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Finals > Anatomy > Flashcards

Anatomy Flashcards

1
Q

Arteries in the leg

A

External iliac->femoral->popliteal->anterior tibial->dorsalis pedis

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2
Q

What is area covered by L3 dermatome

A

Anterior thigh

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3
Q

What is area covered by L4 dermatome

A

Over the knee and medial malleolus

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4
Q

What is area covered by L5 dermatome

A

Over dorsum of foot
Lateral calf and malleolus

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5
Q

What is area covered by S1 dermatome

A

Posterolateral area of foot
Lateral side of foot (pinky toe)

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6
Q

At what level does aorta bifurcate

A

L4

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7
Q

Which cranial nerves come out of the different brainstem parts

A

Midbrain- CN3 and 4
Pons- CN5-8
Medulla- CN9-12

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8
Q

Branches of CNV

A

V1= opthalmic
V2= maxillary
V3= mandibular

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9
Q

Function of CNV

A

Sensory to skin, sinuses and mucous membranes of face
CNV1 is corneal reflex
Motor control of muscles of mastication- masseter, temporalis
General sensation on anterior 2/3 tongue

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10
Q

Function of CN7

A

Motor- facial muscles supply
Sensory- anterior 2/3 taste on tongue
Parasympathetic supply of sublingual, submandibular and lacrimal glands

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11
Q

Difference in inflammation of vestibular neuronitis vs labyrinthitis

A

Vestibular neuronitis= inflammation of vestibular branch of CN8
Labyrinthitis= inflammation of complex of membranous labyrinth (semicircular rings complex)

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12
Q

Function of CN8

A

Splits into 2 branches at
- vestibular nerve= sensory information on balance
- cochlear= sensory information on hearing

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13
Q

Function of CN9

A

Sensory- touch and taste to posterior 1/3 of tongue
Afferent for gag reflex
Parasympathetic= parotid gland

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14
Q

Function of CN10

A

Sensory- heart, abdominal organs and larynx
Motor- muscles of pharynx and larynx
Parasympathetic supply to abdominal tract, heart and bronchi

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15
Q

Function of CN11

A

Motor to sternocleidomastoid and trapezius

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16
Q

Function of CN12

A

Motor- muscles of tongue

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17
Q

Nerve affected if tongue deviated to right

A

Right hypoglossal nerve

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18
Q

Efferent pathway in gag reflex

A

Vagus

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19
Q

If uvula is deviated to right where is lesion

A

Left vagus nerve

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20
Q

Corticospinal tract pathway

A

Motor
Cerebral cortex
Decussate in medulla
Synapse at spinal level and leave through ventral horn

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21
Q

What is carried in spinothalamic pathway

A

Temperature
Crude pressure
Pain

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22
Q

Where do spinothalamic vs dorsal column tracts decussate

A

Dorsal= medulla
Spinothalamic= 2 levels above level where enter dorsal horn

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23
Q

Causes of brown sequard

A

Trauma
Ischaemic
Infective- TB, abscess
MS

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24
Q

Presentation of brown sequard

A

Ipsilateral weakness
Ipsilateral vibration and proprioception loss
Contralateral pain and temp loss

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25
Q

What are is covered by S2 dermatome

A

Posterior thigh

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26
Q

What is covered by C5 dermatome

A

Lateral part of arm down to elbow

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27
Q

What is covered by C6 dermatome

A

Lateral lower arm down to thumb

28
Q

What is covered by C7 dermatome

A

Plamar and dorsal middle 3 fingers with a lot lower arm

29
Q

What is covered by C8 dermatome

A

Palmar little finger up to medial elbow

30
Q

What is covered by T1 dermatome

A

Medial upper arm

31
Q

What dermatome covers AC joint and over shoulder

32
Q

Muscles and nerve for shoulder adduction

A

Pec major
Lat dorsi
Teres major
Nerve- Scapular

33
Q

Muscles and nerves for shoulder abduction

A

Deltoid
Axillary

34
Q

Elbow flexion

A

Musculocutaneous
C5

35
Q

Elbow extension

36
Q

Wrist flexion

A

Radial C6,7

37
Q

Wrist extension

38
Q

Thumb abduction

39
Q

Finger flexion

40
Q

Finger extension

41
Q

Finger abduction

42
Q

Sensory area for axillary nerve

A

Area under the shoulder on both sides

43
Q

Sensory area for musculocutaneous nerve

A

Lateral part of forearm

44
Q

Sensory area for radial nerve

A

Lateral part of forearm then posterior forearm
Back of hand

45
Q

Sensory area for median nerve

A

Palmar lateral 3 and a half fingers

46
Q

Sensory area for ulnar nerve

A

Lateral 1 and a half fingers

47
Q

Muscle for thumb adduction

48
Q

Nerve for knee flexion

A

Sciatic S1

49
Q

Nerve for knee extension

A

Femoral L3,4

50
Q

Inferior gluteal

A

Femoral L2

51
Q

Nerve for hip flexion

52
Q

Nerve for ankle dorsiflexion

A

Common peroneal
L4

53
Q

Nerve for ankle plantarflexion

54
Q

Nerve for toe flexion

A

Deep peroneal
L5

55
Q

Root for knee reflex

A

L3-L4
Femoral

56
Q

Root for ankle reflex

A

S1-S2
Tibial

57
Q

Nerve for toe extension

A

Common peroneal

58
Q

Common peroneal sensory nerve area

A

Dorsum of foot and lateral lower leg

59
Q

Femoral nerve stretch test vs straight leg raise test

A

Straight leg raise will induce pain in buttocks or posterior thigh if S1-S2/sciatic nerve compression
Femoral nerve stretch test involves lying on back and extending hip with knee flexed- pain in anterio thigh= L2/4/ femoral nerve compression

60
Q

S1 compression

A

Sensory loss posterolateral aspect of leg and lateral aspect of foot
Weakness in plantar flexion of foot
Reduced ankle reflex
Positive sciatic nerve stretch test

61
Q

L3 compression

A

Sensory loss over anterior thigh
Weak hip flexion, knee extension and hip adduction
Reduced knee reflex
Positive femoral stretch test

62
Q

L4 compression

A

Sensory loss anterior aspect of knee and medial malleolus
Weak knee extension and hip adduction
Reduced knee reflex
Positive femoral stretch test

63
Q

L5 compression

A

Sensory loss dorsum of foot
Weakness in foot and big toe dorsiflexion
Reflexes intact
Positive sciatic nerve stretch test

64
Q

Where is lesion in INO

A

MLF on side of eye unable to adduct

65
Q

What use to keep delirious patient on ward

Finals (29 decks)

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