In order to avoid the chance of an acute hemolytic transfusion reaction, most laboratories will transfuse only group ____ red blood cell units and group ____ plasma products to patients who have an unresolved ABO-typing discrepancy

The purpose of a constricting band after a venomous snake bite is to impede the flow of which of the following?

A) Lymph B) Venom C) Arterial blood D) Both A and C

The wall that separates the left and right sides of the heart is called the:

A) carina. B) septum. C) pericardium. D) mediastinum.