Anatomy

Question 1

Thyroid sits in front of what cartilage rings?

Answer 1

2nd and 3rd

Question 2

Investing (deep) fascia

Answer 2

Deep to superficial fascia
Encloses all other compartments
Encloses trapezius and SCM

Question 3

Prevertebral (deep) fascia

Answer 3

Deep to investing fascia

Encloses cervical vertebrae and postural neck muscles

Question 4

Carotid sheaths

Answer 4

Deep to investing fascia

Enclose IJVs, carotid arteries, vagus nerves, deep cervical nodes

Question 5

Pretracheal (deep) fascia)

Answer 5

Deep to investing fascia

Encloses straps, thyroid, trachea, oesophagus, recurrent laryngeal nerves

Question 6

Space between pretracheal and prevertebral fascia

Answer 6

Retropharyngeal space

Question 7

What nerve supplies SCM and trapezius?

Answer 7

CN XI

Question 8

Arteries to thyroid

Answer 8

Superior (off ECA) and inferior (subclavian) thyroid arteries

Question 9

Veins from thyroid

Answer 9

Superior and middle thyroid veins to IJV

Inferior thyroid veins to left brachiocephalic vein

Question 10

Where do the recurrent laryngeals loop round?

Answer 10

Left - arch of aorta

Right - subclavian artery

Question 11

Structures in cavernous sinus

Answer 11

CN III
CN IV
CN V1
CN V2
ICA
CN VI