BIOL-N261: Exam 4 ACTUAL
QUESTIONS AND CORRECT ANSWERS
Ventral think what? - CORRECT ANSWERS✅✅Motor
Dorsal think what? - CORRECT ANSWERS✅✅Sensory
There are no nerves where? - CORRECT ANSWERS✅✅In the CNS
White matter is white because of? - CORRECT ANSWERS✅✅myelin
In spinal cord the ____ matter is deep to the ____ matter - CORRECT ANSWERS✅✅gray
to the white
In the brain the ___ matter is superficial to the _____ matter - CORRECT
ANSWERS✅✅gray to the white
Gray matter is gray because? - CORRECT ANSWERS✅✅it has the unmyelinated cell
bodies
What is the Soma? - CORRECT ANSWERS✅✅cell body of neuron
Dendrites mostly ____, axon mostly _____, and then vesicles______ - CORRECT
ANSWERS✅✅taking info in
taking info out
release things by diffusion into the synapse.
What is Neural Phile? - CORRECT ANSWERS✅✅filler of neural tissue
Cerebrum think what? - CORRECT ANSWERS✅✅consciousness
, Spinal cord ends where? - CORRECT ANSWERS✅✅L1,L2
Afferent think what? - CORRECT ANSWERS✅✅Ascending/ Sensory/ Towards
Efferent think what? - CORRECT ANSWERS✅✅Descending/ Motor/ Away
What do Oligodendrocytes do? - CORRECT ANSWERS✅✅produce myelin (1 oligo to
many axons)
What do Ependymal cells do? - CORRECT ANSWERS✅✅produce CSF
What do Astrocytes do? - CORRECT ANSWERS✅✅produce the Blood Brain Barrier
Schwann cells differ from oligodendrocytes because - CORRECT ANSWERS✅✅(1 axon to
many Schwanns) and (1 oligo to many axons) they will be around axons whether myleinated
or not
What is chemotaxis - CORRECT ANSWERS✅✅target sends a chemical signal and it grows
forward
Satellite cells are similar to? - CORRECT ANSWERS✅✅ependymal cells
Fissures and sulcus are what? - CORRECT ANSWERS✅✅indentations
Gyrus are what? - CORRECT ANSWERS✅✅the lumps and bumps
What are Coroidplexes? - CORRECT ANSWERS✅✅modified ependymal cells that
produce CSF
Exteroceptors deal with what? - CORRECT ANSWERS✅✅temperature, vision, olfaction
QUESTIONS AND CORRECT ANSWERS
Ventral think what? - CORRECT ANSWERS✅✅Motor
Dorsal think what? - CORRECT ANSWERS✅✅Sensory
There are no nerves where? - CORRECT ANSWERS✅✅In the CNS
White matter is white because of? - CORRECT ANSWERS✅✅myelin
In spinal cord the ____ matter is deep to the ____ matter - CORRECT ANSWERS✅✅gray
to the white
In the brain the ___ matter is superficial to the _____ matter - CORRECT
ANSWERS✅✅gray to the white
Gray matter is gray because? - CORRECT ANSWERS✅✅it has the unmyelinated cell
bodies
What is the Soma? - CORRECT ANSWERS✅✅cell body of neuron
Dendrites mostly ____, axon mostly _____, and then vesicles______ - CORRECT
ANSWERS✅✅taking info in
taking info out
release things by diffusion into the synapse.
What is Neural Phile? - CORRECT ANSWERS✅✅filler of neural tissue
Cerebrum think what? - CORRECT ANSWERS✅✅consciousness
, Spinal cord ends where? - CORRECT ANSWERS✅✅L1,L2
Afferent think what? - CORRECT ANSWERS✅✅Ascending/ Sensory/ Towards
Efferent think what? - CORRECT ANSWERS✅✅Descending/ Motor/ Away
What do Oligodendrocytes do? - CORRECT ANSWERS✅✅produce myelin (1 oligo to
many axons)
What do Ependymal cells do? - CORRECT ANSWERS✅✅produce CSF
What do Astrocytes do? - CORRECT ANSWERS✅✅produce the Blood Brain Barrier
Schwann cells differ from oligodendrocytes because - CORRECT ANSWERS✅✅(1 axon to
many Schwanns) and (1 oligo to many axons) they will be around axons whether myleinated
or not
What is chemotaxis - CORRECT ANSWERS✅✅target sends a chemical signal and it grows
forward
Satellite cells are similar to? - CORRECT ANSWERS✅✅ependymal cells
Fissures and sulcus are what? - CORRECT ANSWERS✅✅indentations
Gyrus are what? - CORRECT ANSWERS✅✅the lumps and bumps
What are Coroidplexes? - CORRECT ANSWERS✅✅modified ependymal cells that
produce CSF
Exteroceptors deal with what? - CORRECT ANSWERS✅✅temperature, vision, olfaction
