________ is a condition resulting from continual blockage of external oxygen exchange in the lungs

Under normal circumstances, carbon dioxide is removed from the body by which structure?

A) Kidneys B) Urinary tract C) Lungs D) Hepatic vein

The maximum recommended dose for lidocaine is:

A) 5 mg/lb B) 500 mg per appointment C) 4.4 mg/lb D) 2.0 mg/kg