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mosby > Circulatory > Flashcards

Circulatory Flashcards

1
Q

Important divisions of subclavian artery

A

vertebral a.
internal thoracic a.
thyrocervical a.
costocervical a.
dorsal scapular a.

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2
Q

supplies the intercostal space

A

costocervical trunk (superior intercostals and deep cervical arteries)

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3
Q

thyrocervical/cervicothyroid trunk divisions

A

transverse cervical a.
suprascapular a.
inferior thyroid a.

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4
Q

supplies the abdominal wall

A

superior epigastric artery (termination of internal thoracic artery)

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5
Q

components of the carotid sheath

A

internal carotid artery
internal jugular vein
vagus nerve (X)

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6
Q

located at the bifurcation of internal and external common carotid artery that help monitor systemic blood pressure

A

carotid sinus baroreceptors innervated by the glossopharyngeal nerve (IX)

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7
Q

major supply for the brain and its branches

A

internal carotid artery
* anterior and middle cerebral arteries: anastamose with anterior and *posterior communicating arteries = circle of willis (communicates with vertebral a. via basilar and posterior cerebral a.)
* ophthalmic artery

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8
Q

supplies the orbital area and lacrimal gland

A

ophthalmic artery

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9
Q

most common location of berry aneurysm

A

anterior communicating and anterior cerebral artery

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10
Q

most common location of stroke

A

middle cerebral artery

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11
Q

Major branches of external carotid artery (7)

A

maxillary artery
posterior auricular artery
facial artery
lingual artery
occipital artery
superior thyroid artery
ascending pharyngeal artery

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12
Q

branches of the superior thyroid artery and what they supply (4)

A

infrahyoid artery - infrahyoid mucle
superior laryngeal artery - muscles of the larynx
sternocleidomastoid artery - SCM muscle
cricothyroid artery - thyroid gland

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13
Q

ascending pharyngeal artery supplies the…

A

pharynx, soft palate, and meninges

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14
Q

Branches of the lingual artery and what they supply

A

suprahyoid artery - suprahyoid muscle
deep lingual artery - tongue
dorsal lingual artery - tongue, soft palate, tonsils
sublingual artery - floor of the mouth, mylohyoid muscle, and sublingual gland

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15
Q

supplies the tongue

A

deep lingual artery, dorsal lingual artery

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16
Q

supplies the soft palate

A

dorsal lingual artery (lingual), ascending pharyngeal artery, ascending palatine artery (facial), lesser palatine artery (maxillary)

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17
Q

supplies the thyroid gland

A

cricothyroid artery (superior thyroid a)

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18
Q

supplies the mylohyoid muscle

A

sublingual artery (lingual), submental artery (facial), mylohyoid artery (mandibular division of maxillar artery)

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19
Q

supplies the tonsils

A

dorsal lingual artery (lingual), tonsillar artery (facial), ascending palatine artery (facial), lesser palatine artery (maxillary)

20
Q

supplies the lips

A

inferior labial and superior labial artery (facial)

21
Q

supplies the submandibular gland

A

glandular artery (facial), submental artery (facial)

22
Q

supplies the eyelids

A

angular artery (facial)

23
Q

supplies the nose

A

lateral nasal artery (facial), angular artery (facial)

24
Q

fossa where maxillary artery divides

A

infratemporal and pterygopaplatine fossa

25
Q

divisions of the maxillary artery

A

mandibular, pterygoid, pterygopalatine

26
Q

supplies the tympanic membrane

A

deep auricular artery and anterior tympanic artery (mandibular division of maxillary artery)

27
Q

supplies the mandibular posterior teeth and surrounding tissues

A

inferior alveolar artery

28
Q

supplies the anterior teeth and surrounding tissues

A

incisive artery (mandibular division of maxillary artery)

29
Q

supplies the chin, and lower lip

A

mental artery (mandibular division of maxillary artery)

30
Q

supplies the meninges of the brain, dura of bones in the skull

A

middle meningeal artery (mandi division of maxillary artery) thru the foramen spinosum

31
Q

supply the temporalis muscles

A

deep temporal arteries (pterygoid div of maxillary artery)

32
Q

supplies the pterygoid muscles

A

pterygoid arteries (pterygoid div of maxillary artery)

33
Q

supplies the masseter

A

masseteric artery (pterygoid div of maxillary artery)

34
Q

supplies the buccinator and buccal mucosa

A

buccal artery (pterygoid div of maxillary artery)

35
Q

supplies maxillary posterior teeth, maxillary sinus

A

posterior superior alveolar artery (pterygopalatine div of maxillary artery)

36
Q

supplies the maxillary anterior teeth, orbital area, and lacrimal gland

A

infraorbital artery (pterygopalatine div of maxillary artery)

37
Q

supplies the nasal cavity, source of SERIOUS posterior nosebleeds

A

sphenopalatine artery (pterygopalatine div of maxillary artery)

38
Q

supplies the hard palate, lingual gingiva of maxillary posterior teeth

A

greater palatine artery (pterygopalatine div of maxillary artery)

39
Q

supplies soft palate and tonsils

A

lesser palatine artery (pterygopalatine div of maxillary artery)

40
Q

venous drainage of brain

A

superior sagittal sinus and inferior sagittal sinus –> confluence of sinuses –> occipital sinus –> transverse sinus –> sigmoid sinus –> internal jugular vein

41
Q

drainage of cerebral spinal fluid

A

reabsorption into the superior sagittal sinus

42
Q

drains tissues of the orbit

A

superior and inferior ophthalmic veins

43
Q

dental significance of facial vein in relation to the cavernous sinus

A

facial vein has no valves to maintain the direction of blood flow and since it communicates with the cavernous sinus via the deep facial vein and superior ophthalmic vein, infection from facial vein can travel to cavernous sinus –> cavernous sinus thrombosis

44
Q

forms the common facial vein

A

facial vein and anteriro retromandibular vein

45
Q

drains deoxygenated blood from deep facial tissues, intraoral cavity and the meninges

A

pterygoid plexus –> maxillary vein –> retromandibular vein

46
Q

structures running through cavernous sinus

A

CN III, IV, V1, V2, VI, internal carotid artery

mosby (1 decks)

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