sympathetic division of ANS {Ans: prods body to action during periods of physiologic and psychologic stress}depression {Ans: more common in people with medical conditions such as dementia, epilepsy, ms, pakinson under diagnosed two screening questions: have you been feeling down, depressed, or hopeless? have you felt little interest or pleasure in doing things?}subdural hematoma {Ans: acute or chronic acute- acute head injury; cause headache, loss of consciousness chronic- elderly population may enlarge significantly before any head pain noticed}broca's aphasia {Ans: nonfluent, few words, and laborious effect speech words have meaning, use nouns, transitive verbs, word comprehension good, impaired repetition, impaired naming, reading comprehension good, impaired writing lesion located on posterior inferior frontal lobe}commissural fibers of the cerebrum {Ans: interconnect the counterpart areas in each hemisphere, permitting the coordination of activities between the hemispheres}occipital lobe {Ans: contrains the primary vision center and provides interpretation of visual data}straight leg raise {Ans: raise, then flex leg at knee. used to assess patients with low back pain, may indicate lumbosacral radiculopathy due to compression of the spinal nerves more than 95% of disc herniations occur at L5-s1}decerebrate rigidity {Ans: jaws are clenched and the neck is