Regions and Triangles

Question 1

Posterior triangle of neck

Answer 1

lateral cervical region

Question 2

boundaries of post triangle of neck

Answer 2

1. ant - SCM
2. post - trap
3. inf - clavicle

Question 3

post triangle of neck blood vessels contents

Answer 3

1. suprascapular artery,
2. subclavian artery,
3. external jugular vein,
4. subclavian vein,
5. brachiocephalic vein

Question 4

post triangle of neck nerve contents

Answer 4

1. CN 11
2. cutaneous nerves of cervical plexus

Question 5

cutaneous nerves of cervical plexus

Answer 5

1) . great auricular n.
2) . lesser occipital n.
3) . transverse cervical n.
4) . supraclavicular n.
5) . brachial plexus

Question 6

Anterior triangle boundaries

Answer 6

1. ant - median line of neck
2. post - SCM
3. sup - mandible

Question 7

sub-divisions of anterior triangle

Answer 7

1. submental triangle
2. submandibular triangle
3. carotid triangle
4. muscular triangle

Question 8

submental triangle boundaries

Answer 8

1) . inf - body of hyoid
2) . right lat - right ant belly of digastric muscle
3) . left lat - left ant belly of digastric muscle

Question 9

submental triangle contents

Answer 9

lymph nodes and small veins

Question 10

floor of submental triangle

Answer 10

mylohyoid, expect to find CN V3 here

Question 11

submandibular triangle boundaries

Answer 11

1) . sup - inferior border of mandible
2) . ant - ant belly of digastric
3) . posterior - post belly of digastric and stylohyoid

Question 12

submandibular triangle contents

Answer 12

1. submandibular salivary gland,
2. CN 12,
3. CN 5 branch,
4. branches of external carotid to face,
5. facial artery and vein,
6. submental artery

Question 13

carotid triangle boundaries

Answer 13

1) . sup - post belly digastric along w/stylohyoid
2) . inf med - sup belly of omohyoid
3) . inf lat - SCM

Question 14

contents of carotid triangle

Answer 14

1. pulse site,
2. thyroid,
3. common cartoid branching to in/ex carotid,
4. carotid body,
5. internal jugular vein and branches,
6. CN 11,
7. CN 12,
8. ansa cervicalis,
9. CN 10,
10. sympathetic plexus

Question 15

branches of external carotid

Answer 15

1. ascending pharyngeal artery,
2. occipital artery,
3. facial artery,
4. superior thyroid artery

Question 16

muscular triangle boundaries

Answer 16

1) . med - medial plane of neck
2) . sup lat - sup belly of omohyoid
3) . inf lat - SCM

Question 17

Muscular triangle contents

Answer 17

1. thyroid gland,
2. parathyroid glands,
3. larynx,
4. trachea,
5. esophagus,
6. ant jugular vein,
7. communicating veins,
8. recurrent laryngeal nerve

Question 18

what fascia compartment is located in the muscular triangle?

Answer 18

peritracheal

Question 19

which subdivision of the anterior triangle is not paired?

Answer 19

submental triangle

Question 20

which subdivisions of the anterior triangle are paired?

Answer 20

1) . Submandibular
2) . Carotid
3) . Muscular