Cryogenic liquids are those which exist at:

The prefix "auto" refers to

A) Self B) Instantly C) Through D) Against

A 55 year-old post cardiac surgery patient has the following ABG results: pH 7.50, PaCO2 30 torr, PaO2 62 torr, HCO3 25 mEq/L, SaO2 92%, HB 14 g/dL, BE +2. Venous blood gas results are pH 7.39, PvCO2 43 torr, PvO2 37 torr, and SvO2 66%. Calculate the patient's C(a-v)O2.

A. 2.5 vol% B. 4.0 vol% C. 5.0 vol% D. 5.5 vol%