This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
Which of the following statements about platelet function defects is true? - 
Select and explain. 
A. Normal platelet count with prolonged bleeding time, B. Thrombocytopenia with prolonged bleeding time, C. Thromobocytosis with prolonged bleeding time, D. Normal platelet count with normal bleeding time
A: Normal platelet count with prolonged bleeding time
Answer: A: Normal platelet count with prolonged bleeding time 
Explanation: Answer is option 1, normal cell count with increased bleeding time A disorder of platelet function is suspected on the basis of the history and physical examination and is confirmed by the finding of a prolonged bleeding time in the presence of an adequate number of platelets. A specific diagnosis often requires measurements of the factor VIII and von Willebrand factor complex and other tests of platelet function. Some of these tests may be available only in specialized laboratories. Ref Robbins 9/e pg 430