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Neuro Systems Exam 2 > 3A. Autonomic Nervous System (ANS) > Flashcards

3A. Autonomic Nervous System (ANS) Flashcards

1
Q

The _______________ innervation is actually a lower motor neuron system

A

autonomic

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2
Q

List the function of the Autonomic System:

A
  • internal response to external stimuli
  • involuntary reactions or responses
  • response to stresses
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3
Q

The center control of the autonomic system is the __________________

A

Hypothalamus

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4
Q

Autonomic center control: Hypothalamus. (upper motor aspect)
- ____________________of the hypothalamus regulates Parasympathetic Division
- _____________________ of the hypothalamus regulates Sympathetic Division

A
  • Rostral Portion
  • Caudal Part
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5
Q
  • cardiac muscle
  • smooth muscle
  • glandular tissue
    These are the Target structures of:
A

Autonomic System

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6
Q

The autonomic system has _______ cell bodies (neurons), making a chain to the target

A

two

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7
Q

The somatic system, has ________ neuron, _____ cell body and that was located in the ventral gray horn of the spinal cord

A

one, one

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8
Q

Skeletal muscle is the Target structure for:

A

Somatic System

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9
Q

(T/F) On the somatic side, there are ganglia

A

False, no ganglia

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10
Q

The autonomic system has ganglia where a synapse occurs between our two cells.
- Prevertebral & paravertebral are associated with ___________________ division
- Terminal & named ganglia in reference to ________________________ system

A
  • Sympathetic
  • Parasympathetic system
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11
Q

On the sympathetic side of the system, that neurotransmitter is _______________ or _____________

A

Epinephrine
Adrenaline

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12
Q

What is the neurotransmitter that is released from postganglionic parasympathetic fibers?

A

Acetylcholine

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13
Q

PREganglionic sympathetic fibers are relatively ______________
POSTganglionic sympathetic fibers are relatively ______________

A
  • Short
  • Long
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14
Q

PREganglionic parasympathetic fibers are relatively ______________
POSTganglionic parasympathetic fibers are relatively ______________

A
  • Long
  • Short
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15
Q

Anatomy of the Sympathetic Nervous System - GVE LMN
Thoracolumbar Origin: ___________ of the spinal cord

A

lateral horn

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16
Q

Anatomy of the Sympathetic Nervous System - GVE LMN
- Sympathetic trunk Ganglia
- Cervical ganglia: cervicothoracic, middle, cranial

A

Paravertebral Ganglia

17
Q

Anatomy of the Sympathetic Nervous System - GVE LMN
- Ganglia that are wrapped around the major aortic abdominal blood vessels
- celiac
- cranial mesenteric
- caudal mesenteric
- other

A

Prevertebral Ganglia

18
Q

Peripheral sympathetic innervation to trunk and limb structures:
Peripheral target:
- _________________ glands
- arrector pili muscles that rise _____________
- _____________ smooth muscle

A
  • Sweat
  • hair
  • Vascular
19
Q

Examples of Sympathetic nerves:
- ______ganglionic: major, minor, lumbar splanchnic nerves

A
  • pre
20
Q

Examples of Sympathetic nerves:
- ______ganglionic: hypogastric, vertebral nerves

A
  • post
21
Q

Sympathetic innervation path to structure in the head:

A
  1. Preganglionic cell body in the Thoracolumbar part of the cord, forming the Lateral Horn
  2. ramus communicans
  3. Sympathetic trunk
  4. cervicothoracic ganglion
  5. Ansa Subclavia
  6. Middle cervical ganglion
  7. Vagosympathetic trunk
  8. Cranial cervical ganglion: POSTganglionic cell bodies
22
Q

The connecting piece from the spinal cord to the sympathetic trunk

A

Ramus communicans (#2)

23
Q

Craniosacral Origin:
- Brainstem: nuclei for certain cranial nerves
- Sacral Spinal Cord

A

Parasympathetic Innervation - GVE LMN

24
Q

Parasympathetic Innervation - GVE LMN
Cranial Division Summary
- ________________ cell bodies in parasympathetic nuclei of CN III, VII, IX, X
- __________________ cell bodies in either named or terminal ganglia

A
  • Preganglionic
  • Postganglionic
25
Q

Parasympathetic Innervation - GVE LMN
Sacral Division Summary
- Preganglionic cell bodies in parasympathetic nuclei of lateral horn area of _________________ of the spinal cord
- Postganglionic cell bodies in either __________ ganglia or the ____________ ganglion

A
  • sacral part
  • terminal, pelvic
26
Q

What is the role of the caudal hypothalamus in autonomic innervation?

A

it regulates the sympathetic division

27
Q

Where would you find a preganglionic sympathetic cell body? in the:

A

thoracolumbar spinal cord

28
Q

Which of the following is a named ganglion in the craniosacral division of autonomic innervation?
- lacrimal
- pterygopalatine
- rostral salibatory

A

pterygopalatine

29
Q

Which is a characteristic feature of autonomic innervation?

A

Two neurons in the chain of innervation

30
Q

Which is an example of paravertebral ganglia?

A

middle cervical

31
Q

The rostral salivatory nucleus sends axons to synapse in which ganglion?

A

mandibular ganglion

32
Q

The caudal salivatory nucleus sends axons to synapse in which ganglion?

A

otic ganglion

Neuro Systems Exam 2 (11 decks)

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