A person who has lost a large amount of blood but is still alive is found in a wrecked automobile under a highway bridge.Several people are helping the paramedics load the victim into the ambulance.After the ambulance has departed for the hospital,you overhear the following conversation from the persons who helped the paramedics."I am certain that when that guy gets to the hospital,they will transfuse him with any blood that they have in the blood bank since he has lost so much blood." The other person says,"Yeah,I bet you're right!" Having had a biology course,you know which blood could be safely given to anyone.Select it below.
A)A
B)B
C)AB
D)O

Question

Quizplus · Accepted Answer

Blood type O is the universal donor as it does not contain any surface antigens and will not be recognized as foreign by the recipient's immune system, making it safe to transfuse to anyone.

A Person Who Has Lost a Large Amount of Blood