QUESTIONS AND SOLUTIONS RATED A+
✔✔sympathetic nervous system - ✔✔"fight or flight"- more excited state
✔✔parasympathetic nervous system - ✔✔"rest & digest"- more relaxed state
✔✔3 primary nervous system functions - ✔✔sensory, integrative, motor functions
✔✔sensory nervous system function - ✔✔ability to sense changes
✔✔integrative nervous system function - ✔✔interprets sensory info
✔✔Proprioception - ✔✔our internal sense of body position or orientation
✔✔axial skeleton - ✔✔skull, rib cage, and vertebral column- aprox 80 bones
✔✔appendicular skeleton - ✔✔arms, legs, pelvic girdle- aprox 126 bones
✔✔Skeletal Depressions - ✔✔flattened or indented portions of bone
✔✔Skeletal Processes - ✔✔Projections from bone where tendons & ligaments can
attach
✔✔Neuron - ✔✔specialized cell; the functional unit of the nervous system
✔✔Nucleus - ✔✔Control center of the cell- contains majority of genetic material
✔✔Organelles - ✔✔A tiny cell structure that carries out a specific function within the cell
✔✔Mitochondria - ✔✔Powerhouse of the cell- uses nutrients to create energy
✔✔Electrolytes - ✔✔minerals that have an electrical charge (sodium potassium,
magnesium, water)
✔✔CNS - ✔✔central nervous system
✔✔PNS - ✔✔peripheral nervous system
✔✔Afferent Pathway - ✔✔pathway that relays information to the CNS from the PNS
✔✔muscle spindles - ✔✔receptors sensitive to change in length of the muscle and the
rate of that change
, ✔✔Golgi tendon organs - ✔✔Receptors sensitive to change in tension of the muscle
and the rate of that change
✔✔Neuroplasticity - ✔✔the ability within the brain to constantly change or grow
✔✔Neurocircuitry - ✔✔Interconnection of neurons in brain & spinal cord
✔✔Levers - ✔✔Rigid rods where muscles attach
✔✔Remodeling - ✔✔process that bone is constantly renewed
✔✔Osteoclasts - ✔✔cells that break down & remove bone tissue
✔✔Osteoblasts - ✔✔form & lay down new bone tissue
✔✔vertebral column - ✔✔cervical, thoracic, lumbar, sacrum, coccyx
✔✔Cervical Spine - ✔✔c1-c7 (7)
✔✔Thoracic Spine - ✔✔t1-t12 (12)
✔✔Lumbar Spine - ✔✔l1-l5 (5)
✔✔Sacrum - ✔✔5 fused vertebrae
✔✔Coccyx - ✔✔3-5 small fused bones (tailbone)
✔✔Osteokinematics - ✔✔bone movement (movement of limb)
✔✔Athrokinematics - ✔✔joint movement (roll, slide, spin)
✔✔synovial joints - ✔✔joints with fluid filled capsule
✔✔nonaxial joints - ✔✔only one movement- either back & forth or side to side
✔✔uniaxial joint - ✔✔hinge joint (elbow, toe, ankle)
✔✔saddle joint - ✔✔thumb joint- only carpometacarpal
✔✔pivot joint - ✔✔base of skull, elbow