PSB-2000 Study Guide - Final Guide: Autoimmune Disease, Movement Disorder, Dementia
Document Summary
Chapter 10: discuss 6 causes of brain damage, brain tumors- they are neoplasms and grow independently. (cancer) they have no function. Two types, menigiomas, and metastatic: cerebrovascular disorder- best known as a stroke. Bleeding in the brain and also third leading cause of death in the u. s. Blood vessel ruptures: closed head injuries- when the brain collides with the skull but doesn"t break it physically. Brain bounces around skull resulting in brain damage. Contusions, concussions: infection of the brain- encephalitis is inflammation of brain by bacteria. Leads to pockets of pus and inflammation of meninges. Viral infections also: neurotoxins- can enter from gi tract or lungs. Travels through your body (ex mercury: genetic factors- down syndrome is a example, discuss 5 major neurological diseases, epilepsy- primary symptom is seizures. The brain works in abnormal way where excess firing of brain neurons. 70 known genes are known to cause epilepsy.
