Unit 5 Respiratory System Flashcards
1
Q
Upper Division
A
- Nose
- Pharynx
2
Q
Lower Division
A
- Larynx
- Trachea
- Bronchioles
- Alveoli
3
Q
Conducting Division
A
- Nasal cavities to terminal bronchioles
- Cleanse, warm & humidify air
4
Q
Conducting Zone Components
A
- Nasal cavity
- Pharynx (naso, oro, laryngo)
- Trachea
- Bronchi
- Lobar & segmental bronchi
- Bronchioles
5
Q
Primary Air Entrance
A
- Nasal cavity
6
Q
Nostril (Nares)
A
- Cribriform plate (superiorly)
- Hard palate (inferiorly)
- Soft palate
7
Q
Olfactory Nerve
A
- Travel through cribriform plate
- Sense of smell
8
Q
Olfactory Mucosa
A
- Olfactory nerve
- Cranial nerve I
- Senses of smell
9
Q
Respiratory Mucosa Function
A
- Cleaning
10
Q
Conchae
A
- Bony protrusions within nose cavity
- Increase surface area
- Covered in epithelium
- Highly vascular
11
Q
Pharynx
A
- Connects nasal cavity to larynx
- Composed of skeletal muscle
- Lined with mucous membrane
12
Q
Pharynx Sections
A
- Nasopharynx (air)
- Oropharynx (air & food)
- Laryngopharynx (divides air & food)
13
Q
Hyoid Bones
A
- Base of mouth
- Attachment for muscles
- Mouth to neck transition
14
Q
Larynx
A
- Hyoid bone to tracheal cartilage
- Mostly hyaline cartilage
15
Q
Larynx Unpaired Cartilage
A
- Thyroid
- Cricoid
- Epiglottis (elastic)
16
Q
Larynx Paired Cartilage
A
- Arytenoid
- Cuneiform
- Corniculate
17
Q
Vocal Ligaments
A
- Arytenoid to thyroid
- Tension & length controlled by intrinsic laryngeal muscles
18
Q
Vestibular Fold
A
- Superior to vocal cords
- Hold pressure in lungs
- Glottis
19
Q
Trachea
A
- Subdivide from bronchial trees
- Held open by C cartilages
- Opening at posterior aspect
20
Q
Trachea Division
A
- Primary bronchi (left & right)
- Secondary bronchi (left 2, right 3)
- Tertiary (segmental)
21
Q
Left Bronchi
A
- Longer & horizontal
22
Q
Right Bronchi
A
- Short, wide, vertical
23
Q
Tertiary
A
- Bronchopulmonary segments
- Segmental bronchus & vessels
- Own neurovascular bundle
24
Q
Respiratory Division
A
- Respiratory bronchioles to alveoli
- Gas exchange
25
Respiratory Zone
- Respiratory bronchiole
- Prescence of alveoli
- Alveolar ducts
- Alveolar sacs
26
Alveoli Composition
- Type I pneumocyte cells
- Type II pneumocyte cells
27
Type I
- Form alveoli walls
- Long & flat shaped
- Interface with capillaries to allow gas exchange
28
Type II
- Cuboidal in shape
- Secrete surfactant
29
Surfactant
- Reduce surface tension
- Keep alveoli open with pressure changes
