UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0171
Question:
A 12 year old female patient is brought by her mother because of generalised spontaneous bruising. On examination she is noted to have hyerpextensibility of her skin and increased joint mobility. She is suspected of having an inherited disorder of the connective tissue and her physicians want to assess possible capillary fragility. Which of the above tests would be most helpful in confirming capillary fragility in this patient?

a) Platelet count
b) Clot retraction
c) Tourniquet test
d) Bleeding time
e) Prothrombin time (PT)