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A&P > Fuckin nerves and shit 11.1 > Flashcards

Fuckin nerves and shit 11.1 Flashcards

1
Q

How do cells communicate?

A

electrical and chemical signals

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2
Q

Which function gathers information about internal and external conditions?

A

Sensory

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3
Q

What function processes and interpretation the sensory input?

A

Integration

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4
Q

Which function is the response, activation of effector organs (muscles and glands)?

A

Motor output

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5
Q

auto

A

self

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6
Q

pathos

A

suffer/feel

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7
Q

Part

brain and spinal cord, integrative and control center

A

Central nervous system

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8
Q

Part

cranial nerve and spinal nerve, communication from CNS and rest of the body

A

PNS

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9
Q

Part

somatic and visceral sensory nerve fibers, conducts impulses from receptors to the CNS

A

Sensory (afferent) division

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10
Q

Part

conducts impulses from the CNS to effectors

A

motor efferent division

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11
Q

Another name for afferent division

A

sensory

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12
Q

Another name for efferent division

A

Motor

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13
Q

Voluntary or involuntary

Somatic

A

voluntary

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14
Q

Voluntary or involuntary

autonomic

A

involuntary

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15
Q

Part

conducts impulses from CNS to skeletal muscles

A

Somatic

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16
Q

Part

Conducts impulses from CNS to cardiac muscle, smooth muscle and glands

A

Autonomic

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17
Q

Part

mobilizes body systems during activity

A

sympathetic

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18
Q

Part

conserves energy, promotes house keeping functions during rest

A

Parasympathetic

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19
Q

2 basic cell types?

A

Neurogila and neurons

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20
Q

Which nervous cell supports cells of various functions?

A

neurogila

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21
Q

Which nervous cell transmits electrical signals?

A

neurons

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22
Q

Which neurogila cell forms permeable barrier, lining the cavities filled with cerebrospinal fluid?

A

Ependymal

23
Q

Which neuroglia cell has cilla?

A

Ependymal

24
Q

Which neuroglia cell clings to neurons and capillaries?

A

astrocytes

25
Q

aster/ astro

A

star

26
Q

What is the function of astrocytes?

A

nutritional support
modulate neuronal activity
releases neurotransmitters

27
Q

Which neuroglia cell wraps the CNS nerve fibers, forming insulating myelin sheaths of thicker nerves?

A

oligodendrocytes

28
Q

oligo

A

few

29
Q

dendron

A

tree

30
Q

Which neuroglia cell is small and phagocytize microorganisms and neuronal debris (clean shit up) and migrate toward injured neurons

A

microglial

31
Q

Which neuroglia cell surrounds the neuron cell bodies in PNS?

A

Satellite cells

32
Q

Which neuroglia cell surrounds and forms myelin sheaths of neurons in PNS?

A

Schwann cells

33
Q

What are the 6 different neuroglia cells?

A 
astrocytes
microglial
ependymal
oligodendrocytes
microglial
satellite
schwann
34
Q

postmitotic

A

after mitosis no longer dividing

35
Q

which part of the cell receives input

A

dendrites

36
Q

How does the imcoming messages from the dendrites to the cell body come?

A

graded potentials

37
Q

dendritic spines

A

little bumps where synapses form

38
Q

Are dendrites pre or post synamptic

A

yo look it up

39
Q

Which part of the neurons contains the cell nucleus and dna

A

soma

40
Q

Where are most neuronal cell bodies located?

A

CNS

41
Q

Which part of the neuron sends output

A

axon

42
Q

anterograde

A

forward away from soma

43
Q

retrograde

A

backward toward soma

44
Q

What releases neurotransmitters and forms synapse with other cells?

A

axon terminals

45
Q

what does the axon rely on the soma for

A

proteins and mRNA

46
Q

how does the proteins and mRNA get from the soma to the axon

A

microtubules by motor proteins

47
Q

What are the two types of neuronal processes

A

dendrites and axon

48
Q

What is the junction between axon and soma

A

axon hillock

49
Q

What is the decision point of the neuron

A

axon hillock

50
Q

What integrates and sums electrical inputs from dendrites

A

axon hillock

51
Q

When voltage is high enough in the axon hillock what happens

A

AP is generated

52
Q

What protects and electrically insulates the axon

A

myelin sheath

53
Q

what increases speed of nerve impulse transmission

A

myelin sheaths

A&P (16 decks)

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