Superficial Triangle And Cervical Viscera - Stephens 3/21

Question 1

What branches off at the level of the greater Cornu of the hyoid bone?

Answer 1

Facial a.
Lingual a.
Occipital a.

Question 2

What forms the External jugular vein (EJV)?

Where does it enter?

Answer 2

Posterior auricular and retromandibular veins

Posterior triangle deep to the platysma

Question 3

Where are branchial fistulas remnants from?

What course do they follow?

Answer 3

1st pouch - Eustachian tube

SCM muscle

Question 4

What is located in the longitudinal vertical groove between the esophagus and trachea?

Answer 4

Recurrent laryngeal nerve

Question 5

What divides the subclavian artery?

Into what parts?

Answer 5

Anterior scalene muscle

1st- medial
2nd- deep
3rd- lateral

Question 6

What structures run with/over the anterior scalene muscle?

Answer 6

Phrenic n. Over top it

Suprascapular and transverse cervical artery “hold” it down

Question 7

What is contained within the carotid triangle?

Answer 7

IJV
Ansa cervicalis
CN 9, 10, 12

Question 8

What are the suprahyoid muscles?

Answer 8

Stylohyoid
Hypoglossus
Mylohyoid
Geniohyoid
Digastric

Sluts Hate Miller Genuine Draft

Question 9

What drains the submandibular gland?

Where does this empty into?

Answer 9

Submandibular duct (Wharton’s duct)

Floor of the mouth at the apex of the sublingual caruncle

Question 10

What nerve spirals around Wharton’s duct Superi-lateral to Infero-medially??

Answer 10

Lingual nerve

Question 11

Where do submandibular gland Preganglionic PS fibers come from?

What do they exit the brainstem with?

What do they travel through?
With what?

Where do they terminate?

Answer 11

Superior salivatory nucleus

Facial nerve

Chorda tympani
Lingual nerve

Submandibular ganglion

Question 12

Where do postganglionic sympathetic fibers originate from?

How do they reach the submandibular gland And sublingual glands?

Answer 12

Superior cervical ganglion

By coursing external carotid and facial plexus

Question 13

What is located just behind the 3rd molar between the medial pterygoid and the mandible?

Answer 13

Lingual nerve

Question 14

What is attached to the lingual nerve slightly anterior to the posterior border of the mylohyoid?

Answer 14

Submandibular ganglion

Question 15

Thyroglossal cysts are embryological remnants of what?

Answer 15

Thyroglossal duct

Question 16

Where does the inferior thyroid artery arise from?

Answer 16

Thyrocervical trunk

Question 17

Where does the superior thyroid artery arise from?

Answer 17

Common or external carotids

Question 18

Where do the superior and middle thyroid veins drain to?

Inferior thyroid vein?

Answer 18

IJV

Brachiocephalic vein

Question 19

What primarily supplies the parathyroid glands?

Answer 19

Inferior thyroid artery

Question 20

Where does the trachea extend from?

Where does the thyroid isthmus cross the anterior surface?

Answer 20

C6-T2

Rings 2-4

Question 21

_____ requires an extensive surgical procedure to open a long-term airway through tracheal rings 2-4 usually for a ventilator.

Answer 21

Tracheostomy

Question 22

_______ is an emergency airway that is cut through tracheal rings 2-4

Answer 22

Tracheotomy

Question 23

_______ establishes an emergency airway by cutting through the cricothyroid membrane

What has this replaced?

Answer 23

Cricothyrotomy

Tracheotomy

Question 24

Penetrating wounds to the base of the neck may result in what?

Answer 24

Pneumothroax

Question 25

What kind of fibers does the lingual nerve contain?

Distribute to where?

Answer 25

GSA

Anterior 2/3’s of tongue

Question 26

What are the 3 key landmarks of the neck?

Answer 26

6th cervical vertebra
Greater Cornu of the hyoid bone
Anterior scalene muscle