lecture 12 Flashcards
1
Q
3 phases of respiration
A
- pulmonary ventilation (inhale/exhale)
- external exchange of gas (alveoli & blood)
- internal exchange of gas ( blood to cell )
2
Q
most important part of inhalation
A
diaphragm (inhalation active)
3
Q
most important part of exhalation
A
intercostal ( exhalation passive )
4
Q
upper respiratory tract
A
-nasal cavity
-pharynx
-larynx
5
Q
lower respiratory tract
A
-trachea
-primary bronchi
-lungs
6
Q
how many lobes in right lung
A
3 lobes
7
Q
how many lobes in left lung
A
2 lobes
8
Q
5 nasal cavities
A
- nostril
- nasal septum
- mucus membrane
- conchae or turbinate
- sinuses
9
Q
sinuses
A
2 frontal
2 maxillaries
2 ethmoidal
2 sphenoidals
10
Q
where is the epiglottis located
A
on top of the larynx
11
Q
glottis
A
space when epiglottis is away from the larynx
12
Q
carina
A
bifurcation of trachea
13
Q
3 types of cells in alveolar wall
A
- type l (squamous alveolar) - form structure
- type ll (great alveolar) -secrete pulmonary surfactant
- macrophages - destroy bacteria
14
Q
hypernea
A
increase depth & rate of breathing
15
Q
hypopnea
A
decrease depth & rate of breathing