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Hyperbaric Study Questions with 100% Correct Answers
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Hyperbaric Study Questions with 100% Correct Answers
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©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Wednesday, July 31, 2024 9:10 AMHyperbaric Study Questions with 100% Correct Answers
Pressure is defined as - ✔️✔️The force per unit area acting on a surface in a direction
perpendicular to that surface
Gas is defined as - ✔️✔️A phase of matter
In the gas phase, the atoms or molecules basically move - ✔️✔️Randomly
Liquids change to a gas at - ✔️✔️their respective boiling points
Hydraulics is a branch of science and engineering concerned with the mechanical
properties of - ✔️✔️Liquids
When applying pressure to a fluid, the pressure is exerted - ✔️✔️In all directions equally
A mechanical gauge is used when measuring gas pressure in a sealed container. For
all common pressure gauges, the pressure indicated on the gauge is - ✔️✔️Less than
absolute pressure because gauges (and gauge pressures) ignore the ambient
(barometric) pressure around us. They ony measure the extra pressure in the container.
Absolute pressure can be defined as - ✔️✔️The amount of pressure within the sealed
vessel + the amount of pressure outside the sealed vessel
Absolute pressure can also be defined as - ✔️✔️Gauge pressure + atmosphere, total
pressure and,true pressure.
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,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Wednesday, July 31, 2024 9:10 AM
1 atmosphere equals - ✔️✔️760 mmHg<br>14.7 psi<br>33 fsw
The barometric pressure in Denver (elevation 5000 ft) is less than barometric pressure
at sea level - ✔️✔️True
To convert from ATA to fsw - ✔️✔️subtract 1, then multiply by 33
To convert ATA to mmHg - ✔️✔️multiply by 760 mmHg
To convert ATA to PSI - ✔️✔️subtract 1, then multiply by 14.7
To convert FSW to ATA - ✔️✔️divide by 33, then add 1
Boyle's law is about the - ✔️✔️pressure-volume relationship
Which gas law has an inversely proportional relationship - ✔️✔️Boyle's law
According to Boyle's law, (assuming the temperature remains constant) when the
pressure increases, the volume - ✔️✔️Decreases proportionally
When applying boyle's Law to the human body, we worry about air-filled spaces being
shrunk (or squeezed) when pressure around the body increases. This particular type of
damage is known as. - ✔️✔️Barotrauma
Boyle's Equation is - ✔️✔️P1xV1= P2xV2
Charles law is about the - ✔️✔️temperature-volume relationship
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,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Wednesday, July 31, 2024 9:10 AM
According to Charle's law, the volume in a flexible container,like a balloon, will
________ when the tempature increases (assuming the pressure remains constant). -
✔️✔️Increase proportionally
According to Charle's law, the temperature in a flexible container, like a balloon,
will______ when the volume increases (assuming the pressure remains constant) -
✔️✔️Increase proportionally
Gay-Lussac's law is about - ✔️✔️Temperature-pressure relationship
According to Gay-Lussac's law, the temperature in a rigid container, like a scuba tank or
a hyperbaric chamber, will______ when the pressure increases (assuming the volume
remains constant) - ✔️✔️Increase proportionally
According to Gay-Lussac's law, the temperature in a rigid container,like a scuba tank or
a hyperbaric chamber, will _______ when the pressure decreases (assuming the
volume remains constant) - ✔️✔️Decrease proportionally
Gay-Lussac's Law (in the hyperbaric chamber) is important to understand because
when we start increasing the pressure in the chamber, the patient is likely to -
✔️✔️Complain of being hot
Gay-Lussac's Law (in the hyperbaric chamber) is important to understand because
when we start decreasing the pressure in the chamber, the patient is likely to -
✔️✔️Complain of being cold
3
, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Wednesday, July 31, 2024 9:10 AM
"Adiabatic heating" and "adiabatic cooling" refer to - ✔️✔️The temperature rise and
temperature drop when chamber pressure changes
GAy-Lussac's Law (in scuba diving) is important to understand because when we start
increasing the pressure in a scuba tank (during a refill at the scuba shop), the tank will
get _____ during the refill_____ while it sits at room temperature. This will cause the
pressure of gas in the cylinder to _______ - ✔️✔️Warmer;cool;decrease
Gay-Lussac's Law ( in scuba diving) is important to understand because when we let a
full scuba cyllinder lay in the sun and heat up, the pressure in the tank will _______.
This could potentially cause_____. - ✔️✔️Increase; the scuba cyllinder to rupture
When working mathematical problems involving Charles' law law or Gay-Lussac's law, it
is necessary to convert the temperature from celcius to _____. To do this you _______ -
✔️✔️Kelvin; add 237 degrees
When working mathematical problems involving Charles' law or Gay-Lussac's law, it is
necessary to convert the temperature from fahrenheit to______. To do this you______ -
✔️✔️Rankine; add 460 degrees
Henry's law is about - ✔️✔️Gas in solution
A common example of Henry's law is - ✔️✔️A newly opened bottle of soda
Henry's law is involved in all of the following except; - ✔️✔️Increased intracrainal
pressure
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