8 Branches of the External Carotid

Question 0

What muscles are supplied by the Superior Thyroid artery and its four branches?

Answer 0

Hyoid muscles
Sternocliedomastoid muscles
Larynx

Question 1

The infrahyoid artery, sternocliedomastoid artery, superior laryngeal artery, and circothyroid artery are branches of what branch of the external carotid artery?

Answer 1

Superior Thyroid Artery

Question 2

Name the smallest branch of the external carotid arteries.

Answer 2

Ascending pharyngeal artery

Question 3

What structures are supplied by the ascending pharyngeal artery?

Answer 3

Pharyngeal walls
Soft Palate
Meninges of the Brain

Question 4

What are the 2 branches of the Lingual artery that are important to our studies?

Answer 4

Sublingual

Deep Lingual

Question 5

How many branches of the Lingual artery are there total? (Hint:we only need to know 2)

Answer 5

Four

Question 6

What structures does the lingual artery supply?

Answer 6

Suprahyoid Muscles

Floor of the mouth and tongue

Question 7

What structures are supplied by the sublingual artery?

Answer 7

Sublingual salivary gland
Mylohyoid
Mucous Membranes
Lingual gingiva

Question 8

What structures are supplied by the deep lingual artery?

Answer 8

Tongue muscles

Question 9

What are the 5 main branches of the Facial Artery?

Hint: ASISA

Answer 9

Ascending Palatine
Submental
Inferior Labial
Superior Labial Artery
Angular

Question 10

What is the terminal branch of the facial artery?

Answer 10

Angular artery

Question 11

What structures are supplied by the ascending palatine of the facial artery?

Answer 11

Soft palate
Palatine Muscles
Tonsils

Question 12

What structures are supplied by the submental artery of the facial artery?

Answer 12

Submandibular salivary gland
Lymph nodes
Mylohyoid muscles
Digastric muscles

Question 13

What structures are supplied by the Inferior Labial artery of the facial arteries?

Answer 13

Lower Lip
Depressor muscles of facial expressions…
Mentalis
Depressor anguli oris

Question 14

What structures are supplied by the Superior labial artery of the facial arteries?

Answer 14

Upper lip

Question 15

What structures are supplied by the Angular artery of the facial arteries?

Answer 15

Tissues lateral to the nose.

Question 16

Where is the occipital artery found?

Answer 16

Posterior and Superior to the ascending ramus of the mandible.

Question 17

What structures are supplied by the Occipital Artery?

Answer 17

Posterior Scalp
Suprahyoid muscles
Sternocliedomastoid muscles
Meninges

Question 18

What is the 3rd most superior branch of the external carotid arteries?

Answer 18

Posterior Auricular

Question 19

What structure(s) are supplied by the Posterior Auricular Artery?

Answer 19

Internal portion of the ear

Question 20

What two functions is the internal portion of the ear responsible for?

Answer 20

Balance

Sense of hearing

Question 21

What branch of the external carotid artery sometimes looks like a bulge on the side of the face in the temporal region?

Answer 21

Superficial Temporal Artery

Question 22

What structures do the superficial temporal artery supply?

Answer 22

Parotid gland
Temporalis muscle
Frontal and Parietal Scalp

Question 23

Which of the 8 external carotid branches is the largest terminal branch?

Answer 23

Maxillary Artery

Question 24

What structures does the Maxillary artery supply?

Answer 24

Muscles of Mastication | Oral and Nasal Cavities

Question 25

What are the two regions of the Maxillary artery?

Answer 25

Infratemporal (TYPICALLY run inferior) Pterygopalatine (TYPICALLY run superior)

Question 26

What are the branches of the Maxillary Artery that are in the infratemporal region? (Hint: May I Make More Intelligent Decisions Please Ms. Becky)

Answer 26

``` Middle Meningeal Inferior Alveolar Mylohyoid Mental Incisive Deep Temporal Pterygoid branches Medial pterygoid Lateral pterygoid Masseteric Buccal ```

Question 27

Which branch of the Maxillary artery sits underneath the pterion?

Answer 27

Middle meningeal

Question 28

What is the pterion?

Answer 28

The weakest point of the skull where the sphenoid, temporal, and parietal bones meet.

Question 29

What does the middle meningeal artery of the maxillary arteries supply?

Answer 29

meninges

Question 30

What does the Inferior Alveolar artery of the maxillary artery supply?

Answer 30

Posterior molars of the mandible (#30, #31, #32)

Question 31

What two arteries branch from the Inferior Alveolar artery of the maxillary arteries?

Answer 31

Incisive | Mental

Question 32

What does the Mylohyoid Artery of the maxillary arteries supply?

Answer 32

Floor of the Mouth | Mylohyoid Muscles

Question 33

What does the Mental Artery of the Inferior Alveolar artery supply?

Answer 33

Tissues of the Chin

Question 34

What does the Incisive Artery of the Inferior Alveolar artery supply?

Answer 34

Mandibular premolars and anterior teeth.

Question 35

What does the Deep Temporal artery of the maxillary artery supply?

Answer 35

Temporalis Muscle

Question 36

What does the pterygoid branches of the maxillary artery supply?

Answer 36

Medial and Lateral Pterygoid muscles.

Question 37

What does the Masseteric artery of the maxillary artery supply?

Answer 37

Masseter Muscle

Question 38

What does the Buccal artery of the Maxillary Artery supply?

Answer 38

Buccinator (accessory muscle of mastication)

Question 39

What branches of the Maxillary Artery are in the Pterygopalatine region?

Answer 39

``` Posterior Superior Alveolar Infraorbital Anterior Superior Alveolar Descending Palatine Greater Palatine Lesser Palatine Sphenopalatine ```

Question 40

What structures does the posterior superior alveolar artery of the maxillary artery supply?

Answer 40

Maxillary molar&pre-molars | Maxillary sinus

Question 41

What structures are supplied by the Infraorbital artery of the maxillary artery?

Answer 41

Upper lip | Lower eyelid

Question 42

What branches off from the infraobital artery?

Answer 42

Anterior Superior Alveolar

Question 43

What structures are supplied by the Anterior Superior Alveolar artery of the Infraorbital artery?

Answer 43

Maxillary Anterior teeth (Canines & Incisors)

Question 44

What two arteries are created by the Descending Palatine artery?

Answer 44

Greater Palatine | Lesser Palatine

Question 45

What structures are supplied by the Greater Palatine of the descending palatine artery?

Answer 45

Hard Palate | 1st quadrant of palatal gingiva

Question 46

What structures are supplied by the Lesser Palatine of the descending palatine artery?

Answer 46

Soft Palate | Soft tissue posterior to its foramen

Question 47

What is the terminal branch of the Maxillary Artery?

Answer 47

Sphenopalatine

Question 48

Which artery of the maxillary arteries is responsible for MAJOR nose bleeds?

Answer 48

Sphenopalatine

Question 49

Posterior superior alveolar and Anterior superior alveolar are examples of what pathway?

Answer 49

"Dental" Arterial Anastomoses

Question 50

What artery joins with the Greater Palatine artery to create a Dental Arterial Anastomosis?

Answer 50

Sphenopalatine

Question 51

What is the difference between the arterial circulation pattern between the maxilla and mandible?

Answer 51

The maxilla is essentially double wired! There are no redundancies in the mandible.

Question 52

Meninges are supplied by 4 different arteries, what are they?

Answer 52

Internal Carotid Ascending Pharyngeal Occipital Middle Meningeal

Question 53

The Mylohyoid is supplied by 4 arteries, what are they?

Answer 53

Ligual Artery Submental Artery of the Facial Artery Occipital Artery Mylohyoid artery

Question 54

The floor of the mouth is supplied by what two arteries?

Answer 54

Lingual artery | Mylohyoid

Question 55

The sternocliedomastoid is supplied by what two arteries?

Answer 55

Occipital | Superior thyroid

Question 56

The suprahyoid muscles are supplied by what two arteries?

Answer 56

Occipital artery | Lingual

Question 57

The Soft palate is supplied by what three arteries?

Answer 57

Ascending pharyngeal Ascending palatine of the facial artery Lesser palatine of the descending palataine artery