Ch. 12 - The Respiratory System Flashcards
What does the UPPER RESPIRATORY SYSTEM consist of?
- Nose
- Pharynx
- Larynx
- Trachea
What are the paranasal sinuses?
- Maxillary
- Frontal
- Sphenoid
- Ethmoid
Are situated among the facial bones around the nasal cavity.
What is the function of the sinuses?
They reduce weight of the skull, produce mucus, and influence voice quality.
What does the pharynx consist of?
The nasopharynx , oropharynx, and laryngopharynx. And it extends from the back of the mouth to the esopahgus.
What is the function of the pharynx?
It is a passageway for moving air to the lungs and food to the esophagus.
Where are the tonsils located?
In the oropharynx, which are part of the lymphatic system.
Where are the adenoids located?
In the nasopharynx (also part of the lymphatic system)
What carries oxygen into the lungs?
The bronchi
What is the primary respiratory muscle?
The diaphragm
What happens if the muscles of the diaphragm and chest paralize?
Abscence of breathing, also known as sleep apnea
What happens if any bones of the thorax or chest wall become injured?
Breathing can be affected.
What is complience?
It describes the elasticity of the lungs or how easily the lungs inflate
What happens when complience is decreased?
The lungs are more difficult to inflate
What affects complience and why?
COPD and aging. Because of damage in the alveoli
What is Kyphosis?
Inward curvature and collapse