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Stack #91931

Pathophysiology - respiratory review

7 parts to respiratory system start: nasal cavity, 2. pharynx (3 parts to it), 3.larynx (voicebox) 4. Trachea 5. Bronchi 6. bronchioles 7.Alveoli
3 parts to pharynx: naso pharynx, oral pharynx, laryngo-pharynx,.
Function of: nasal cavity filters, warms and moistens air
Increases the surface area in the nasal cavity 3 Concha bones
function of: nasopharynx air pathway: soft pallet makes sure food doesn't get into it
function of: oral pharynx food and air travel
function of laryngo-pharynx connects to voicebox; epiglottis prevents food from entering
larynx is continual with the trachea
The trachea stops superiorly to the esophagus at the carina
trachea bifurcates to the Bronchi
How many lobes and which side (lungs) 3 on the right and 2 on the left (because of the heart)
How many bronchi and where do they go right and left bronchi each will enter each lung
Tinier air passageways in the lungs Bronchioles
Has a lot of smooth muscle bronchi or bronchioles Bronchioles ; so they are able to expand and contract
constriction in your lungs, concerns the bronchioles
millions of air sacs alveoli
one cell layer thick alveoli
easily collapse from moisture in the lungs alveioli
the molecule produced to prevent the alveoli from collapsing surfactant
where does gas exchange take place in the lungs capillary network
Surround the alveoli and gas exchange occurs very quickly capillaries
what are the gases in the exchange oxygen and carbon dioxide
Explain law of diffusion gas will travel from an area of greater concentration to lesser concentration until equal
oxygen pathway nasal cavity,pharynx, larynx, trachea,bronchi,bronchioles, alveoli
carbon dioxide pathway alveioli, bronchioles, bronchi,trachea, larynx, pharynx, nasal cavity
Blood flow from the right side of the heart is making its way into the pulmonary capillary
Very little oxygen is here capillary
A lot of oxygen is here alveoli; diffuses into the capillary
diffusion processes until it is equal
the only vein that is oxygenated pulmonary vein
takes up the most room in the thoracic cavity except for media-stinum lungs
where the heart and trachea is and the lungs surround it media-stinum
what attaches the lungs to the diaphragm and rib cage parietal pleura (the outer part)
what pleura are actually on the lungs visceraol
the space between the pleura holds serous fluid
four parts of respiration breathing: inspiration and exhalation 2.external respiration (gas exchange in the lungs -alveoli) 3. internal respiration (takes place in every cell. 4.cellular respiration
equation of cellular respiration is glucose+oxygen=ATP=carbon dioxide + H2O
atmospheric concentration of oxygen 152mm (mercury)
Concentration of o2 in the alveoli 105mm (mercury)
concentration of o2 in the pulmonary capillaries is 40mm(mercury)
the value of co2 is directly related to hydrogen ion concentration
the goal is to respire by diffusion;not use energy to breathe
co2 can build in the tissue to about 60mmhg
concentration of co2 in the pulmonary capillaries is 47mm
concentration of co2 in the alveoli is 35mm
if you have more hydrogen ions (CO2 buildup) ; you would be acidic
If you become acidic , this would be a drop in your pH balance
Boyle's Law pressure and volume are inversely proportional. P1V1=P2V2
P1V1=P2V2 Boyle's Law
Find X if it = V2 using Boyle's Law P1=6,V1=5,P2 =10 6*5=10X, 30/10=10X/10, 3=X
According to Boyle's Law, if you increase the pressure you decrease the volume
two main ways to change the volume in the thoracic cavity using the diaphragm and the intercostal muscles
when you contract the diaphragm it flattens
when the diaphragm contracts it increases_______and decreases _________so that _______goes in increasing volume, decreases pressure, so that oxygen goes in
the intercostal spaces allows for inhalation
inhalation increases ______and decreases _______ increases volume, decreases pressure
the lungs are spongy _______tissue connective
Created by: tamiboren