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| occipital lobe does what? |
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| Postcentral gyrus does what? |
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| precentral gyrus does what? |
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| what does sternocleido mastoid do? |
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Definition
| turns face to opposite sides and flexes neck |
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| what nerve is sternocleidomastoid innervated by? |
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| Dorsal root contains ________ neurons |
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| Dorsal root ganglion contains ________ _______ of_________ _________. |
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| cell bodies, sensory neurons |
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| ventral root contains _______ neurons |
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| Mixed Spinal nerve is what? |
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| A mix of dorsal and ventral roots coming together |
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| Frontal lobe does what 3 things? |
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Definition
organizing
problem solving
personality |
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| Parietal lobe does _______ on the right side, and __________ on the left |
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Definition
visual memmory
verbal memory |
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| (Most important sensory relay center in the brain) It sends incoming impulses (afferent) from receptors to the cerebral cortex. |
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| Hypothalamus does 7 things! |
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Definition
Regulates visceral activity (organs)
Controls endocrine system
controls body temp
sleep-wake cycles
hunger
emotions
sexual activity |
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| Hypophysis (Pituitary Gland) What hormones does it secrete? |
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Definition
| FSH, LH, ACTH, TSH, GH, and PRL |
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| Mammillary Body does what? |
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| process sensory info and controls reflexes for chewing and sallowing |
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| relay impulses from cerebral cortex to the cerebellum, coordinates breathing movements |
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cerebellum does what?
cerebellar cortex does what? |
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| coordinates body movements, cerebellar cortex smoothes body movements |
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| What does the medulla do? |
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Definition
| cardiac center and vasomotor center; controls breathing, swallowing, coughing, sneezing. |
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| Optic Chiasm, what is it? |
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Definition
a cross over point for optic nerve.
Nerve fibers from nasal feilds of view decussate (cross over) to the contralateral side of the brain, while fibers from the temporal view remain on the ipsilateral (same) side of the brain |
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| Describe in detail a hangmans fracture. |
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Definition
| due to compression and hyperextension injury resulting in the fracture of the pedicles of C2. The posterior arch of C2 detatches from atlas and remains attatched to C3 via the posterior longitudinal and supraspinous ligament. The dens process of C2, atlas, and skull shift anteriorly resulting in the severing of the spinal cord. |
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