Triangles Of The Neck 2

Question 1

Submandibular Triangle Boundaries

Answer 1

Inferior margin of the mandible, posterior belly of digastric, anterior belly of the digastric

Question 2

What tendon hold the digastric muscle to the hyoid bone?

Answer 2

Fascial sling

Question 3

Muscles in the Submandibular Triangle

Answer 3

Digastric, Stylohyoid, Mylohyoid, Hypoglossus

Question 4

Contents of the Submandibular Triangle

Answer 4

Submandibular gland, submandibular lymph nodes, hypoglossal nerve, facial vein/artery

Question 5

Submental triangle boundaries

Answer 5

Anterior belly of the digastric, hyoid bone, median plan from the chin to the middle of the hyoid bone

Question 6

Carotid Triangle Boundaries

Answer 6

Superior belly of omohyoid, stylohyoid and posterior belly. Of thee digastric, anterior border of the SCM

Question 7

Contents of Carotid Triangle

Answer 7

Carotid arterial system, internal jugular vein, vagus, deep jugular lymph nodes, ansa cervicalis

Question 8

Where does the right common carotid artery branch from?

Answer 8

Brachiocephalic trunk

Question 9

Where does the left common carotid artery branch off of?

Answer 9

Aortic arch

Question 10

Carotid Body

Answer 10

Chemoreceptor: monitors oxygen level in the blood

Question 11

Carotid sinus

Answer 11

Baroreceptor: controls the BP to the brain

Question 12

External Carotid Artery Branches

Answer 12

Ascending pharyngeal, occipital artery, posterior auricular artery, superior thyroid artery, lingual artery, facial artery

Question 13

Terminal branches of the external carotid artery

Answer 13

Superficial thyroid artery, maxillary artery

Question 14

Boundaries of muscular triangle

Answer 14

Anterior border or SCM, superior belly of omohyoid with hyoid, anterior midline of the neck

Question 15

Strap muscles

Answer 15

Thyrohyoid
Omohyoid
Sternohyoid
Sternothyroid

Question 16

Muscles of the muscular triangle

Answer 16

SCM, Strap muscles, Cricothyroid

Question 17

Bones, Cartilages, and connective tissues of the muscular triangle

Answer 17

Hyoid bone, Thyroid cartilage, thyrohyoid membrane, cricoid cartilage, tracheal cartilage

Question 18

Glands in the muscular triangle

Answer 18

Thyroid glands, parathyroid glands

Question 19

Parathyroid glands

Answer 19

Posterior surface of the thyroid gland. Regulate calcium levels

Question 20

Thyroid gland

Answer 20

2 large lobes and a midline isthmus. May have a pyramidal lobe. Largest endocrine gland

Question 21

Vasculature of the thyroid gland

Answer 21

Superior thyroid artery, inferior thyroid artery, Superior/middle/inferior thyroid vein

Question 22

Nerves in the muscular triangle

Answer 22

Ansa Cervicalis. Superior laryngeal branch of vagus (internal, recurrent, and external).

Question 23

Contents of the root of the neck

Answer 23

Subclavian vein/artery, vagus nerve, phrenic nerve, sympathetic trunk

Question 24

Tributaries of Subclavian vein

Answer 24

Internal jugular vein, brachiocephalic vein, external jugular vein, inferior thyroid vein

Question 25

Venous angles

Answer 25

Left: thoracic duct
Right: right lymphatic duct

Question 26

Part 1 of subclavian artery

Answer 26

Vertebral artery, internal thoracic artery, Thyrocervical trunk

Question 27

3 branches of the thyrocervical trunk

Answer 27

Transverse cervical, Suprascapular, inferior thyroid

Question 28

Part 2 of subclavian artery

Answer 28

Costocervical trunk

Question 29

Part 3 of subclavian artery

Answer 29

Dorsal scapular artery

Question 30

Right vagus nerve

Answer 30

Passes anterior to R subclavian A, gives rise to R recurrent laryngeal nerve

Question 31

Left vagus nerve

Answer 31

Anterior to Aortic arch, gives rise to L recurrent laryngeal nerve