Arteries of the Head and Neck

Question 1

Aortic arch gives rise to the ________________ trunk, ___________ ___________ artery, and ___________ ________________ artery

Answer 1

brachiocephalic trunk
left common carotid
left subclavian

Question 2

What does the brachiocephalic trunk supply?

Answer 2

right side of head, neck, and upper limb

Question 3

what does the left common carotid artery supply?

Answer 3

left side of head and neck

Question 4

what does the left subclavian artery supply?

Answer 4

left upper limb

Question 5

The brachiocephalic trunk gives rise to the ______ ________ and _______ ___________ arteries

Answer 5

right subclavian
right common carotid

Question 6

what does the right subclavian artery supply?

Answer 6

right upper limb

Question 7

what does the right common carotid supply?

Answer 7

right side of head and neck

Question 8

Where are the common carotid arteries located?

Answer 8

in carotid sheath along with the internal jugular vein and CN XI

Question 9

Where do the common carotid arteries divide?

Answer 9

level of the superior border of the larynx

Question 10

the common carotid arteries divide at the level of the ____________ border of the larynx into _____________ and __________ __________ arteries

Answer 10

superior
external and internal carotid arteries

Question 11

what do the external carotid arteries supply?

Answer 11

structures of the external head and neck

Question 12

what do the internal carotid arteries supply?

Answer 12

cerebrum and orbits

Question 13

What are the branches of the external carotid artery?

Answer 13

superficial temporal A.
facial A.
Maxillary A
Middle Meningeal A
Lingual A.
Ascending Pharyngeal A.

Question 14

what do the branches of the external carotid artery supply?

Answer 14

scalp and face

Question 15

What does the superior thyroid artery supply?

Answer 15

infrahyoid muscles, portions of the thyroid gland and larynx

Question 16

What does the superior thyroid artery supply do to the thyroid gland?

Answer 16

stimulates the thyroid via hormones in the blood to produce T3 and T4

Question 17

The internal carotid artery enters the skull via ______________

Answer 17

the carotid canal

Question 18

What does the internal carotid artery supply?

Answer 18

2/3 of the cerebrum

Question 19

What is the first major branch of the internal carotid arteries?

Answer 19

opthalamic A.

Question 20

What passes through the carotid triangle?

Answer 20

common, internal, and external carotid arteries

Question 21

WHat are the branches of the internal carotid artery?

Answer 21

opthalamic artery
anterior cerebral artery
middle cerebral artery

Question 22

what does the opthalamic artery supply?

Answer 22

eye and orbital structures

Question 23

what does the middle cerebral artery supply?

Answer 23

huge chunk of the anterior cerebrum

Question 24

what does the anterior cerebral artery supply?

Answer 24

huge chunk of medial cerebrum

Question 25

what is the function of the circle of willis?

Answer 25

allows blood to pass even if one major artery is blocked

Question 26

what makes up the circle of willis?

Answer 26

Anterior cerebral A. Middle Cerebral A. Posterior Cerebral A. Internal Carotid A. Anterior Communicating A. Posterior communicating A.

Question 27

What connects the anterior cerebral arteries?

Answer 27

anterior communicating A.

Question 28

Each subclavian artery gives rise to the __________ artery, ____________ trunk, and ____________ trunk

Answer 28

vertebral artery thyrocervical trunk costocervical trunk

Question 29

Describe the path of the vertebral arteries

Answer 29

Enter C6 through the transverse foramina, heads superior, enters skull via the foramen magnum

Question 30

what does the thyrocervical trunk supply?

Answer 30

parathyroid glands portions of thyroid gland, pharynx, larynx, trachea, and brachial plexus

Question 31

what does the costocervical trunk supply?

Answer 31

muscles of the neck superior 2 intercostal spaces

Question 32

what do the vertebral arteries supply?

Answer 32

cervical vertebrae and spinal cord

Question 33

The vertebral arteries anastomose to form the __________ artery which then gives rise to the __________ ________ arteries

Answer 33

basilar posterior cerebral A.

Question 34

what does the basilar artery supply?

Answer 34

brainstem and cerebellum

Question 35

what does the posterior cerebral artery supply?

Answer 35

posterior cerebrum

Question 36

the Posterior Cerebral arteries give rise to _____ ________ arteries that anastomose with ______ ___________ arteries forming the circle of Willis

Answer 36

Posterior communicating A. Internal Carotid A.

Question 37

what does the circle of willis surround?

Answer 37

pituitary gland and optic chiasma