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Question 1

What are the nerves to pharynx motor and sensory

Answer 1

Motor
- vagus nerve 10 or x
- glossopharyngeal nerve 9 or ix
Sensory
- nasopharynx maxillary nerve 5 or v
- oropharynx pharyngeal plexus ix
- laryngopharynx pharyngeal plexus nerve 10 x

Question 2

What are the outer membranes of larynx

Answer 2

• thyrohiod
  -cricothyroid
• cricotracheal

Question 3

Inner membrane of larynx

Answer 3

• quadreangular
  -Conus Elasticus
  (Crico-thyroid membrane)

Question 4

What is the motor nerves of larynx

Answer 4

Recurrent laryngeal nerve
Cricothyroid is external laryngeal nerve

Question 5

Sensory nerves of larynx

Answer 5

Above vocal fold (arytenoids) is internal laryngeal nerve
Below vocal fold (cricoarytenoid) is recurrent laryngeal nerve

Question 6

Arterial supply for larynx

Answer 6

Superior and inferior thyroid arteries

Question 7

Veinous and lymphatic drench

Answer 7

Thyroid vein
Deep, cervical lymph nodes

Question 8

Oblique arytenoid

Answer 8

Narrow the laryngeal inlet

Question 9

Transverse arytenoid

Answer 9

Approximate the arytenoid and adduct the vocal folds

Question 10

Posterior cricoartynoid

Answer 10

Pulls arytenoid backwards and abduct vocal folds

Question 11

Lateral cricoarytenoid

Answer 11

Vocal process medically and adduces vocal folds

Question 12

Cricothyroid

Answer 12

Tense the vocal folds by pulling thyroid cartilage forward and tilting the lamina of cricoid backward

Question 13

Vocalis muscles

Answer 13

Parallel to vocal ligament and adjust tension of it

Question 14

Thyroarytenoid

Answer 14

Shorten and relax the vocal folds
Pulls arytenoid towards thyroid cartilage

Question 15

What are the motor nerve for diaphragm

Answer 15

Left and right phrenic nerve

Question 16

What are the sensory nerves for diaphragm

Answer 16

• phernic nerve C3-C5
• lower 6 of intercostal nerve for for peripheral part