Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
60 Cards in this Set
- Front
- Back
|
These are indications of what?
|
1- decrease the symptoms of hypoxemia
2- decrease the work of the heart 3- decrrease myocardial workload |
|
|
What are the 3 major gases that make up the atmosphere?
|
NItrogen 78%
Oxygen 21% carbon dioxide .03% trace elements 1% |
|
|
________ does not cross the ACM ( alveolar capillary membrane )
|
Nitrogen
|
|
|
_____ is a waste product of metabolism?
|
Co2
|
|
|
Whose law states the volume of gas varies inversely with its pressure?
as volume increases, temp. increases |
Boyle's Law
|
|
|
Whose law states the volume of gas varies directly with its temp?
|
Charles' Law
|
|
|
T/F:
The movement of molecules from areas of high concentration to areas of lower concentration? |
True
|
|
|
What is measured with a barometer?
|
Atmospheric pressure
|
|
|
If your at 720 atm pressure, what is the atmospheric pressure at that level?
|
720 x .21 = 151.2
|
|
|
What is the most abundant gas in the atmosphere?
|
Nitrogen
|
|
|
What does PSI stand for?
|
pounds per sq. inch
|
|
|
What is the atmospheric pressure at sea level?
|
760 mmHg
|
|
|
What does the "A" stand for?
What does the "a" stand for? |
atmospheric gas
arterial gas |
|
|
what does PA02 mean?
What does Pa02 mean? |
partial pressure of atmospheric oxygen
partial pressure of arterial oxygen |
|
|
PA02 diffuses across the ________________ during the respiratory cycle and becomes _______?
|
ACM
Pa02 |
|
|
T/F:
Is oxygen a Drug? |
True
If oxygen is needed at home a doctor must write a script and order it! |
|
|
What is it called when the oxygen is decreased in the arterial blood?
|
hypoxemia
|
|
|
What are the following goals of:
1- correct suspected acute hypoxemia 2- decrease work of breathing 3- decrease the workload hypoxemia imposes the heart. |
oxygen therapy goals
|
|
|
What are the 2 types of pulmonary disease?
|
obstructive and restrictive
|
|
|
What are the obstructive diseases?
You can use the acronym CBABE to remember them! |
Cystic fibrosis
bronchitis asthma bronchiectasis emphysema |
|
|
What does SOB stand for?
|
shortness of breath
|
|
|
What is the normal range for the heart rate?
|
60 - 100 bpm
|
|
|
Oxygen toxicity primarily affects the ________ and the __________?
|
lungs
central nervous system |
|
|
What are the determining factors of oxygem toxicity?
|
Po2
exposure time |
|
|
Prolonged high FIo2 can cause _________ in the lung parenchyma?
|
infultrates
|
|
|
What does FI02 stand for?
|
Fraction of inspired air
|
|
|
what are some hazards of 02 therapy?
|
depression of ventilation
retinopathy of prematurity absorption atelectasis |
|
|
what are the 2 restrictive pilmonary diseases?
|
pneumonia
pulmonary fibrosis |
|
|
what does obstructive mean?
|
hard to move air in or out of the lungs
|
|
|
what is the condition where your alveoli collapseand their is no gas exchange in those areas?
|
atelectasis
|
|
|
What FI02 does the nasal cannula deliver?
what is the flow rate? is it a low flow or high flow device? |
24-44%
1-6 l/min low flow |
|
|
What are the 3 types of masks?
|
simple, partial, and non rebreather
|
|
|
What does HBO stand for?
|
Hyperbaric 02 therapy
|
|
|
what are the 2 methods HBO is administered?
|
multiplace chamber and a monoplace chamber
|
|
|
How many people can the multiplace chamber hold?
|
12 or more
|
|
|
How many people can the monoplace chamber hold?
|
1
|
|
|
What gas law states at a constant temp, the absolute pressure and the volume of a gas are inversly proportional?
|
Boyle's law
|
|
|
What gas law states that the amount of a given gas (inHBO) dissolved in a given type and volume of liquid (our body - blood) is directly proportional to the partial pressure of that gas in equilibrium with that liquid?
|
Henry's law
|
|
|
What are the 2 most common acute conditions that RT's administer HBO?
|
air embolism
carbon monoxide poisioning |
|
|
For what filled cylinders, the volume of gas in the cylinder is directly proportional to its pressure?
|
gas-filled
|
|
|
For _______ gas filled cylinders, the pressure does not relate to the amount of liquid remaining: on the weight of the cylinder indicates the amount of gas within?
|
liquid
|
|
|
This formula is for what?
amount of gas in container / flow |
amount of gas
|
|
|
Bulk oxygen systems hold at least _________ cubic feet of gas?
|
20,000
|
|
|
What are the ASSS, DISS, and PISS?
|
safety connector systems
|
|
|
The DISS safety system is used on what type of system?
|
the flowmeter in the hospital wall
|
|
|
The ASSS system is used with what type of cylinder?
|
H (the big cylinder)
|
|
|
What valve is used to reduce gas pressure to a usable level?
= 50 psi |
reducing valve
|
|
|
What is used to control the flow to the patient?
|
flow meter
|
|
|
wht does a regulator control?
|
pressure and flow
|
|
|
what flow meter is Not gravity dependant and can operate at any angle?
|
bourdon gauge and it is also not back pressure compensated
|
|
|
what are the 3 catagories of flow meters used?
|
1. flow restrictor
2. bourdon gauge 3. thorpe tube |
|
|
_________ are needed to set and control flow of gas to a patient?
|
flowmeters
|
|
|
Being back pressure compensated is ALL ABOUT the _____________ _______?
|
thorpe tube
|
|
|
What does the thorpe tube measure?
|
true flow
|
|
|
The needle valve is ________ to the thorpe tube?
|
distal
|
|
|
The thorpe tube is _________ when the needle valve is located dowstream to the tube?
|
compensated
|
|
|
What is the simplest and least expensive flowmeter device?
|
flow restrictor
|
|
|
which flow meter is always used in combination with an adjustable pressure reducing valve?
|
bourdon gauge
|
|
|
T/F:
The bourdon gauge is NOT accurate when pressure distal to the orifice changes? |
true
|
|
|
What device functions as a flow variable- orifice, with constant pressure and is always attached to a 50 psig source?
|
thorpe tube
|
