Lung continued Flashcards
1
Q
The left lung has two lobes
A
- Superior and inferior
- Separated by an oblique fissur
2
Q
left lung is seperated by
A
oblique fissure
3
Q
Lung Shape
* Right lung is
A
wider
4
Q
Right lung is displaced upward by
A
liver
5
Q
- Left lung is
A
longer
6
Q
left lung is displaced leftward by
A
the heart forming the
cardiac notch
7
Q
The Bronchial Tree
* Is formed by the
A
primary bronchi and their
branches
*
8
Q
Extrapulmonary Bronchi
A
- The left and right bronchi branches outside the
lungs
9
Q
Intrapulmonary Bronchi
* Branches within
A
the lungs
10
Q
- A Primary Bronchus
- Branches to form
A
secondary bronchi (lobar bronchi)
11
Q
- One secondary bronchus goes to each
A
lobe
12
Q
Secondary Bronchi
* Branch to form
A
tertiary bronchi (segmental
bronchi)
13
Q
- Each segmental bronchus
A
- Supplies air to a single bronchopulmonary
segment
14
Q
- Bronchopulmonary Segments
- The right lung has___
The left lung has____
A
10
- 8 or 9
15
Q
- The walls of primary, secondary, and tertiary
bronchi - Contain progressively less___and more___
A
cartilage
smooth muscle