Week 1 RS

Question 1

what is the cervical region divided into?

Answer 1

three triangles:
median anterior triangle
two posterior triangles, one on each side

Question 2

what is the median anterior triangle divided into?

Answer 2

two triangles along the

mid- line

Question 3

what are the borders of the anterior triangle?

Answer 3

the anterior border of the sternocleidomastoid muscle 
the inferior border of the mandible 
the mid-line of the neck

Question 4

what are the the suprahyoid muscles attrached tot the hyoid bone?

Answer 4

GDSM
geniohyoid 
digastric 
stylohyoid 
mylohyoid

Question 5

what are the the infrahyoid muscles attrached tot the hyoid bone?

Answer 5

TOSS
Thyrohyroid
Omohyroid
Sternothyroid
Sternohyroid

Question 6

smaller triangles of the anterior hyroid

Answer 6

carotid
digastric/sub mandibular
sub mental
muscular

Question 7

carotid triangle borders

Answer 7

bounded by the sternocleidomastoid, posterior belly of

digastric and superior belly of omohyoid

Question 8

digastric/sub mandibular triangle borders

Answer 8

bounded by the mandible and the

anterior and posterior bellies of the digastric muscle

Question 9

sub mental triangle borders

Answer 9

the submental triangle: bounded by the anterior bellies of the digastric and
the body of the hyoid bone

Question 10

muscular triangle borders

Answer 10

bounded by the sternocleidomastoid, superior belly of

omohyoid and the midline

Question 11

neurovascular contents of the carotid sheaths

Answer 11

common carotid artery, internal jugular vein and vagus nerve

Question 12

in which triangle are the carotid sheathes found in

Answer 12

the anterior triangle

Question 13

other important contents of the anterior triangle

Answer 13

thyroid and
parathyroid glands, the mylohyoid, recurrent laryngeal, superior laryngeal and hypoglossal
nerves, branches of the external carotid artery, and the submandibular salivary gland.

Question 14

borders of the posterior triangle

Answer 14

bounded anteriorly by the posterior border of the
sternocleidomastoid, posteriorly by the anterior border of the trapezius, and inferiorly by the
middle third of the clavicle.The roof (most superficial boundary) of the posterior triangle is
formed by cervical investing fascia.

Question 15

major contents of the posterior triangle

Answer 15

the spinal accessory nerve
the inferior belly of the omohyoid muscle
the branches of the cervical plexus

Question 16

what forms the floor of the posterior triangle

Answer 16

the splenius capitis, levator scapulae, and the scalene muscles (scalenus
posterior, medius and anterior