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Neuroscience > Exam 3: Autonomic Nervous System > Flashcards

Exam 3: Autonomic Nervous System Flashcards

1
Q

Who is the supreme overseer of the autonomic system?

A

Hypothalamus

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2
Q

Where is the preganglionic cell body of the SANS?

A

Thoracolumbar

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3
Q

Where is the preganglionic cell body of the PSANS?

A

Brainstem and sacral spine

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4
Q

What does the preganglionic cell body of the SANS and PSANS release in the ganglion? What is the receptor for this in the ganglion?

A

Ach

Nicotinic receptor

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5
Q

Where is the cell body of the somatic motor system located?

A

Ventral horn spine

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6
Q

What does the cell body of the somatic motor system release? What is its receptor?

A

Ach

Nicotinic

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7
Q

What does the postganglionic neuron release in the SANS? What are the receptors?

A

Norepinephrine

α and β

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8
Q

What does the postganglionic neuron release in the PSANS? What are the receptors?

A

Ach

Muscarinic

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9
Q

Which axon is longest for the SANS, preganglionic or postganglionic?

A

Postganglionic

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10
Q

Which axon is longest for the PSANS, preganglionic or postganglionic?

A

Preganglionic

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11
Q

Where are the postganglionic cell bodies located for SANS innervation to the eye?

A

Cranial cervical ganglia

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12
Q

What cranial nerves supply PANS to the head?

A

3, 7, 9, 10

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13
Q

Who supplies PANS innervation to the thorax and cranial abdomen?

A

Vagus nerve

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14
Q

Who supplies SANS innervation to the caudal abdomen?

A

Splanchnic nerves

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15
Q

Who is fight or flight, SANS or PSANS?

A

SANS

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16
Q

Who is rest or digest, SANS or PSANS?

A

PSANS

17
Q

Which connects to the adrenal gland, SANS or PSANS?

A

SANS

18
Q

How do fibers from the thoracolumbar SANS get to the areas cranial or caudal to these spinal cord segments?

A

Sympathetic trunk

19
Q

What is the ganglion for the SANS to the bladder?

A

Caudal mesenteric ganglion

20
Q

What makes the pupil constrict, SANS or PSANS?

A

PSANS

21
Q

What is the ganglion for pupil constriction called?

A

Ciliary ganglion

22
Q

What is the postganglionic nerve for pupil constriction called?

A

Short ciliary nerve

23
Q

What makes the pupil dilate, SANS or PSANS?

A

SANS

24
Q

What makes you salivate?

A

Smell
CN 7: mandibular and sublingual salivary glands
Cn 9: Parotid and zygomatic salivary glands

25
Q

If you had been in a car accident and had to have one of the two pupil descriptions, which would you want to have, bilateral fixed and dilated or bilateral miosis?

A

Bilateral miosis

26
Q

What is miosis?

A

Constricted pupil

27
Q

What is mydriasis?

A

Dilated pupil

28
Q

What is anisocoria?

A

Different pupil sizes

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