Respiratory System (23) Flashcards
Which structures belong to the upper respiratory system?
NOSE, NASAL CAVITY, & PHARYNX
Which structures belong to the lower respiratory system?
LARYNX, TRACHEA, BRONCI, BRONCHIOLES, ALVEOLAR DUCTS, ALVEOLI
Name the paranasal sinuses.
MAXILLARY, FRONTAL, ETHMOIDAL, & SPHENOIDAL SINUSES
Where are the auditory tubules found?
CONNECTING THE MIDDLE EAR TO NASOPHARYNX
PHARYNX:
PASSAGEWAY FOR AIR & FOOD; CONNECTS POSTERIOR NASAL CAVITY TO ESOPHAGUS & LARYNX (COMPOSED OF NASO-, ORO-, & LARYNGOPHARYNX)
LARYNX:
PASSAGEWAY FOR AIR; VOICE BOX.
TRACHEA:
AIR CONDUCTION TUBE; CONNECTS LARYNX TO BRONCHI IN LUNGS
Describe the epiglottis.
FLAP OF ELASTIC CARTILAGE BEHIND TONGUE, IN FRONT OF ENTRANCE TO THE LARYNX. FUNCTIONS: COVERING OPENING OF LARYNX DURING SWALLOWING TO PREVENT FOOD IN AIRWAY; ALLOWING AIR TO PASS INTO LARYNX; CONTROLS VOLUME IN SPEAKING
BRONCHOCONSTRICTION:
LUMEN IS CLOSED; sympatheric nervous stimulation
BRONCHODILATION:
LUMEN IS OPEN; parasympathetic nervous stimulation
VISCERAL PLEURA:
MEMBRANE THAT TOUCHES LUNG.
PARIETAL PLEURA:
MEMBRANE THAT TOUCHES BODY WALL
Inspiration _____ the volume in the thoracic cavity, which _____ the pressure in the lungs.
increases; decreases
Expiration _____ the volume in the thoracic cavity, which _____ the pressure in the lungs.
decreases; increases
How many lobes does each lung have?
LEFT: 2 (SUPERIOR & INFERIOR). RIGHT: 3 (SUPERIOR, MIDDLE, & INFERIOR)