ENT

Question 1

Posterior cricoarytenoid muscle fx

Answer 1

vocal cord abduction
inf laryngeal nerve

Question 2

Lateral cricoarytenoid muscle fx

Answer 2

adduction with expiration and sound production

Question 3

cricothyroid muscle

Answer 3

increase volume
innervated by external laryngeal n

Question 4

thyroarytenoid m

Answer 4

softer voice , relax vocal ligament
inferior laryngeal n

Question 5

tranverse and oblique arytenoid ligaments

Answer 5

adduction
inferior laryngeal n

Question 6

Kisselbach area 5 arteries

Answer 6

Anterior ethmoidal artery from the opthalmic artery
Posterior ethmoidal artery from the opthalmic artery
Sphenopalatine artery from the maxillary artery
Greater palatine artery from the maxillary artery
Septal branch of the superior labial artery from the facial artery