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The upper respiratory tract humidifies inspired air. The value of PO2 then in the humidified air is mostly at 19. 7kPa (148mmHg).
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How do cells lining the bronchus protect the alveoli?
At the top of the respiratory system, the nostrils (also called nares) act as the air intake, bringing air into the nose, where it's warmed and humidified. Tiny hairs called cilia protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air. :D hope it helps
What happens to air as it enters and moves through the nasal cavities?
As air enters the respiratory system through the nose, it is warmed, filtered, and moistened. These changes increase the efficiency of gas exchange in the lungs, and protect the lungs from particulates.
What would happen to the boiling point of water at 8000 m above sea level where air pressure is lower?
You would probably be at a higher altitude, and your water would boil below the usual value of ~100 degrees.
Which type of air would you expect to have more space between air molecules?
Warmer Air does this.
How would you go about storing the extra oxygen and air that would continuously provide fresh air to the astronauts?
having air pockets in the resperater of the astronuat's suit
Is humidified oxygen the same concentration as regular oxygen?
I want to know is 28% humidified O2 the same as room air?
Why is there Bubbling on a ventilator?
Because of the air being forced thru the water to keep it humidified.
Air entering the body is filtered warmed and humidified by the?
Nasal cavity in the upper respiratory tract.
How po2 in inspired air is more than pco2?
"Inspired air " is the stuff around us, so O2 is about 20% & CO2 is about .003 % ... and why? is because of plants and chlorophyll.
Which has lower po2 venous blood or expired air?
It means that there is an insufficient supply of oxygen in the artery. Artery carries oxygen away from the heart.
What is the normal value of arterial blood gas?
1. PH, HCO3, and base excess, depicts the acid-base balance of the body, which is being controlled by the kidneys and lungs. 2. PCO2 gives the ventilatory status of the body 3 PO2 tells the oxygenation status of the body.
If a tracheostomy bypasses the upper respiratory passages how might the air entering the trachea differ from air normally passing through this tube?
Air entering a tracheostomy would not be warmed, filtered for removal of microorganisms and dust particles, or humidified by the nasal passages or oropharynx. The patient may experience irritation around and inside the tracheostomy opening (due to dryness), coughing, and respiratory infections.
Exchange of gases in the lungs?
blood entering the lungs has a partial pressure of oxygen (PO2) of 40 mmHg and a partial pressure of carbon dioxide (PCO2) of 46 mmHg; alveoli, on the other hand, have a PO2 of 105 mmHg and a PCO2 of 40 mmHg. As the blood moves past the alveoli, oxygen and carbon dioxide will diffuse down their respective partial pressure gradients. Oxygen will move from the alveolar space (PO2 of 105 mmHg) to the blood stream (PO2 of 40 mmHg). Carbon dioxide will move from the blood (PCO2 of 46 mmHg) to the alveolar space (PCO2 of 40 mmHg). As the blood leaves the alveolus, the PO2 and PCO2 will have essentially equilibrated with the alveolar air.
How will this temperature increase affect the po2 of the air which you calculated to be 159 mmHg?
nothing will happen it will remain the same. Since the warmed air still contains 21% O2 and the total pressure has not changed the partial pressure of all components remain the same.
What is the value of air?
the r value of air is pretty high
What special attention is given to a patient's breathing after a laryngectomy?
laryngectomees are encouraged to breathe artificially humidified air. The stoma is usually covered with a light cloth to keep it clean and to keep unwanted particles from accidentally entering the lungs
Where can find a plentum?
A plenum is a space, usually an enlarged space in air handler ductwork (forced hot air heating systems). In the plenum the air can be heated, cooled, humidified or dehumidified before being redirected down smaller ducts for the final endusers. It is often the first space through which air, being drawn in through the filters, passes into the system.
