Upper Respiratory Tract and Lower Respiratory Tract

Question 1

what does the upper respiratory tract consist of?

Answer 1

nasal cavity, pharynx and larynx

Question 2

what does the lower respiratory tract consist of?

Answer 2

trachea, primary bronchi, bronchioles and alveoli

Question 3

where does the trachea begin?

Answer 3

C6

Question 4

where does the trachea bifurcate?

Answer 4

vertebrae T4

Question 5

approx how many rings comprise the trachea?

Answer 5

16-20

Question 6

name the muscle that completes the tracheal ring posteriorly?

Answer 6

trachealis muscle

Question 7

what is the keel-shaped cartilage ring at the bifurcation of the trachea called?

Answer 7

carina

Question 8

lying immediately lateral to the trachea in the neck are the?

Answer 8

common carotid arteries

Question 9

what are the nerves lying immediately lateral to the trachea?

Answer 9

vagus nerves

Question 10

what nerves supply motor and sensory innervation to the larynx?

Answer 10

recurrent laryngeal nerves

Question 11

which of the two main bronchi is shorter, wider and more vertical?

Answer 11

right main bronchus

Question 12

which of the two main bronchi gives off a superior branch just before entering the lung?

Answer 12

right main bronchus