B2 Anatomy of Respiratory System Flashcards
What is the contents of the upper respiratory system?
- Nose
- Nasal Cavity
- Paranasal sinuses
- Pharynx
What is the contents of the lower respiratory system?
- Larynx
- Trachea
- Bronchi
- Lungs
What are the functional divisions of the respiratory system?
ConductingRespiratory
What is the function of the conducting division of the respiratory?
Cleanse, warm and humidify incoming air
What parts of the respiratory system are conducting?
All the respiratory passagesRigid conduits
Which parts of the respiratory system make up the respiratory functional division?
- Respiratory bronchioles
- Alveolar ducts
- Alveolar ducts
- Alveoli
What is the external framework of the nose?
Bone and cartiliage covered by facial muscles and skin
What are the apertures of the nose?
Nostrils
What divides the nasal cavity into two?
Nasal septum
What are the ‘shelves’ of nasal cavity?
Conchae
What are meatuses?
Broad openings inferior to the conchae
What is another term for ‘turbinates’?
Conchae
What are the functions of the nasal cavity?
- Provides airway
- Filters, humidifies and warms incoming air
- Resonating chamber for speech
- Olfaction
Where is the sphenoethmoidal recess located?
Superior to superior concha
What is the difference between ‘olfactory mucosa’ and ‘respiratory mucosa’?
Olfactory- Sensory receptors for smellRespiratory- Pseudostratified ciliated columnar epithelium; hasgoblet cells
What is the structure of the trachea?
C- shaped cartilage rings bridged by Trachealis
What phrase is used to describe the movement of the ribs during respiration?
Bucket handle movement
What is the base of the lungs?
The broad inferior surface; sit on diaphargm below it
What is the hillus of the lung?
The lung root; where structures enter and leave the lung
What is the difference between visceral and parietal pleura?
Visceral- lining lungsParietal- Lining thoracic wall
How many lobes does the left lung have?
2
How many lobes does the right lung have?
3
What are the two fissures in the right lung calles?
Horizontal/ transverseOblique
What is the fissure that separates the middle and inferior lobes of the right lung?
oblique