Platelet function is assessed by:: (A) Platelet adhesion, (B) BT, (C) PFA-100, (D) All of the above
Answer is D. Platelet function assessment: - PFA-100--This is a test to measure the platelet adhesion-aggregation in response to agonist combination like collagen epinephrine or collagen-ADP. - Bleeding time--The usual bleeding time is 4-8 minutes. Bleeding for a longer time suggests platelet defects.