Neck

Question 0

Blood supply

Answer 0

Superior thyroid a. - ext carotid

Inferior thyroid- thyrocervical trunk

Question 1

Weight of thyroid gland

Answer 1

20g

Question 2

Venous drainage

Answer 2

Superior and middle thyroid- IJV

inferior thyroid- brachiocephalic

Question 3

Laryngeal prominence of the neck

Answer 3

Thyroid cartilage

Question 4

Unpaired cartilages of the neck

Answer 4

Epiglottis
Thyroid
Cricoid

Question 5

Paired cartilage

Answer 5

Aretynoid
Corniculate
Cuneiform

Question 6

Cricothyroidotomy

Answer 6

Skin
Superficial fascia
Investing layer of deep cervical fascia
Pretracheal fascia 
Larynx

Question 7

Injured along with ligation of superior thyroid artery

Answer 7

External laryngeal n.

Question 8

Branches of superior laryngeal nerve

Answer 8

Ext LN - cricothyroid

Internal LN - above vocal cord area

Question 9

All muscles of phonation supplied by __ excep cricothyroid

Answer 9

RLN/inferior laryngeal nerve

Question 10

Cricothyroid

Answer 10

Tensor

Question 11

Post cricoarytenoid

Answer 11

Abductor

Question 12

Lateral cricoarytenoid

Answer 12

Adductor

Question 13

Thyroartenoid

Answer 13

Relaxor

Question 14

External LN lesion

Answer 14

Hoarseness, monotonous speech

Question 15

Cervical plexus

Answer 15

C1-C4

Question 16

Ansa cervicalis

Answer 16

CN XII + C1, C2, C3
Depress hyoid, depress larynx
Encircles subclavian a.

Question 17

Phrenic nerve

Answer 17

From C3, C4, C5

Injury:penetrating wounds of the neck (superficial ant scalene muscle)

Question 18

Zone 1

Answer 18

Clavicle to inf border of cricoid

Question 19

Zone 2

Answer 19

Cricoid to angle of mandible

Question 20

Zone 3

Answer 20

Above angle of mandible

Question 21

Penetrating neck trauma:airway compromise

Answer 21

Zone 1&3