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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