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A&P I > PNS > Flashcards

PNS Flashcards

1
Q

Cell body in nuc of cns
Direct to skeletal musc

A

Lower motor neurons

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2
Q

Cell bodies in cerebral cortex
Direct and indirect
Muscle tone

A

Upper motor neurons

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3
Q

Interneurons
Connect upper and lower

A

Local circut neurons

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4
Q

Start and stop movement

A

Basal nuclei neurons

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5
Q

Coordinate and check body movements

A

Cerebellar neurons

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6
Q

Vía réflex arcs
Ongoing body actions
Involuntary

A

Autonomic nervous system

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7
Q

Myelinated
ACh
Cell body in CNS

A

Preganglionic

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8
Q

Un myelinated
Outside CNS
Norepinephrine or ACh

A

Postganglionic neuron

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9
Q

Most organs are…
Both divisions

A

Dual innervation

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10
Q

Sympathetic division

A

Thoracolumbar
T1-L3

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11
Q

3 named sympathetic trunk ganglia

A

Above diaphragm
Sides
Superior ganglia
Middle ganglia
Inferior ganglia

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12
Q

Prevertebral ganglia (4)

A

Organs below diaphragm
Anterior
Celiac
Superior mesenteric
Aorti corenal
Renal

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13
Q

Out system
Preganglionic fibers exit SC
Myelinated

A

White rami communicantes

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14
Q

Inbound system
Unmyelinated
Postganglion

A

Grey rami communicantes

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15
Q

3 fates of Preganglionic axon

A

synapse in ganglion
Synapse in diff ganglion
Pass w/o synapse and go to prevertebral ganglion (splanchnic)

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16
Q

To celiac ganglion
Stomach
Spleen
Liver
Pancreas

A

Greater splanchnic nerve

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17
Q

To aorti corenal ganglion
Small and large intestine

A

Lesser splanchnic nerve

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18
Q

To renal ganglion
Kidney
Ureters

A

Least splanchnic nerve

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19
Q

To inferior mesenteric ganglion
Large intestine
Genitals
Bladder

A

Lumbar splanchnic nerve

20
Q

Autonomic plexuses

A

Cardiac plexus
Pulmonary plexus
Celiac plexus (largest)
Superior mesenteric plexus
Hypogastric plexus
Renal plexus

21
Q

Parasympathetic division

A

Craniosacral division
CN 3 7 9 10

22
Q

CN 3
Eye

A

Ciliary ganglia

23
Q

CN 7
Face
Lacrimal

A

Pterygopalatine ganglia

24
Q

CN 7
Face
Salivary

A

Submandibular ganglia

25
Q

CN 9
Parotid
Salivary
Largest

A

Otic ganglia

26
Q

75% all
Heart lungs digest

A

Vagus

27
Q

Sacral parasympathetic

A

Pelvic splanchnic nerves

28
Q

Symp vs parasympathetic

A

Ganglia near vert col/near organ
Short Preganglionic fibers/long
Post gang use NE/ACh

29
Q

Somatic vs visceral senses

A

Touch temp/ internal so BP blood pH

30
Q

6 special senses

A

Equilibrium
Smell
Taste
Hear
Vision

31
Q

Blood vessels
Chemicals
Muscles

A

Interoceptors

32
Q

Pressure
Surface
Touch pain temp

A

Exteroceptors

33
Q

Muscles
Tendons ligaments joints
Stretch or relaxes

A

Proprioceptors

34
Q

Equilibrium
Pressure
Mechanical stimulus

A

Mechanoreceptors

35
Q

Temperature stim.

A

Thermoreceptors

36
Q

Light
Retna

A

Photoreceptors

37
Q

Chemicals
pH blood
Mouth nose

A

Chemoreceptors

38
Q

Tissue damage
Pain

A

Nociceptors

39
Q

Osmotic pressure of body fluids
Solutes
Thirst

A

Osmoreceptors

40
Q

Most in body
Bare dendrites

A

Free nerve endings

41
Q

2 free nerve endings

A

Merkel disk
Hair follicle receptors

42
Q

CT cover dendrites

A

Encapsulated nerve endings

43
Q

Encapsulated nerve ending
Concentric appearance
Deep dermis
Heavy pressure

A

Pacinian or lamellated corpuscle

44
Q

Encapsulated nerve ending
Scale appearance
Dermal papillae
Start and end
Light pressure

A

Meissner corpuscle

45
Q

Encapsulated nerve endings
Reticular region
Hand/feet
Contin. Deep press.

A

Ruffini corpuscles

46
Q

Stretch reflex
Tendon reflex
Joint

A

Muscle spindles
Golgi tendon organs
Joint kinesthetic receptors

A&P I (9 decks)

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