A patient who is 72 hours postoperative repair of ...

Adult CCRN/PCCN Certification Practice Test

Question Number 6

A patient who is 72 hours postoperative repair of a bowel obstruction suddenly demonstrates shortness of breath and his respiratory rate increases from 22 to 45/min. His SpO2 went from 95% to 88% acutely. An arterial blood gas sample obtained while the patient is receiving oxygen via a nasal cannula at 6L/min reveals the following results:pH 7.40pCO2 27pO2 50A chest x-ray is obtained and a "ground-glass-like appearance" is reported. Auscultation of the lungs reveals diffuse crackles that were not present previously.Your patient just received 10 units of banked blood for a GI bleed. You know this will affect the oxyhemoglobin dissociation curve by:

A. Shifting it to the right

B. Causing a plateau in the curve

C. Shifting it to the left

D. Causing no change in the curve

✔ Correct Answer:

C. Shifting it to the left

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Adult CCRN/PCCN Certification Practice Test

Question Number 6

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