ANS Flashcards

1
Q

The basic circuit of ANS is what kind of system?

A

2 Neuronal Chain System

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2
Q

Parasympathetic NS is also known as ________.

A

Cranio-sacral (because some nerves are cranial, and some sacral)

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3
Q

Which cranial nerves involved in parasympathetic NS?

A

III - occulomotor
VII - facial
IX - glossopharyngeal
X - vagus

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4
Q

CN III innervates the ________ and causes _______.

A

pupils - constriction

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5
Q

CN VII innervates the __________ and mucus membranes of the head.

A

salivary and sublingual glands

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6
Q

CN IX innervates the _________.

A

parotid gland

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7
Q

CN X innervates everything below the neck up until the ________.

A

L colic flexure

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8
Q

Sympathetic NS causes pupillary ________.

A

dilation

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9
Q

Sympathetic NS causes ________ HR.

A

increased

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10
Q

Sympathetic NS causes ________ of blood vessels in skeletal muscles.

A

dilation

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11
Q

Parasympathetic NS causes gut ________.

A

motility

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12
Q

Sympathetic NS causes _________ of blood vessels in the gut.

A

constriction

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13
Q

Parasympathetic NS causes pupillary ________.

A

constriction

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14
Q

Parasympathetic NS causes ________ HR.

A

decreased

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15
Q

Parasympathetic NS causes airway ________.

A

constriction

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16
Q

T or F: actual state of being is determined by balance between both sympathetic and parasympathetic systems.

A

TRUE

17
Q

The preganglionic neuron in the neuronal chain system has cell body in the

A

CNS

18
Q

The postganglionic neuron in the neuronal chain system has cell body in

A

PNS (it is an autonomic ganglion)

19
Q

The ganglia are located in or near the organ that is innervated so first axon is _____ and second axon is ______ in parasympathetic system.

A
1st = long
2nd = short
20
Q

The first axon is ______ and 2nd axon is _____ in the sympathetic NS.

A
1st = short
2nd = long
21
Q

For both sympathetic and parasympathetic, the first synapse neurotransmitter receptor is ______.

A

cholinergic (nicotinic)

22
Q

For parasympathetic neurotransmitter, the synapse onto effector is ______.

A

cholinergic (muscarinic)

23
Q

For sympathetic neurotransmitter, the synapse onto effector is ______.

A

noradrenergic (norepinephrine)

24
Q

The sympathetic chain extends the length of the vertebral column even though the levels of origin from spinal cord are only _____.

A

T1-L2

25
Q

The sympathetic neurons exit on spinal nerve then enter the sympathetic chain ganglion via the __________.

A

white ramus

26
Q

The second sympathetic neuron can synapse on ganglion at that level and then exit spinal n at that level via ______.

A

gray ramus

27
Q

T of F: The second sympathetic neuron can travel up or down the chain before exiting to innervate UE, head, face, LE, or pelvic organs.

A

True.

28
Q

Which sacral cord levels contribute to cranio-sacral (parasympathetic) system?

A

S2-4 intermediate gray matter