Trachea ( Handout ) Flashcards
How many cartilage rings keep your trachea patent?
16-20
Cartilaginous and membranous tube
Trachea
Trachea extends from the lower border of ___________ and ends at the _________
Cricoid cartilage
Carina
What is the smooth muscle that connects the posterior free ends of the cartilages?
Trachealis muscle
Blood supply of the upper 2/3
Inferior thyroid artery
Blood supply of the lower 3rd
Bronchial artery
Sensory nerve supply
Vagus and laryngeal nerve
Trachealis is innervated by
A. Parasympathetic
B. Sympathetic
B. Sympathetic
Lymph drainage
Pretracheal
Paratracheal
And deep cervical
Keel-like ridge and is the cartilaginous projection of the last tracheal ring
Carina
Most sensitive associated with cough reflex
Mucous membrane covering the carina
Enlargement of tracheo-bronchial lymph node may distort what?
Carina