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A&P I > CNS > Flashcards

CNS Flashcards

1
Q

Cross bar of H in spinal cord

A

Grey commissure

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2
Q

2 spinal cord functions

A

Reflex
Communication

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3
Q

Spinal meninge
Outer
Dense irreg

A

Dura mater

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4
Q

Spinal meninge
Middle
Collagenous
Elastic ct

A

Arachnoid mater

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5
Q

Inner most layer

A

Pia mater

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6
Q

Subarachnoid space

A

Cerebrospinal fluid
Between arachnoid and pia

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7
Q

Open nerves
Lumbar

A

Cauda equina

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8
Q

Spinal nerves

A

31

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9
Q

Sensory axons

A

Posterior root

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10
Q

Motor axons

A

Anterior root

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11
Q

Deep posterior muscles

A

Posterior ramus

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12
Q

Limbs
Skin

A

Anterior ramus

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13
Q

Turns around
Re enters vertebrae

A

Meningeal branch

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14
Q

ANS
Visceral organs
Out/ in signals

A

Rami communicantes

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15
Q

T2 armpit + back of arm
T3-6 ant. + lat. chest wall
T7-12 abdominal + skin
Posterior rami -> musc. in back

A

Intercostal nerves

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16
Q

C1-C5
Cervical plexus
Scalenes, trapezius, splenius capitis

A

Ansa cervicalis

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17
Q

C1-C5
Cervical plexus
Diaphragm

A

Phernic nerve

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18
Q

C5-T2
Brachial plexus
Levator scapuli
Rhomboids

A

Dorsal scapular

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19
Q

C5-T2
Brachial plexus
Supraspinatus
Infraspinatus

A

Supra scapular

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20
Q

C5-T2
Brachial plexus
Coracobrachioradialis
Biceps brachii

A

Musculocutaneous

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21
Q

C5-T2
Brachial plexus
Deltoid
Teres minor

A

Axillary nerve

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22
Q

C5-T2
Brachial plexus
Pronator teres
Pronator quadratus
Flexor carpi radialis
Flexor carpi ulnaris

A

Median nerve

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23
Q

C5-T2
Brachial plexus
Brachioradialis
Triceps brachii
Extensor carpi radialis
Extensor carpi ulnaris

A

Radial nerve

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24
Q

C5-T2
Brachial plexus
Funny bone

A

Ulnar nerve

25
Q

L1-L5
Lumbar plexus
Hip flexors and knee extensors

A

Femoral nerve

26
Q

L1-L5
Lumbar plexus
Adductors

A

Obturator nerve

27
Q

L4-S5
Sacral plexus
Hamstrings
Largest

A

Sciatic nerve

28
Q

L4-S5
Sacral plexus
Gastrocnemius
Soleus

A

Tibial nerve

29
Q

L4-S5
Sacral plexus
Fibularis longus

A

Common fibular nerve

30
Q

Reflex arc (5)

A
  1. Sensory receptor
  2. Sensory neuron
  3. Integrating center
  4. Motor neuron
  5. Effector
31
Q

Muscle length shorten
Ipsalateral
Monosynaptic

A

Stretch reflex

32
Q

Ipsalateral
Polysynaptic

A

Tendon reflex

33
Q

Ipsalateral
Polysynaptic
Pain stimulus

A

Flexor or withdrawal reflex

34
Q

Contralateral
Polysynaptic
Prevent falls

A

Crossed extensor réflex

35
Q

Behind brain stem

A

Cerebellum

36
Q

Deep and above brains stem

A

Diencephalon

37
Q

Top big part of brain

38
Q

Separates cerebrum sides

A

Falx cerebri

39
Q

Sep cerebellum

A

Falx cerebelli

40
Q

Sep cerebrum from cerebellum

A

Tentorium cerebelli

41
Q

CSF

A

Cerebrospinal fluid
Colorless
Central canal and ventricles
Shock and circulation and chemical protection

42
Q

Where csf is made

A

Ependymal cells in choroid plexus of epithalamus

43
Q

Separating membrane of ventricles

A

Septum pellucidum

44
Q

CN 8-12
Resp. HR BP
Swallow
Vomit
Cough

A

Medull oblongata

45
Q

CN 5-8
resp
Voluntary movements
Vestibular equilibrium

46
Q

CN 3+4
Head/eye
Muscle tone

47
Q

Lots of grey matter
Balance and posture
Skel muscle move
Branching white matter

A

Cerebellum
Arbor vitae

48
Q

80% diencephalon
Movement plan + control
Relay station
NOT smell

49
Q

ANS control
Pituitary gland
Nervous and endocrine sys connect

A

Hypothalamus

50
Q

Olfactory stimulus
Pineal gland (melatonin)
Choroid plexus

A

Epithalamus

51
Q

Superficial grey mater of cerebrum

A

Cerebral cortex

52
Q

Connections between hemispheres

A

Corpus callosum

53
Q

Myelinated white mater tract
Stay on their side

A

Association tract

54
Q

White mater cerebrum
Connect right and left gyri

A

Commissural tract

55
Q

Cerebrum white mater
Connect cerebrum to other CNS

A

Projection tracts

56
Q

Functional group of brain
Long term memory
Emotions

A

Limbic system

57
Q

Cerebral Cortex sensory areas

A

Primary somatosensory - proprioception pain pressure

58
Q

Motor areas of cerebral cortex

A

Primary motor cortex- integrate voluntary movement efferent

Brocas speech area - left, speech muscle

59
Q

Association areas of cerebral cortex

A

Somatosensory ass. Area- touch memory
Wernickes area- left, meaning of speech
Common Integrative- tpo lobes, mult senses Inter grated
Premotor area - dance, guitar
Frontal eye field

A&P I (9 decks)

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