Chapter 32 Part One

Question 1

Brachiocephakuc artery

Answer 1

Branches off aorta on right side and goes to head

Question 2

Right common carotid artery comes off of what?

Answer 2

Brachiocephalic

Question 3

L common carotid artery comes off of what?

Answer 3

Aorta

Question 4

What does the common carotid run with?

Answer 4

The internal jugular vein and vagus nerve through the carotid sheath

Question 5

Common carotid divides at larynx (2) types:

Answer 5

External carotid

Internal carotid: skull before it branches

Question 6

What are the branches of the external carotid?

Answer 6

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

Question 7

Facial artery

Answer 7

Side of the neck deep to submandibular gland crosses lower border of mandible in front of angle of mand. (Pressure pt. for bleeding) travels across face and ends near inner corner of the eye as the angular artery

Question 8

Lingual artery

Answer 8

Branches off below facial artery and goes beneath hypoglossus muscle and ends in 3 branches: dorsal lingual/deep lingual/sublingual

Question 9

Dorsal lingual

Answer 9

Deep post. tongue

Question 10

Deep lingual

Answer 10

Deep ant. tongue

Question 11

Sublingual

Answer 11

Ventral surface of tongue and floor of the mouth

Question 12

Linguofacial trunk

Answer 12

Lingual/facial arteries come off as one trunk from external carotid and then split

Question 13

Max superficial temporal artery are terminal branches of external carotid.
-SUPPLIES: muscles of mastication/ teeth / oral and nasal cavities/ coverings of the brain.

Answer 13

MAXILLARY ARTERY

Question 14

Veins along infra-temporal fossa crosses what?

Answer 14

The lateral pterygoid muscles and enters pterygopalatine fossa (behind/below eye)

Question 15

Branches of the maxillary artery:

Answer 15

Infratemporal fossa branches

Pterygopalatine fossa branches

Question 16

What are the infratemporal fossa branches?

Answer 16

Inferior alveolar branch
Temporal branch
Massetric branch
Pterygoid branch 
Middle meningeal artery
Buccal branch

Question 17

Enters the mandible at the mandibular foramen. Supplies teeth and bone. Branches in premolar region to become mental artery and incisive artery.

Answer 17

Inferior alveolar branch

Question 18

Mental artery

Answer 18

Leaves mandible through the mental foramen. It supplies buccal gingiva, lower lip, and mucosa over teeth.

Question 19

Two branches of temporal branch??

Answer 19

Anterior deep temporal artery and posterior deep temporal artery

Question 20

Massetric branch

Answer 20

Runs through coronoid notch to masseter muscle

Question 21

Middle meningeal artery

Answer 21

Opposite (IA)

Through foramen spinosum ( major blood supply to meninges of brain)

Question 22

Buccal Branch

Answer 22

Supplies mucosa of cheeks and mucosa of max n mand post. teeth

Question 23

5 directions of the pterygopalatine fossa branches:

Answer 23

Back- nasal pharynx
Down- palate
Medial- nasal cavity
Lateral- max. tuberosity
Forward- infraorbital area

Question 24

Descending palatine artery

Answer 24

Enters hard palate via pterygopalatine canal. 2 branches : lesser/ grater palatine

Question 25

Posterior superior alveolar artery (PSA)

Answer 25

Enters via pterygomaxillary fissure. Enters bone behind 3rd max molars

Question 26

Pterygopalatine artery

Answer 26

Enters via sphenopalatine foramen
Supplies nasal cavity
Emerges from incisive foramen and joing greater palatine

Question 27

Infraorbital artery

Answer 27

Supplies upper lip, lower eyelid , end of max artery, gingiva next to ant. teeth, side of nose