A 5-year-old male child has a bleeding disease that is characterized by areas of hemorrhage in the joints and muscles after minor injuries. Laboratory tests reveal a deficiency of a coagulation factor active in the early phase of blood coagulation (formation of intrinsic thromboplastin). What is the most likely diagnosis?

The most likely diagnosis is

Hemophilia.

Explanation:

Hemophilia is a medical condition in which the sufferer bleeds excessively from any slight injury.

There are 3 types of Hemophilia: A, B and C.

The condition is typically caused by a deficiency in a blood clotting factor called Factor VIII for Hemophilia A, while Hemophilia B (also known as Christmas disease) is caused by Factor IX deficiency.

your answer will be c. sorry if im wrong: )