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brain and behaviour > anatomy of the neck > Flashcards

anatomy of the neck Flashcards

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The Brain flashcards
1
Q

label the triangles of the neck

A
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2
Q

what’s in the posterior triangle

A

CN XI
EJV superficial over SCM
lymph nodes
subclav artery
brachial plexus, cervical plexus, phrenic nerve

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3
Q

why would EJV become more prominent (3)

A

heart failure
supeerior vena cava occlusion
enlarged supraclavicular lymph nodes

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4
Q

where should jvp be visible?

A

4-5cm above sternal angle

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5
Q

where does phrenic nerve start

A

C345

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6
Q

where does CN xi start

A

C12345

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7
Q

when can CN xi get injured

A

lymph node surgery

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8
Q

what does CN xi innervate

A

traps and SCM

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9
Q

presentation of CN xi palsy

A

dropped shoulder, can’t actively raise arm above 80/90 degrees

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10
Q

what is cervical plexus

A

C1234

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11
Q

what is innervation of infrahyoid muscles

A

ansa cervicalis C123

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12
Q

what is in the submandibular triangle of the anterior triangle

A
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13
Q

what are borders of carotid triangle

A

post belly of digastric
sup belly of omohyoid
ant border of SCM

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14
Q

what’s in the carotid triangle

A

common carotid
IJV
9,10,11,12 CN
cervical symp trunk
ansa cervicalis

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15
Q

where is carotid bifurcation

A

thyroid cartilage (c3-5)

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16
Q

where is carotid body

A

at bifurcation of carotid artery

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17
Q

what does carotid sinus recept

A

baroreceptors

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18
Q

what does carotid body recept

A

chemoreceptors O2 and CO2

19
Q

which branch of the maxillary artery supplies the skull and dura mater

A

middle meningeal

20
Q

where does middle meingeal travel through

A

foramen spinosum

21
Q

what are branches of external carotid

A

SUck ASs; LIck FAce OCcasionally. POse: SUper MAnly.

Superior Thyroid
Ascending pharyngeal
Lingual
Facial
Occipital
Posterior auricular
Superficial temporal
Maxillary

22
Q

what is sandwiched between internal jugular vein and common carotid arteru

A

vagus

23
Q

label

A
24
Q

what do head sympathetics use to get into the head

A

carotid sheath as scaffolding

25
Q

how many cervical ganglia are there? names?

A

3 sup middle inf

26
Q

where does symmpathetic start

A

hypothalamus

27
Q

what is pharmacologial test for Horners

A

topical 0.5-1% apraclonadine
dilation of affected pupil, poss improvement ptosis

28
Q

what innervates laryngeal muscles motor

A

vagus

29
Q

which side do you do IJV puncture

A

right to miss thoracic duct

30
Q

what info does IJV give you

A

right atrial pressure (because how much rebound there is

31
Q

label

A
32
Q

what is the opening of the vocal folds called

A

rima glottidis

33
Q

which is the only intrinsic throat muscle inervated by superior laryngeal

A

crico thyroid

34
Q

which intrinsic throat muscles are innervated by recurrent laryngeal

A

posterior and lateral cricoarytenoids,
vocalis (thyroarytenoids), transverse and oblique arytenoids

35
Q

what is happening here

A

forced resp

36
Q

what is happening here

A

normal resp

37
Q

what is happening here

A

phonation

38
Q

what is happening here

A

whispering

39
Q

where does L recurrent laryngeal go

A

under arch of aorta

40
Q

where does R recurrent laryngeal go

A

under subclavian

41
Q

how would you get paralysis of superior laryngeal

A

surgery or goitre

42
Q

what happens with paralysis of superior laryngeal

A

monotonous voice, loss of cough reflex

43
Q

paralysis of recurrent laryngeal

A

quiet voice hoarse

brain and behaviour (14 decks)

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