A & P CNS Test

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Terms in this set (37)
Withdrawal reflexpull back from unpleasant stimuli ex. stepping on a legoDeep tendon stretch reflexpush back against perceived tendon stretch ex. knee jerk reflexCerebrum-largest part of the brain -composed of 2 hemispheres (connected by corpus callosum) -divides the brain into lobesFrontal lobe-planning -memory -decision making -emotional control -controls movementParietal lobe-proprioreception (location and identification of body parts) -sensory strip (tachy, temp, pain) -warnakes area (understand speech)Temporal lobe-hearing -facial recognitionOccipital lobe- visual center (sight and perception)Cerebellum-"little brain" -2 hemispheres - controls balance, coordinated movement, and muscle toneMidbrain-top section of the spinal cord -center for visual and auditory reflexes -coordinated eye movement -smooth motor movements -produces dopaminePons-swelling of spinal cord near bottom of the brain -relay center for stimuli entering the brain -controls level of arousal/awarenessMedulla oblongata-slight swelling at top of the spinal cord -breathing, swallowing, heart rateThalamus-relay center for sensory informationHypothalamus-maintains homeostasis -body temp/hunger/thirstMammillary bodies-specialized part of the hypothalamus -memory smell interaction/recognition memoryHippocampus-specialized part of hypothalamus -episodic memory and navigational memoryLimbic system-nerve fibers connecting thalamus and hypothalamus -center of emotionsPineal gland-releases hormones involved in sleep/wake cyclePituitary gland-releases growth hormonesBacterial Meningitis-most severe -symptoms: sore neck, headache, and aversion to light -treatment: antibioticsViral Meningitis-less severe -symptoms: flu-like -treatment: treat symptomsMultiple sclerosisdemyelination of the nervesEpiduralanesthetic delivered through a catheter to the epidural spaceSpinal tapneedle injected into the subarachnoid spaceALSamyotrophic lateral sclerosis (Lou Gehrig disease)3 types of spinal bifida-myelomeningocele (bubble with spinal cord) -meningocele (bubble without spinal cord) -spina bifida occula (no bubble outside)2 types of strokes-ischemic (clog in artery) -hemorrhagic (blood vessel ruptures)FAST-signs of a stroke F- face drooping A- arm weakness S- speech difficulty T- time