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Integrative Physiology > Autonomic and Somatic Motor Control > Flashcards

Autonomic and Somatic Motor Control Flashcards

1
Q

Autonomic motor control

A

Autonomic reflexes, antagonistic control, control of cardiac and smooth muscle and glands in homeostasis

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2
Q

Somatic motor control

A

CNS control of skeletal muscles through neuromuscular junctions

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3
Q

Autonomic nervous system

A

Involuntary information to/from glands, regulation of homeostasis

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4
Q

Somatic nervous system

A

Voluntary information from CNS to skeletal muscles, required for movement

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5
Q

Antagonistic branches of ANS

A

Parasympathetic, sympathetic nervous system

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6
Q

Parasympathetic nervous system

A

Rest and digest, restores body functions

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7
Q

Sympathetic nervous system

A

Fight or flight, energetic action

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8
Q

Hypothalamus regulates

A

Water balance, temperature, hunger

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9
Q

Pons regulates

A

Respiration

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10
Q

Medulla regulates

A

Respiration, cardiac function, vomiting, swallowing

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11
Q

Autonomic pathways

A

Involve two neurons in a series (preganglionic, postganglionic)

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12
Q

Antagonistic control

A

Excitatory and inhibitory control system (parasympathetic and sympathetic control)

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13
Q

Sympathetic pathway neurotransmitters

A

Acetylcholine, norepinepherine

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14
Q

Parasympathetic pathway neurotransmitters

A

Acetylcholine

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15
Q

Target tissues for sympathetic and parasympathetic pathways

A

Symp: Adrenergic receptor
Parasymp: Muscarinic receptor

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16
Q

Autonomic targets

A

Smooth muscle, cardiac muscle, exocrine glands, endocrine glands, lymphoid tissue, adipose tissue

17
Q

Neuroeffector junction

A

Synapse between postganglionic autonomic neuron and autonomic target cell

18
Q

Varicosities

A

Vesicles of postganglionic neurons that contain neurotransmitters and mitochondrion

19
Q

Sympathetic control

A

Pupil dilation, salivation, heart beat and volume, blood vessel and bronchodilation, fat breakdown, ejaculation; inhibition of digestion, pancreas secretions, urination

20
Q

Parasympathetic control

A

Constricts pupils and bronchioles, slows heart, stimulations digestion, insulin release, urination, erections

21
Q

Primary function of somatic nervous system

A

Posture, movement

22
Q

Somatic motor division terminates in

A

Neuromuscular junction

23
Q

Horner’s syndrome

A

Ipsilateral loss of sympathetic innervation, parasympathetic innervation dominates (pupil in relaxed state at all times, cannot dilate)

Integrative Physiology (13 decks)

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