Neck and Cervical Viscera

Question 0

Where is the brachial plexus located?

Anterior or posterior triangle?

Answer 0

Posterior

Question 1

Which major cranial nerve that has only motor functions can be found in the posterior triangle of the neck?

Which muscles does it innervate?

Answer 1

CN XI - Spinal Accessory Nerve

It innervates the SCM and the trapezius

Question 2

Where is the carotid arteries located?

Anterior or posterior triangle?

Answer 2

Anterior

Question 3

Where is the internal jugular vein located?

Anterior or posterior triangle?

Answer 3

Anterior

Question 4

Where is the hyoid bone located?

Anterior or posterior triangle?

Answer 4

Anterior

Question 5

Where is the scalene muscles located?

Anterior or posterior triangle?

Answer 5

Posterior

Question 6

Suprahyoid or Infrahyoid

Mylohoid?

Answer 6

Suprahyoid

Question 7

Suprahyoid or Infrahyoid

Geniohyoid?

Answer 7

Suprahyoid

Question 8

Suprahyoid or Infrahyoid

Stylohyoid

Answer 8

Suprahyoid

Question 9

Suprahyoid or Infrahyoid

Digastric?

Answer 9

Suprahyoid

Question 10

Suprahyoid or Infrahyoid

Omohyoid?

Answer 10

Infrahyoid

Question 11

Suprahyoid or Infrahyoid

Sternohyoid?

Answer 11

Infrahyoid

Question 12

Suprahyoid or Infrahyoid

Sternothyroid?

Answer 12

Infrahyoid

Question 13

Suprahyoid or Infrahyoid

Thyrohyoid?

Answer 13

Infrahyoid

Question 14

Which vascular structure in the anterior neck functions as a baroreceptor?

Answer 14

the carotid sinus

Question 15

Which structure in the anterior neck functions as a chemoreceptor?

Answer 15

the carotid body

Question 16

Which nerve runs down the anterior border of the anterior scalene muscle?

Answer 16

the phrenic nerve

Question 17

What are the 3 major components found within the carotid sheath?

Answer 17

1. carotid artery
2. internal jugular vein
3. vagus nerve (CN X)

Question 18

What are the 2 major thyroid arteries and from where do they arise?

Answer 18

1. The superior thyroid artery from the external carotid

2. The inferior thyroid artery from the thyrocervical trunk off the subclavian

Question 19

The isthmus of the thyroid gland usually lies immediately anterior to what structure?

Answer 19

The proximal trachea, just slightly below the cricoid cartilage anterior to the second and third tracheal rings

Question 20

What percentage of people have a pyramidal lobe found on the thyroid gland?

Answer 20

About 50%

Question 21

Which nerve is typically endangered during surgical removal or dissection of the thyroid gland?

Answer 21

The recurrent laryngeal nerve

Question 22

What are the common names for the first and second cervical vertebrae?

Answer 22

C1 atlas

C2 axis

Question 23

What artery travels through the foramina of the transverse processes of the cervical vertebrae?

Answer 23

the vertebral artery

Question 24

Damage to what structure in the neck will produce Horner’s syndrome?

Answer 24

sympathetic nerves or sympathetic chain

Question 25

What is the name of the functionally and clinically important potential space between the prevertebral fascia and the buccopharyngeal fascia (behind the pharynx)?

Answer 25

the retropharyngeal space

Question 26

Thoracic outlet syndrome refers to compression of the __________ __________ and/or ___________ ___________.

Answer 26

brachial plexus and/or subclavian artery