Physiology UPDATED Questions and
CORRECT Answers
During ascent does gas expand or contact? - CORRECT ANSWER - Expand - Boyles Law
During descent does gas contract or expand? - CORRECT ANSWER - Contact - Boyles
Law
Climb 100m will cause temperature to? - CORRECT ANSWER - Drop 1-degree Celsius -
Charles' law
For every 1,000 ft temperature will drop? - CORRECT ANSWER - 2 degrees Celsius -
Charles's law
how to calculate celsius to fahrenheit - CORRECT ANSWER - (°C x 1.8) + 32 = °F
How to convert Fahrenheit to Celsius - CORRECT ANSWER - (°F - 32) / 1.8 = °C
the temperature outside is 18 °C. What would that equal in Fahrenheit - CORRECT
ANSWER - (18 * 1.8) + 32
(32.4) + 32=
64.4 °F
You're feeling ill and your body temperature is 101.3 °F. What is the temperature in Celsius? -
CORRECT ANSWER - (101.3 - 32) / 1.8
(69.3) / 1.8=
38.5 °C
,When you charge an oxygen tank, and the tank gets hot; that is an example of what gas law -
CORRECT ANSWER - Charles' Law
Does gas volume expand or shrink as temperature increases? - CORRECT ANSWER -
expands
Will a volume of a gas shrink or expand when temperature decreases? - CORRECT
ANSWER - Shrink
An oxygen cylinder left outside overnight will have a lower pressure reading in the morning due
temperature drop. That is an example of what gas law? - CORRECT ANSWER - Gay-
Lussac's Law
All carbonated beverages are example of which gas law? - CORRECT ANSWER -
Henry's Law
Which gas law can cause the bends or decompression sickness? - CORRECT ANSWER -
Henry's Law
Gases diffuse from a higher concentration to an area of lower concentration is which gas law? -
CORRECT ANSWER - Graham's Law
This gas law is an example of the ongoing process of the diffusion of oxygen and carbon dioxide
in the blood and the transfer of oxygen from blood into the cells. Which gas law is this? -
CORRECT ANSWER - Graham's Law
gas bubbles coming out of exposed grey matter when at altitude is an example of which gas law?
- CORRECT ANSWER - Graham's Law
Which gas explains why you get hypoxic when you increase in altitude? - CORRECT
ANSWER - Dalton's Law
, Dalton's Law can be remembered by the phrase "Daltons Gang" because? - CORRECT
ANSWER - Oxygen molecules that were "ganged up" at lower altitudes spread apart at
higher altitudes, making less oxygen available for breathing.
Ballon, barotrauma, equipment issues, air filled medical device expansion, AGE, and
pneumocephalus = which gas law? - CORRECT ANSWER - Boyle's
Soft tissues swelling at altitude
"________ Gang"
which gas law? - CORRECT ANSWER - Dalton's
Charging Charles - CORRECT ANSWER - Charles' law
Grey Matter = Which gas law? - CORRECT ANSWER - Graham's
Heineken
decompression sickness, the bends = which gas law? - CORRECT ANSWER - Henry's
Barotitis media - CORRECT ANSWER - ear pain or ear block
results from failure of the middle ear space to ventilate when going from low to high atmospheric
pressure (descent.)
Treat with Valsalva maneuver or with Oxymetazoline (Afin)
Barodontalgia - CORRECT ANSWER - Acute toothache caused by air being trapped in a
tooth. Commonly occurs during ascent, with decent bringing relief.
"baro" means pressure, and "odontalgia" means tooth pain