Final answer:
A small amount of blood coming from the left forearm of a 14-year-old male patient after a bicycle accident is known as a hemorrhage.
Step-by-step explanation:
The observation of a small amount of blood coming from the left forearm of a 14-year-old male patient after a bicycle accident is known as a hemorrhage. Hemorrhage refers to the escape of blood from blood vessels due to injury or damage. In this case, the blood is coming from a small wound on the left forearm caused by the accident.