CCC4- exam 1/59 Questions with Verified Answers

CCC4- exam 1/59 Questions with
Verified 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