REtest answers
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Electrical excitability | all of the above..muscle calls and neurons
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contains nueronal cell bodies, dendrites, axons, terminals, neuroglia | Gray Matter
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Resting Membrane potential | -40 to -90 mV
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Depolarizing graded potential | Makes membrane less polarized
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neurotransmitter depolarizes postynaptic membrane referred to as | excitatory
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IPSP | inhibitory postsynaptic potential
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diffusion, enzymatic degration, and uptake are all ways to | remove neurotransmitter
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not considered major part of the brain | cauda equina
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consists of medulla, pons, midbrain | brain stem
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protects brain by preventing passage of toxins | blood brain barrier
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CSF carries chemicals from _____ to neurons | arachnoid space
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locataed in each hemisphere of the cerebrum | lateral ventricle
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networks of capillaries in walls of ventricles | choroid plexuses
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fingerlik projects that reabsord cfs | arachnoid villus
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medulla nuclie are | both a&b masses of gray and white matter
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Helps maintiain consciousness | pons
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folia are | ridges of white matter
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which glands are directly controlled by hormones in the hypothalamis? | pituitary
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structures conduct nerve impules between gyri in different hemisphere in cerebrum? | pyramids
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which part in cerebrum responsible for vision? | primary visual area
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which part in cerebrum responsible for conscious movement? | Primary Frontal area
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cranial nerves carry sensory info to olfactory? | I
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Cranial nerve V also known as? | Trigeminal
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Cranial nerve responsible for visceral activity | Vagus
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Cranial nerve responsible for facial expression | Facial
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Most superfical of the 3 spinal meninges | Dura Mater
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contrains cerebrospinal fluid | subarachnoid space
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contains sensory axon that conduct nerve impulses from sensory receptor in skin, muscle internal organs into cns. | posterior root
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spinal nerves | all of the above
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white matter tracts spinal cd. contain ascending information? | Sensory tracts
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descending tracts contain what type of info | motor
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Superficial covering over entire nerve | Epineurium
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postganlionic neuron | release neurotransmitter at the effector cell
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which nerotransmitter bind to autonomic receptors | norepinephrine & ach
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Classified as cholingeric receptors | nicotine and muscarine receptors
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cells provide sense of smell | olfactory hair cells
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physical support nourishment & electrical insulation for olfactory nerves | supporting cells
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provide sense of taste | gustatory cells
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which of the following nerves serves in a gustatory function | Vagus
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which is not considered an accessory to the eye retina | eyebrow
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how may extrinsie eye muscles responsible for moving the eye | 6
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this is the transparent coat that covers the iris | cornea
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the main function of this structure is to regulate the amount of light entering the eyeball through the pupil | iris
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this lies between the lens and the retina | victreous chanbers
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which of the following receptors is primarily used during light striations | cones
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which below structures converts vibration to action potential | organ of corti
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which of the below structures senses dynamic equilibrium | sevicicluar canals
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