Supportive Cells

Question 1

neuroglia are cells that perform various

Answer 1

supportive and protective roles for the neurons

Question 2

oligodendrocytes are found where?

Answer 2

CNS

Question 3

oligodendrocytes resemble

Answer 3

an octopus because it has 15 arms

Question 4

oligodendrocyte arms reach out and wrap around a nerve fiber

Answer 4

like electrical tape on a wire

Question 5

oligodendrocytes wrapping around a fiber creates

Answer 5

a myelin sheath

Question 6

myelin sheath

Answer 6

insulates the nerve fiber from the ECF and speeds up signals conduction in the nerve fiber

Question 7

ependymal is found where?

Answer 7

CNS

Question 8

ependymal resemble

Answer 8

cuboidal epithelium

Question 9

ependymal lines the

Answer 9

internal cavities of the CNS

Question 10

does ependymal have a basement membrane?

Answer 10

no

Question 11

ependymal exhibits what kind of process that penetrate the underlying tissue

Answer 11

rootlike

Question 12

ependymal produces what?

Answer 12

cerebral spinal fluid(CSF)

Question 13

microglia are found where?

Answer 13

CNS

Question 14

microglia has what kind of process?

Answer 14

long thorny

Question 15

what do microglia processes touch?

Answer 15

nearby neurons

Question 16

microglia play what type of role?

Answer 16

protective

Question 17

astrocytes are found where?

Answer 17

CNS

Question 18

astrocytes are the most

Answer 18

abundant

Question 19

astrocytes are what type of cell?

Answer 19

branching

Question 20

astrocytes radiating processes cling to what?

Answer 20

neurons, their synapses, and capillaries

Question 21

astrocytes form

Answer 21

blood-brain barrier

Question 22

astrocytes regulate blood flow between

Answer 22

neurons and its capillaries

Question 23

astrocytes recapture

Answer 23

neurotransmitters

Question 24

astrocytes have structural

Answer 24

support

Question 25

schwann cells are found in the

Answer 25

PNS

Question 26

schwann cells surround

Answer 26

large nerve fibers

Question 27

schwann cells form

Answer 27

myelin sheaths

Question 28

satellite cells are found in the

Answer 28

PNS

Question 29

satellite cells surround

Answer 29

neuron cell bodies

Question 30

the function of satellite cells

Answer 30

is unknown

Question 31

myelinated fibers conduct

Answer 31

nerve impulses rapidly

Question 32

unmyelinated fibers conduct

Answer 32

impulses slowly

Question 33

dendrites are always

Answer 33

uninsulated

Question 34

what makes up the neurilemma

Answer 34

schwann cell external membrance

Question 35

large fibers have more surface area and conduct signals______________ than small fibers

Answer 35

more rapidly