Blood vessels, Nerves, and Viscera of the Neck

Question 1

Where does the left common carotid take origin?

Answer 1

Aortic arch

Question 2

Where does the right common carotid take origin?

Answer 2

Brachiocephalic trunk

Question 3

What is a dilated portion of the common carotid artery that contains numerous nerve endings (mainly glossopharyngeal)?

Answer 3

Carotid sinus

Question 4

Highly vascular epithelial structure located at carotid bifurcation.

Answer 4

Carotid Body
Important sensory (chemoreceptors)

Question 5

Anterior branches of external carotid?

Answer 5

Superior thyroid
Lingual
Facial

Question 6

Posterior branches of external carotid?

Answer 6

occipital and posterior auricular arteries

Question 7

Medial branch of the external carotid?

Answer 7

Ascending pharyngeal

Question 8

Terminal branches of external carotid?

Answer 8

superficial temporal and maxillary arteries

Question 9

What artery runs through the infratemporal fossa, and terminates in pterygopalatine fossa?

Answer 9

Maxillary artery

Question 10

What vein receives most of the venous drainage of the head and neck?

Answer 10

Internal jugular vein

Question 11

What does the internal jugular vein drain into?

Answer 11

Brachiocephalic

Question 12

Where does the internal jugular vein start? A bone opening…

Answer 12

jugular foramen

Question 13

The subclavian is divided into __ parts which is divide by what muscle?

Answer 13

3 parts

scalene anterior muscle

Question 14

Branches of 1st part of subclavian artery?

Answer 14

vertebral artery
Thyrocervical trunk
Internal thoracic

Question 15

Branches of 2nd part of subclavian artery?

Answer 15

costocervical trunk

Question 16

Branch of 3rd part of subclavian artery?

Answer 16

dorsal scapular 
(30% of time it is it is off of transverse cervical)

Question 17

What is the 3rd part of vertebral artery that makes the 90 degree bend near the atlas vertebrae?

Answer 17

Atlantic part

Question 18

What is the hole in the cranial cavity for the 4th part of the vertebral artery?

Answer 18

Foramen magnum

Question 19

When is the superficial cervical artery called the transverse cervical artery?

Answer 19

30% of the time when the Dorsal scapular artery comes off of it

Question 20

Once axillary vein crosses over 1st rib it changes names to what?

Answer 20

subclavian vein

Question 21

True/False: Vagus nerve contains motor and sensory fibers.

Answer 21

True!

Question 22

Vagus nerve descends in the neck within the _______ sheath.

Answer 22

Carotid

Question 23

What are the two ganglions of the vagus nerve?

Answer 23

Superior ganglion: smaller

Inferior ganglion: larger

Question 24

Why is the accessory nerve weird compared to all other cranial nerves?

Answer 24

It originates from spinal cord not in the brain…

Question 25

What innervation is accessory nerve?

Answer 25

motor nerve (cranial nerve 11)

Question 26

What innervation is hypoglossal nerve?

Answer 26

Motor nerve fibers to muscles of the tongue. (cranial nerve 12)

Question 27

What two nerves does the hypoglossal nerve terminate into?

Answer 27

supplies branches of intrinsic and extrinsic muscles of the tongue

Question 28

True/False: The cervical part of the sympathetic trunk receives white communicating rami.

Answer 28

False, receives only gray rami

Question 29

What are the 3 ganglia of the cervical part of the sympathetic trunk?

Answer 29

Superior Middle Inferior cervical ganglia

Question 30

True/False: Superior cervical ganglion is small.

Answer 30

False, looks like a pontoon float

Question 31

Middle cervical ganglion is the _______ and most variable of the cervical ganglia.

Answer 31

smallest