anatomy test 3

Term

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CSF functions

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Terms in this set (12)

-secreted by choroid plexus
-circulates in ventricles, central canal of spinal cord, and subarachnoid space
-completely surrounds brain and spinal cord
-nutritive and protective
-helps maintain stable ion concentrations in CNS

reflexes: automatic, subconscious responses to stimuli
receptor>sensory (afferent) neuron>CNS> motor (efferent neuron)>effector (muscle or gland)

Brain functions

-interprets sensations
-determines perception
-stores memory
-reasoning
-makes decisions
-coordinates muscular movements
-regulates visceral activities
-determines personality

role of frontal lobe

concentrating, planning, complex problem solving

role of parietal lobe

understanding speech, choosing words to express thought, awareness of objects form

role of temporal lobe

understanding speech, interpret complex sensory experiences, stores memories of visual scenes, music, and complex patterns

role of occipital lobe

analyze and combine visual images with other sensory experiences

function of cerebrum

-interpreting impulses
-initiating voluntary movements
-stores info(memory)
-retrieving stored info
-reasoning
-seat of intelligence and personality

thalamus: gateway for sensory impulses heading to cerebral cortex, receives all sensory impulses (except smell)
hypothalamus: maintains homeostasis by regulating visceral activities, links nervous and endocrine systems
pineal gland:

1. olfactory: smell
2. optic: vision
3. oculomotor: 4/6 eye muscles raise eyelids
4. trochlear: 1/6 moves eyes
5. trigeminal: maxillary and mandibular division
6. abductens: 1/6 moves eyes
7. social: taste receptors, facial expression, tear/ salivary glands
8. vestibulocochlear: equilibrium and hearing receptors
9. glossopharyngeal: tongue, tonsils, salivary gland
10. vagus: speech and swallowing
11. accessory: motor to muscles of neck and back, soft palate
12. hypoglossal: muscles of the tongue