Overview Of Respiratory Tract Flashcards
1
Q
Nose features
A
- External portion supported by bone and cartilage
- Interior divided by midline nasal septum
- Lined by respiratory epithelium
- Roof contains olfactory epithelium
- Nasal cavity surrounded by paranasal sinuses
2
Q
Nose features
A
- External portion supported by bone and cartilage
- Interior divided by midline nasal septum
- Lined by respiratory epithelium
- Roof contains olfactory epithelium
- Nasal cavity surrounded by paranasal sinuses
3
Q
Nose functions
A
- Filtration of dust
- Humidification of inspired air
- Contains receptors for sense of smell
- Paranasal sinuses lighten skull and functiom same as nasal cavity
4
Q
Pharynx subdivisions
A
- Nasopharynx
- Oropharynx
- Laryngopharynx (houses ring of tonsils)
5
Q
Tonsils types
A
- Pharyngeal
- Tubal
- Palatine
- Lingual
6
Q
Pharynx functions
A
- Passage for air and food
2. Tonsils respond to inhale antigens
7
Q
Larynx features
A
- Framework of cartilages and dense connective tissue membranes
- Connects pharynx to trachea
- Located in anterior neck at level of CV3-CV6
8
Q
Larynx functions
A
- Guard the air passages
- Prevents food from entering respiratory tract
- Voice production
9
Q
Trachea features
A
- Fibrocartilageneous tube extending from inferior end of larynx (CV6 level)
- Wall contains C shaped cartilages
- Gap in cartilage filled by trachealis muscle
- Divided into 2 main bronchi at level of sternal angle (lower border of TV4(
10
Q
Trachea functions
A
- Air passageway
* Filters, warms, moistens incoming air
11
Q
Bronchial tree
A
- Primary bronchi
- Secondary bronchi (lobar bronchi)
- Tertiary bronchi (segmental bronchi)
- Bronchi
- Bronchioles
12
Q
Primary bronchi
A
Right and left
13
Q
Secondary bronchi
A
- 3 right
* 2 left
14
Q
Tertiary bronchi
A
- 10 right
* 8-9 left
15
Q
Bronchi
A
23 generations of divisions
