____ is an indicator of weaning failure.
A. Increasing PaO2
B. Increasing PaCO2
C. Increasing SpO2
D. Increasing PaO2/FIO2
Answer: B
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A patient with a measured plasma HCO3– concentration of 24 mmol/L has an episode of acute hypoventilation, with the PCO2 rising from 40 to 70 mm Hg. What do you predict will happen acutely to the plasma HCO3– concentration?
a. HCO3– will remain unchanged. b. HCO3– will rise to approximately 27 to 28 mmol/L. c. HCO3– will fall to approximately 20 to 21 mmol/L. d. HCO3– will rise to approximately 54 to 55 mmol/L.
Which of the following describes chronic renal failure?
A. Kidneys suddenly lose function B. Commonly caused by high blood pressure or diabetes C. May cause excessive urine production D. Can result from hemorrhaging E. May cause frequent seizure activity
Which of the following disorders may cause a discharge from the nipples?
A. Breast cancer B. Cervical cancer C. Cervicitis D. Dysmenorrhea E. Ovarian cancer
Which of the following waste would be placed in a biohazard trash bag?
Soiled bandage Used syringe Used needle Used alcohol pad None of the above