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MRCS PART B > Head and neck > Flashcards

Head and neck Flashcards

1
Q

Subdural heamatoma

A

Bridging veins

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2
Q

Occipital condyle

A

C1 atlas

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3
Q

Muscles that open the mouth

A

Digastric
Geniohyoid
Lateral pterygoid
Mylohyoid

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4
Q

Pterion bone

A

Frontal, Parietal, Temporal, Sphenoid

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5
Q

Crista galli

A

Falx cerebri

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6
Q

Clivus

A

Abducens nerve
Basillar artery
Pons

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7
Q

TMJ

A

Mandibular fossa
mandible head
articular tubercle

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8
Q

Infrahyoid

A

Sternohyoid
Omohyoid

Thyrohyoid - C1
Sternothyroid

ansa cervicalis

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9
Q

Why pupil dilation in oculomotor nerve palsy

A

Denervation of the parasympathetic fibres that are carried along the nerve

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10
Q

Surface marking for accessory nerve

A

Crosses posterior triangle
upper 1/3rd and lower 2/3rd of SCM
upper 2/3 and lower 1/3 of trap

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11
Q

OPening vocal cords

A

Posterior cricoarytenoid

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12
Q

Closing

A

Lateral cricoarytenoid

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13
Q

Openings of TMJ

A

Digastric
Lateral pterygoid
Geniohyoid
Mylohyoid

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14
Q

styloid muscles

A

Styloglossus
Stylohyoid
Stylopharyngeus

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15
Q

Nerve related to ECA

A

Hypoglossal

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16
Q

Carotid body and sinus

A

Carotid body = chemoreceptor -> Posterior CCA birfucation
Carotid sinus = Baroreceptors -> Dilated area of ICA

17
Q

Layers of brain

A

Dura, Pia, Arachnoid

18
Q

Muscles that attach to mastoid

A

sternocleidomastoid
splenius capitis
posterior belly of digastirc
longismus capitis

19
Q

Pretracheal fascia

A

Infrahyoid
Thyroid and parathyroid
Pharynx and oesophagus

20
Q

Occulomotor nerve origin

A

Midbrain - occulomotor nucleus
Exits - SOF

20
Q

Tentorium cerbelli

A

superior angle of petrous of temporal bone
posteriorly = occipital bone

21
Q

Can you transect facial artery

A

Yes
Rich collaterals between contralateral FA and maxillary artery

22
Q

Parotid duct

A

middle third between tragus and philtrum
Pierces biccinaotr
opposite second molar between buccal mucosa

23
Q

Parotid secreations

A

serous due to parasympathetic

24
Q

Submandibular duct

A

Floor of mouth, lingual frenulum
Mucus and serous

25
Q

Nerve at carotid bifurcation

A

Glossopharyngel nerve

26
Q

Venous drainage of thryoid

A

STV and MTV - IJV
ITV - brachiocephalic

27
Q

ELN

A

Superior thryoid artery

28
Q

RLN

A

Inferior thyroid artery

29
Q

Where does menigioma arise

A

arachnoid cap

30
Q

Third nerve palsy

A

posterior communicating artery branches off the ICA

MRCS PART B (10 decks)

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