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CCC4- exam 1/59 Questions with Verified Answers
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CCC4- exam 1/59 Questions withVerified Answers
neuron does what? - - reacts to stimuli, conducts impulses, and influences
other neuron
- Neurological System consists of... - - CNS and PNS
- CNS is made up of - - brain and spinal cord
- Brains 4 major regions - - *cerebrum
-center of intellect and consciousness
*diencephalon
-thalamus: relay center between spinal cord and cerebrum
-hypothalamus: controls body temp., appetite, and water balance
*cerebellum
-coordination of movement, posture, and muscle tones that are for balance
*Brainstem
-midbrain: mediates visual and auditory reflexes
-pons: links connecting various parts of the brain and helps regulate resp.
-medulla oblongata: helps regulate HR, resp. and BP
- spinal cord extends from - - medulla to first lumbar vertebra
- Pyramidal tracts - - conduction pathways that begin in cerebral cortex and
end in spinal cord
- pyramidal tracts control - - skeletal muscle movements
- Extrapyramidal tracts control - - muscle movements associated with
posture and balance
- PNS made up of - - cranial and spinal nerves
- sensory impulses travel - - ascending conduction pathway tracts
- motor impulses travel - - descending tracts
- remember which nerves are sensory and which are motor. - - Some
Say
Money
, Matters
But
My
Brother
Says
Big
Brains
Matter
More
- Cranial nerves (remembering trick) - - On
Occasion
Our
Trusty
Truck
Acts
Funny
Very
Good
Vehicle
Any
How
- Cranial nerves - - Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Abducens
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
Accessory
Hypoglossal
- nerves - - bundled axons wrapped in connective tissue
- neurotransmitters secreted from neurons - - *acetylcholine
*dopamine
*norepinehrine
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