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Anatomy 213 > Chapter Sixteen: Autonomic Nervous System > Flashcards

Chapter Sixteen: Autonomic Nervous System Flashcards

1
Q

The ANS is divided into what two divisions? What is the third nervous system branch of ANS?

A

Sympathetic and Parasympathetic
Entric Nervous System

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2
Q

What nervous system?
- nerve plexuses within the wall of the digestive tract
- stimulates/inhibits smooth muscle contraction
- stimulates/inhibits gland secretions
- detect changes in content of lumen

A

Entric Nervous System

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3
Q

Peripheral nerves contain both…and…neurons

A

motor
sensory

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4
Q

What type of motor neuron innervate skeletal muscles?

A

Somatic Neurons

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5
Q

What type of motor neuron innervate smooth muscle, cardiac muscle, and glands?

A

Autonomic Neurons

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6
Q

Somatic or Autonomic?
- skeletal muscle
- conscious and unconscious movement
- skeletal muscle contracts - always excitatory
- one synapse

A

Somatic

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7
Q

Somatic or Autonomic?
- smooth and cardiac muscle and glands
- unconscious regulation
- target tissues stimulated or inhibited
- two synapses

A

Autonomic

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8
Q

What are primary substances produced by neurons of ANS?

A

neurotransmitters

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9
Q

…released by cholinergic neurons

A

Acetylcholine

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10
Q

…released by adrenergic neurons

A

Norepinephrine

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11
Q

Effector cells have…which combine with neurotransmitters to produce a response

A

receptors

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12
Q

…receptors bind acetylcholine

A

Cholinergic

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13
Q

What are the two types of Cholinergic receptors?

A

Nicotinic and Muscarinic

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14
Q

What type of Cholinergic receptor?
- all receptors on postganglionic neurons, all skeletal muscles, adrenal glands; excitatory

A

Nitotinic

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15
Q

What type of Cholinergic receptor?
- all receptors on parasympathetic effectors, receptors of some sweat glands; excitatory or inhibitory

A

Muscarinic

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16
Q

What kind of receptors bind norepinephrine/epinephrine?

A

Adrenergic Receptor

17
Q

Location of the cell bodies are in the…

A

CNS

18
Q

Location of autonomic ganglia in the…

A

PNS

19
Q

The sympathetic division has preganglionic cell bodies are located in lateral horns of spinal cord…

A

T1-L2

20
Q

Myelinated preganglionic axons travel to the retroperitoneal…

A

sympathetic chain ganglia

21
Q

The parasympathetic division is also known as the…division

A

Craniosacral Division

22
Q

What type of ganglia is located near the innervated organ or embedded in wall of organ?

A

Terminal Ganglia

23
Q

…nervous system prepares body for physical activity or fight-or-flight response

A

Sympathetic

24
Q

Is sympathetic or parasympathetic more important for resting conditions (rest and digest)?

A

Parasympathetic

25
Q
A

Anatomy 213 (14 decks)

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