A mixed venous blood sample is needed to determine the oxygen consumption of the tissues. The mixed venous blood sample should be obtained from the

How much distilled water must be mixed with alcohol 70% to prepare 5 L of alcohol 40%?

A) 2.15 mL B) 2.85 mL C) 2,143 mL D) 2,857 mL

What is the major complication associated with manual removal of foreign material from the air-way?

a. Forcing the object deeper into the airway b. Lacerating upper airway structures c. Causing gagging and reflex bradycardia d. Increasing the possibility of infection