1st September 2020

A 16-year old boy presents to clinic. He recently had a minor dental procedure, and was afterwards seen in hospital due to excessive post-procedure bleeding

A 16-year old boy presents to clinic. He recently had a minor dental procedure, and was afterwards seen in hospital due to excessive post-procedure bleeding. He has been referred for investigations of the cause. He is entirely fit and well, with no past medical history, and has not had any other operations or procedures. His maternal grandfather has the bleeding disorder haemophilia A. You order some blood tests. 

Which of the following results are most likely to be found on this patient’s blood tests?

Select the SINGLE most appropriate option from the list below. Select ONE option only.