Chapter 7 Concepts and terms Flashcards
(48 cards)
describe ventilation, inhalation, and exhalation
ventilation: flow of air between outside environments and lungs
inhalation: flow of air into lungs; brings oxygen into air sacs
exhalation: flow of air out of lungs; removing carbon dioxide from air sacs
difference between external respiration and internal respiration?
external respiration: takes place inside the body; exchange of oxygen and carbon dioxide with air from outside the body
internal respiration: takes place inside the body; consists of oxygen exchange within the cells
another name for pharynx?
throat
what is the function of mucous membrane found in our nasal cavity and throat?
traps dust, warms and moistens air
what is responsible for the sound resonance in our head? (not larynx)
paranasal sinuses (echo chamber)
three regions of the pharynx?
nasopharynx, oropharynx, and laryngopharynx
what is responsible for allowing equalization of pressure in the ear?
eustachian or auditory tube
another name for larynx?
voice box
what makes up our vocal cords?
air passing through glottis in our larynx
what is the epiglottis’s function?
covers larynx and trachea during swallowing so no food goes down the “wrong pipe”
another name for trachea?
windpipe
describe what makes up the bronchial tubes?
primary bronchi, secondary bronchi, tertiary bronchi, bronchioles, and alveoli
when alveoli expand and fill with oxygen, is this considered external or internal respiration and why?
external respiration because it is processing air taken directly from outside the body
what surrounds the alveoli in order to exchange oxygen to blood?
pulmonary capillaries
how many lobes does the right and left lung have and why?
right: 3
left: 2
because the heart takes up some of the size of the left lung
Written question: Describe how lungs are protected in comparison to other organs that expand
lungs are protected by a double serous membrane called pleura. Pleura is made up of visceral pleura which rests right up against the lung, and a parietal pleura which rests outside the visceral pleura and is separated by serous fluid. these membranes assist with the expansion of the organ, in this case the lung, in order to prevent friction
where is the apex of the lung?
the superior tip
what is the entry and exit point of the lungs called?
hilum
what assists the ribs and lungs during forceful inhalation?
intercostal muscles between the ribs
does negative or positive pressure occur during inhalation?
diaphragm creates negative pressure of the lungs
when CO2 levels are high in the blood… ?
we breathe more
otorhinolaryngology…
branch of medicine diagnosing conditions of ear, nose and throat
define hypocapnia
hypo: insufficient
capnia: carbon dioxide
too little carbon dioxide in the body
pansinusitis
pan: all
sinus/o: sinus
-itis: inflammation
Inflammation of all the paranasal sinuses
