Quiz 1 Respiratory Flashcards
List 5 functions of the respiratory system
- Gas exchange
- Location for the receptors for the sense of smell
- Filtering air
- Production of sound
- Elimination of waste
What are the structural classifications of the respiratory system?
- Upper ( nose, pharynx, associated structures)
- Lower ( larynx, trachea, bronchi, lungs)
What are the functional classifications of the respiratory system?
- Conducting portion ( nose, pharynx, larynx, trachea, bronchi, terminal bronchioles)
- Respiratory portion (respiratory bronchioles, alveolar ducts, alveoli)
What are 3 functions of the nose?
- moistens and filters incoming air
- Receive olfactory stimuli
- Serves as resonance chambers for speech
What are 3 functions of the pharynx?
- Respiration
- Digestion
- Modifies sound by acting as a resonating chamber
What muscles are involved in normal quiet inspiration?
Rib cage
Diaphragm
What muscles are involved in in forced inhalation?
SCM
Scalenes
Pec minor
Traps
Last
Serratus
What muscles are involved in normal expiration?
Diaphragm, external intercostals
What muscles are involved in forced expiration?
Abdominals, internal intercostal
What is another term for expiration or exhalation?
Elastic recoil
What is another term for normal quiet inspiration?
Eupnea
What is another term for shallow breathing?
Costal breathing
What is the difference between parietal pleura and visceral pleura?
Parietal lines the thoracic cavity
Visceral covers the surface of the lungs
A ________ occurs when the pleural cavity fills with air
Pneumothorax
What is the space called between the visceral and parietal pleura?
Intrapleural space
( it is filled with serous fluid which causes the pleura to adhere to each other)
