Recurrent Laryngeal Nerve

Question 1

What does the RLN provide?

Answer 1

It provides sensory and motor innervation to the intrinsic muscles of the larynx except to the cricothyroid

Question 2

Which One left or right RLN has a greater chance of injury?

Answer 2

The incidence of left side injury has a higher rate than that of the right side

Question 3

What are the major causes of our RLN injury?

Answer 3

Idiopathic surgical injury and invasion of malignant tumor of the thyroid larynx esophageal or an aortic aneurysm tracheal intubation upper airway infection trauma and systemic neuromuscular disease

Question 4

What are possible causes of problems with RLN regeneration?

Answer 4

Loss of motor neurons in nucleus ambiguous, nerve degeneration, misdirected innervation, atrophy of laryngeal muscle, loss of motor and plate

Question 5

True or false bilateral RL an injury often needs a trach?

Answer 5

True

Question 6

Does RLN innervate both adductor abductor muscles?

Answer 6

Yes

Question 7

What supplies sensation above glottis? What about below

Answer 7

Above? Internal sensory nerve. Below? RLN