Term
| parts and function of Conductive Airways |
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Definition
nose, pharynx, larynx, trachea, bronchi
function: moisten, warm, filter, conduct air |
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Term
| parts and function of Respiratory Airways |
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Definition
lungs
function: gas exchange |
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Term
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Definition
septal cartilage
perpendicular plate of ethmoid bone
vomer |
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Term
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Definition
sphenoid sinus- secretes muscus, NOT gas exchange
orifice of auditory (Eustachian tube)- equalizes pressure between oral cavity and inner ear |
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Term
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Definition
superior, middle, inferior
airflow grooves, directs airflow |
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Term
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Definition
in roof of nasal cavity
involved in smell |
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Term
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Definition
superior, middle, inferior
spongey bone, cause turbulence and airflow direction |
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Term
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Definition
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Term
| 5 parts of the nasal cavity |
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Definition
1) choanae
2) olfactory epithelium
3) nasal meatesues
4) external naris
5) nasal conchae/turbinates |
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Term
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Definition
nasopharynx
oropharynx
laryngopharynx |
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Term
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Definition
choanae to soft pallate
includes pharyngeal tonsil and Eustachian tube
passageway for air |
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Term
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Definition
soft pallate to epiglottis
passageway for air and food
includes: uvula, palatine tonsil, fauces, lingual tonsil |
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Term
| borders of laryngopharynx |
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Definition
epiglottis to cricoid cartilage
passageway for air |
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Term
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Definition
Pharyngeal, Palatine, Lingual
monitor everything coming through mouth = "gate keeper" |
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Term
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Definition
aka adam's apple
incomplete
protects |
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Term
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Definition
posterior to adam's apple
insertion for true vocal cord muscles |
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Term
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Definition
false vocal cords
superior to tru vocal cords |
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Term
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Definition
| trachea --> primary brochi --> secondary bronchi --> tertiary bronchi --> bronchioles --> terminal bronchioles |
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Term
| what kind of epithelium is in the bronchial tree? |
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Definition
pseudostratified ciliated columnar in trachea, primary, secondary bronchi
simple cuboidal in the rest |
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Term
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Definition
found in bronchial tree
secrete mucus
fewer ing number the closer to alveoli |
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Term
| 3 factors that contribute to asthmatic bronchial obstruction |
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Definition
1) constriction of smooth muscle
2) edema of mucosa- fills up with fluid
3) thick mucus production |
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Term
| what makes up the lung hilum |
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Definition
| bronchioles, veins, arteries |
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Term
| bronchopulmonary segments |
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Definition
partions of the lungs that correspond to bronchial branches
used when removing lung cancer |
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Term
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Definition
fewer alveolar sacs = harder to breath
not nearly as efficient |
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Term
| alveolar-capillary membrane |
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Definition
exchange from alveoli to blood
4 layers:
1) alveolar epithelial wall of inner, type I cells
2) alveolar epithelial basement membrane
3) capillary basement membrane
4) endothelial cells of capillary |
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Term
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Definition
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Term
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Definition
| exchange of gases between air and blood in alveoli |
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Term
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Definition
| exchange of gases between blood and tissues |
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Term
| when does inspiration occur? |
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Definition
| when pressure outside is higher than inside of the lungs |
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Term
| when does expiration occur? |
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Definition
| when pressure inside the lungs is greater than atmospheric pressure |
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Term
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Definition
Prinicple: diaphragm, external intercostals
Accessory: sternocleidomastoid, scalenes, pec major & minor |
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Term
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Definition
Prinicple: diaphragm, internal intercostals
Accessory: external/internal obliques, transverse/rectus abdominis |
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Term
| what regulates breathing? |
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Definition
pons and medulla for rhythm
cortical influences
peripheral chemoreceptors from aortic body and carotid bodies (pH, PCO2, PO2) |
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