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BIO 253 FINAL EXAM END OF COURSE STUDY GUIDE LATEST UPDATED ACTUAL TESTED QUESTIONS AND CORRECT ANSWERS

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BIO 253 FINAL EXAM END OF COURSE STUDY GUIDE LATEST UPDATED ACTUAL TESTED QUESTIONS AND CORRECT ANSWERS

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BIO 253 FINAL EXAM END OF COURSE
STUDY GUIDE LATEST UPDATED ACTUAL
TESTED QUESTIONS AND CORRECT
ANSWERS

⩥ peripheral nervous system.
Answer: cranial and spinal nerves


⩥ Astrocytes.
Answer: Carry blood & nutrients, nutrients & oxygen to the cells of the
central nervous system


⩥ Deploralization.
Answer: Sodium channels open and sodium rushes into cell


⩥ reploralization.
Answer: Potassium channels open and potassium move out of the cell


⩥ Neurotransmitters.
Answer: Act by binding to receptors on the cell membrane


⩥ Unipolar neurons.

, Answer: mostly sensory neurons


⩥ Multipolar neurons.
Answer: most common, mostly motor


⩥ Bipolar neurons.
Answer: very rare


⩥ sensory cranial nerves.
Answer: Olfactory (I) 1
Optic (II) 2
Vestibulocochlear (VIII) 8


⩥ Motor cranial nerves.
Answer: oculomotor (III) 3
trochlear (IV) 4
abducens (VI) 6
accessory (XI) 11
hypoglossal (XII) 12


⩥ Both sensory and motor cranial nerves.
Answer: trigeminal (V) 5

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