ASVAB General Science Practice Test 279365

Question 4 of 5
Blood Types

Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.

The Rh factor antigen in blood determines:

universal recipient status

universal donor status

blood type

postive or negative