Efferent Divison of the PNS Flashcards

1
Q

How many neurons does a somator motor have?

A

1

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2
Q

What kind of effector organ goes along with somatic motor

A

skeletal muscle

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3
Q

Can somatic motor be both inhibitory and excitatory

A

no, just e

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4
Q

Somatic motor usually under what control?

A

concious control

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5
Q

Autonomic Motor, how many neurons

A

2

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6
Q

What effector organs does autonomic motor neurons go to?

A

smooth and cardiac muscle, glands, gi neurons

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7
Q

What kind of control does autonomic nervous system operate under?

A

outside of concious control

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8
Q

Sympatheic Nevrous system

A

-prepares body for emergent or stressful situation
-fight or flight response
-inhibits processes that dont help physical exertion

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9
Q

Parasympatheic NS

A

-day to day activities and quiet relaxed situations
-rest or digest
-activate processes that help during the resting state

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10
Q

Where is the sympatheic located

A

thoracolumbar division

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11
Q

What are the length of the ganglion nerves in the SNS

A

short pre and long post

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12
Q

What kind of signaling is there in the SNS

A

diffuse signaling meaning one AP can influence multiple organs

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13
Q

Where is the PANS located

A

craniosacral divison

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14
Q

What is te length of the nerves in the PANS

A

long pre and short post

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15
Q

What kind of signaling in the PANSW

A

discrete: goes a long way to that organ

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16
Q

What is the name for the synapse between postganglionic neruon and its effector

A

neuroeffector junction

17
Q

Varicosities

A

swollen places of the axon, where voltage gated calcium channels induce the rlease of NTs from vesucle via exocytosis

18
Q

Somatic NT and receptor

A

Ach to N-AChR

19
Q

Autonotmic NT and reptor in SYM

A

1: ACh to N-ACHR which releases NEinto adrenergic receptors
2: release ACh ont the N-ACHR which its gaglion is int he adrneal medulla which releases epi onto adrenergic receptors via the blood stream

20
Q

Autonoic NT and receptor in PARA

A

-release ACh in both locations the first receptor is N and the second is M