assessment findings indicates that the goals of treatment with the IABP are being met?
- A. Heart rate of 110 beats/minute
- B. Urine output of 20 mL/hour
- C. Cardiac output (CO) of 5 L/minute
- D. Stroke volume (SV) of 40 mL/beat
Correct Answer: C
Rationale: A CO of 5 L/minute is normal (range is 4-8 L/minute) and indicates that the IABP has been successful in treating the shock. The low SV signifies continued cardiogenic shock. The tachycardia and low urine output also suggest continued cardiogenic shock.
The nurse is caring for a patient with pulmonary hypertension. Which of the following parameters should the nurse monitor as an index of right ventricular afterload?
- A. Mean arterial pressure (MAP)
- B. Central venous pressure (CVP)
- C. Pulmonary vascular resistance (PVR)
- D. Pulmonary artery wedge pressure (PAWP)
Correct Answer: C
Rationale: Pulmonary vascular resistance and pulmonary artery pressure are indexes of right ventricular afterload. The other parameters do not directly assess for right ventricular afterload.