CASE STUDY (#23-32): Michael is a 6 year-old boy who is brou…
CASE STUDY (#23-32): Michael is a 6 year-old boy who is brought to the doctor by his mother, where she explains that Michael’s joints have been noticeably swollen since he began playing soccer four weeks ago. She was also concerned because after one incident where Michael was hit in the nose with a soccer ball, he did not begin bleeding until about three hours after the incident, and then bled profusely for many hours. The doctor ordered coagulation screening tests on Michael.The results of Michael’s coagulation screening tests were as follows:Platelet Count – 230,000/uL PT – 11 seconds aPTT – 68 secondsBased on Michael’s screening test results, the physician ordered mixing studies. The results of the mixing studies indicated a factor deficiency. What unique reagent is needed to perform the test(s) indicated in the previous question (factor assay/s), and what does this reagent contain?