A22-year-old man was struck in the forehead by a softball. he is conscious and alert, but complains of a severe headache. your assessment reveals a large hematoma to his forehead. his vital signs are stable and his breathing is adequate. you should:

I think one should apply an ice-pack to the hematoma and monitor his level of consciousness. Hematoma is an abnormal collection of blood outside of a blood vessel. It occurs because the wall of a blood vessel wall, artery, vein, or capillary, has been damaged and blood has leaked into tissues where it does not belong. Hematoma causes may include trauma, brain injury, diseases, infections, and more. Some types of hematomas can be a medical emergency and require immediate medical treatment or even surgery. 

An autotrophic protist - they can perform photosynthesis and mainly consist of unicellular algae. they can be divided into number of systematic group according to the shape of their cell and the type of photosynthetic pigments they use.