Organization of Respiratory System

Question 1

2 types of convection

Answer 1

• external

- internal

Question 2

what is CONVECTION?

Answer 2

process by which air from atmosphere is brought into contact w/ cells in the body via finely controlled structures – air pumps, ventilatory apparatus, circulatory system

Question 3

volume of conducting airways in males? females?

Answer 3

150 mL males

> 100 mL females

Question 4

what generation is the most distal conducting airways and what do we refer it as?

Answer 4

gen 16

and we call it TERMINAL BRIONCHIOLES

Question 5

generations with absence of alveoli

Answer 5

generation 0 - 16

Question 6

where do we first see alveoli budding off?

Answer 6

gen 17

Question 7

approximate cross-sectional area of trachea

Answer 7

2.5 cm2

Question 8

relationship b/w cross-sectional area and velocity

Answer 8

inversely proportional

Question 9

what lines alveolar walls?

Answer 9

epithelial cells and there are 2 types

Type I pneumocyte
Type II pneumocyte

Question 10

if there is a lung injury, what cells will proliferate and line the alveolar space to re-establish a continuous epithelial cell lining?

Answer 10

Type II pneumocyte