Question

if you were an emergency room doctor and an accident patient needed a blood transfusion, which test would you need to do first?
a. blood type determination
b. metabolic panel
c. urinalysis
d. complete blood count

please select the best answer from the choices provided.
○ a
○ b
○ c
○ d

Explanation:

To safely perform a blood transfusion, the patient's blood type must first be confirmed to match the donor blood, preventing life-threatening transfusion reactions. Other tests assess general health but are not the immediate priority for transfusion.

Answer:

A. blood type determination