B seems like the best answer
Clean the blood area with paper towels to remove most of the spill. Cloth towels should not be used unless they are to be thrown out.
A concussion, as found on Google, is a "temporary unconsciousness caused by a blow to the head.", which means a really hard hit to the head, and then a knock out or a blackout
Some symptoms that are usually associated with a concussion can be but are not limited to: headaches, memory loss (if severe), nausea, vomiting, slurred speech, confusion, and fatigue. There can also be sleep disturbances, sensitivity to any type of change, such as air or light, and disorders of the 5 senses (sound, sight, touch, smell, and taste).
Continue to have check ups just because you are treated doesn’t mean it’s gone fully and can’t come back.
Chondrodermatitis nodularis helicis is an inflammatory skin condition that affects the ear. It causes a painful bump to develop on the top rim or helix of the ear or the curved piece of cartilage just inside, known as the antihelix. The condition, abbreviated to CNH, is also known as Winkler disease.
