Critical Care Nursing NCLEX Questions Related

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The nurse is preparing to obtain a pulmonary artery occlusion pressure (PAOP) reading for a patient who is mechanically ventilated. Ensuring that the aaibri-rbf.lcuoimd/ teinstt erface is at the level of the phlebostatic axis, what is the best nursing action?

  • A. Place the patient in the supine position and record the PAOP immediately after exhalation.
  • B. Place the patient in the supine position and document the average PAOP obtained after three measurements.
  • C. Place the patient with the head of bed elevated 30 degrees and document the average PAOP pressure obtained.
  • D. Place the patient with the head of bed elevated 30 degr ees and record the PAOP just before the increase in pressures during inhalation.
Correct Answer: C

Rationale: The correct answer is C because placing the patient with the head of the bed elevated 30 degrees is the best position for obtaining an accurate PAOP reading. Elevating the head of the bed helps to align the phlebostatic axis with the atrium, ensuring an accurate measurement of PAOP. This position reduces the impact of hydrostatic pressure on the reading. Options A and D are incorrect because the supine position and recording during exhalation or just before the increase in pressures during inhalation can lead to inaccurate readings. Option B is incorrect because documenting the average PAOP after three measurements does not address the importance of positioning for accuracy.