Anterior Triangle Of The Neck

Question 1

What seperates the neck into anterior and posterior triangles

Answer 1

Sternocleidomastoid muscle

Question 2

Boundaries of the anterior triangle of the neck
Anterior
Posterior
Base 
Roof
Apex

Answer 2

A: anterior midline of the neck 
P:anterior border of SCM
B:mandible,and a line from gonion to mastoid 
R:deep cervical fascia
A:supraclavicular notch

Question 3

Above the roof of the anterior triangle of the neck is?

Answer 3

Superficial fascia which includes platysma, cervical branch of facial nerve, ascending and descending branches of cervical cutaneous nerve

Question 4

List the suprahyoid muscles

Answer 4

Digastric muscle
Mylohyoid muscle
Stylohyoid muscle
Geniohyoid muscle

Question 5

List the infrahyoid muscle

Answer 5

Thyrohyoid muscle
Omohyoid muscle
Sternohyoid muscle
Sternothyroid muscle

Question 6

Anterior triangle of the neck is divided into subdivisions by ———

List the subdivisions

Answer 6

Digastric muscle and superior belly of omohyoid muscle

Cardiac triangle
Submental triangle
Gastric/submandibular triangle
Muscular triangle

Question 7

Origin and insertion of:
Anterior belly of digastric
Posterior belly of digastric

Answer 7

From mandible to hyoid bone

From mastoid to hyoid bone

Meet at intermediate tendon held by a sling to hyoid bone

Question 8

Origin and insertion of:

Superior belly of omohyoid
Inferior belly of omohyoid

Answer 8

From intermediate tendon to hyoid bone

From scapula to intermediate tendon

Intermediate tendon is held by sling to clavicle

Question 9

Hyoid bone is held like a swing by?

And located —-

Answer 9

Stylohyoid ligaments

Under the mandible at C3

Question 10

Most inferiorly located triangle of the anterior triangle of the neck

Answer 10

Muscular triangle

Question 11

The dubious triangle of the anterior triangle of the neck is

And why?

Answer 11

Muscular triangle

It has 4 sides , not 3

Question 12

Borders of muscular triangle

Medially
Superolaterally
Inferiolaterally
Superiorly

Answer 12

Midline of the neck
Superior belly of omohyoid
Inferior portion of SCM
HYOID bone

Question 13

Contents of the muscular triangle

Answer 13

Pharynx, infrahyoid muscles, thyroid, parathyroid

Question 14

Why is submandibular triangle called digastric triangle

Answer 14

Because it’s made up of mostly digastric muscles

Question 15

Borders of digastric triangle

Anteriorly
Posteriorly
Superiorly

Answer 15

Anterior belly of digastric muscle
Posterior belly of digastric muscle
Body of mandible

Question 16

Contents of digastric triangle

Answer 16

Submandibular gland, facial artery and vein, lymph nodes

Question 17

Common site for swellings in the anterior triangle of the neck

Answer 17

Digastric triangle

Question 18

Boundaries of the submental triangle

Inferiorly
Medially 
Laterally 
Floor
Apex

Answer 18

Hyoid bone

Midline of the neck

Anterior belly of digastric muscle

Mylohyoid muscle

Symphysis menti

Question 19

Contents of the submental triangle

Answer 19

Submental veins, submental lymph nodes, beginning of anterior jugular vein

Question 20

Borders of the carotid triangle

Superior
Inferior
Lateral

Answer 20

Posterior belly of digastric muscle

Superior belly of omohyoid muscle

Medial border of SCM

Question 21

Contents of carotid triangle

Answer 21

Common carotid artery 
Internal carotid artery 
External carotid artery 
Internal jugular vein 
Vagus nerve
Hypoglossal nerve 
Spinal accessory nerve

Question 22

Which muscle forms part of the bed of carotid triangle

Answer 22

Thyrohyoid muscle

Question 23

What is a syncope

Answer 23

Loss of consciousness

Question 24

List the cranial nerves in the Anter triangle of the neck

Answer 24

7,9,10,11,12

Question 25

Which nerve does the digastric triangle transmit?

Answer 25

Hypoglossal nerve