Random Block 2 Flashcards by Gavin Fox

Hyoid bone is at which CV?

CV3

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The only bone in body not directly connected to the skeletal structure?

hyoid bone

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Tributaries of external jugular vein?

Posterior auricular vein and retromandibular vein

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Which vein is anterior to SCM?

Ext. jugular vein

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Which vein passes deep to SCM to terminate in EJV?

Int. jugular vein

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Where does the EJV terminate?

subclavian vein

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Vertebral level of superior cervical ganglion?

C1, C2

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Level of middle cervical ganglion?

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Level of inferior cervical (stellate) ganglion?

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Contributions to lesser occipital nerve?

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Contributions to great auricular and transverse cervical nn.?

C2,C3

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Contributions to supraclavicular nn.?

C3,C4

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CN VII emerges from?

stylomastoid foramen

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Innervation of carotid sinus (baroreceptors)?

CN IX

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Innervation of carotid body (chemoreceptors)?

CN IX, CN X

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S of SCALP

Skin

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C of SCALP

Connective tissue (dense)

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A of SCALP

Aponeurotic layer

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L of SCALP

Loose connective tissue

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P of SCALP

Pericranium

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Which veins can spread infection from scalp to dural venous sinuses?

Emissary and diploic VV.

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Attachments of falx cerebri?

Crista galli, midline of calvaria, internal occipital protuberance

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Roof of posterior cranial fossa?

tentorium cerebelli

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Attachments of tentorium cerebelli?

posterior clinoid process, temporal bone, occipital bone

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Falx cerebelli?

covers the hypophyseal fossa

What covers the sella turcica?

diaphragma sellae

Innervation of dural partitions?

V1 of CN V

Foramina of cribriform

CN I

Optic canal

CN II and opthalmic artery

Superior orbital fissure

CN III, IV, VI and V1 and opthalmic vein

Foramen rotundum

Foramen ovale

V3 and lesser petrosal vein

Foramen lacerum

nothing

Foramen spinosum

middle meningeal artery

Hypoglossal canal

CN XII

Jugular foramen

CN IX, X, XI and internal jugular vein

Internal auditory meatus

CN VII, VIII

Foramen magnum

spinal roots of CN XI

Structures passing through each cavernous sinus

internal carotid artery and CN VI

Structures in lateral wall of each cavernous sinus; superior to inferior

CN III, CN IV, V1, V2

The middle meningeal artery is a branch of the

Maxillary artery

Bones that make up the pterion

frontal, parietal, greater wing of sphenoid, squamous part of temporal

Blow to pterion may rupture the anterior branch of middle meningeal artery resulting in

extradural hematoma

Subdural hematoma

Torn cerebral veins

Subarachnoid hemorrhage

Arterial circle of Willis

All cranial nerves originate within the cranial cavity except...

CN XI

Sensory only CNs?

I, II, VIII

Motor only CNs?

III, IV, VI, XI, XII

Mixed CNs?

V, VII, IX, X

Peripheral sensory ganglion for CN V?

Trigeminal

Peripheral sensory ganglion for CN VII?

Geniculate

Peripheral sensory ganglia for CN VIII?

Vestibular and Spiral

Peripheral sensory ganglia for CN IX?

Superior and Inferior

Peripheral sensory ganglia for CN X?

Superior and Inferior

CNs w/ SA?

I, II, VII, VIII, XI, X

BE for 1st arch?

BE for 2nd arch?

VII

BE for 3rd arch?

BE for 4th/6th?

Terminal motor ganglion for III

ciliary

Terminal motor ganglion for IX

otic

Terminal motor ganglia for VII

submandibular, pterygopalatine

Pharynx is anterior to the vertebral column from the base of the skull down to ...

Layers of pharyngeal wall

Mucosa, pharyngobasilar fascia, muscles, buccopharyngeal fascia

the pharyngeal raphe attaches to

pharyngeal tubercle of occipital bone

Pharyngeal wall attachment to base of skull is...

mostly pharyngobasilar fascia

Gap between base of skull and sup. constrictor

pharyngobasilar fascia, auditory tube, levator veli palatini, ascending palatine branch of facial artery

Gap between superior and middle constrictors

pharyngobasilar fascia, stylopharyngeus and IX

Gap between middle and inferior constrictors

thyrohyoid membrane, internal branch of superior laryngeal nerve and superior laryngeal vessels

Gap between inferior constrictor and esophagus

recurrent laryngeal nerve and laryngeal branch of inferior thyroid artery

GSA of nasopharynx

V2 w/ some IX

What is the entrance of the oropharynx?

the oropharyngeal isthmus demarcated by the tonsillar pillars

GSA of oropharynx

GSA of laryngopharynx

Sensory to the levels of the vocal folds in larynx and above

Internal branch of superior laryngeal nerve

Sensory below the vocal folds

Inferior laryngeal nerve