# Gas Laws And Anesthesia Quiz! Trivia Quiz

50 Questions | Total Attempts: 708

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• 1.
What does Boyle's law state?
• A.

At a constant volume, the pressure of a gas is directly proportional to the temperature.

• B.

The amount of gas dissolved in a liquid is directly proportional to the partial pressure of the gas over the liquid and indirectly proportional to temperature.

• C.

At a constant temperature, the volume of a gas varies inversely with the pressure.

• D.

The total pressure of a mixture of gases in a closed container at a given temperature is equal to the sum of the pressure that each gas exerts

• 2.
What does Gay-Lusaac's law state?
• A.

At a constant volume, the pressure of a gas is directly proportional to the temperature.

• B.

The amount of gas dissolved in a liquid is directly proportional to the partial pressure of the gas over the liquid and indirectly proportional to temperature.

• C.

At a constant temperature, the volume of a gas varies inversely with the pressure.

• D.

The total pressure of a mixture of gases in a closed container at a given temperature is equal to the sum of the pressure that each gas exerts.

• 3.
When in the middle of a case your CO2 absorbent turns purple. What would you do?
• A.

Change the canister, to get rid of exhausted CO2 absorber

• B.

Kiss their forehead and wish them the best of luck

• C.

Increase Fresh Gas Flow, to compensate for exhausted CO2 absorbent

• D.

Increase their Respiratory rate to blow off excess CO2

• 4.
You are going to do a peripheral nerve block on a patient and are using Ultrasound to assist you. What would you want to use on your Ultrasound?
• A.

Low Frequency to produce a high resolution

• B.

High frequency to produce a high resolution

• C.

Low frequency to penetrate deep into tissue

• D.

High frequency to penetrate deep into tissue

• 5.
Which of these is NOT a distinguishing property of gases?
• A.

Strong intermolecular forces

• B.

High Velocity

• C.

Expand & compress easily

• D.

High degree of random Motion

• 6.
During your pre-op assessment, you find your pt has pulmonary edema. How will this affect the Diffusion of your gases?
• A.

Increase Distance across membrane, and Increase diffusion

• B.

Increase Distance across membrane and decrease diffusion

• C.

Decrease distance across membrane and increase diffusion.

• D.

Decrease distance across membrane and decrease diffusion.

• 7.
What is a good example of Graham's Law in Anesthesia practice?
• A.

The Venturi Mask effect where increasing velocity of flow decreases pressure exerted on walls of tube.

• B.

Being aware of how air flows through larger (turbulent) and smaller (laminar) airways within lungs.

• C.

Determining the partial pressure of O2 in a cylinder of air.

• D.

Realizing that CO2 diffuses 20x faster than O2 due to increased solubility of CO2.

• 8.
When choosing an IV gauge, you want to choose a larger bore IV in order to increase the radius of the tube and thereby increase flow. This is an example of which law?
• A.

Poiseuille’s Law

• B.

Dalton’s Law

• C.

Bernoulli’s Law

• D.

Charles Law

• 9.
Give an Example of a colloid.
• A.

0.9 NS

• B.

Cough Syrup

• C.

Hespan

• D.

Lactated ringers

• 10.
At 20 C the pressure inside your cylinder is 800 psi. If you increase your temp to 30 C what will your pressure be?
• A.

400 psi

• B.

1600 psi

• C.

530 psi

• D.

1200 psi

• 11.
When would hypothermia be useful intra-operatively?
• A.

During a debridement of a Burn patient

• B.

To decrease morbidity by decreasing risk of developing coagulopathies

• C.

During a major Neurologic surgery to reduce CBF & cerebral metabolic requirement

• D.

To increase GFR and speed up recovery

• 12.
How much air space should there be in a CO2 absorber?
• A.

Equal to Tidal Volume

• B.

2-3 times the Tidal Volume

• C.

2 L/min

• D.

Minimal air space should be allowed.

• 13.
At sea level, the volume of a gas is 800ml. If you decrease the atmospheric pressure to 608 mm Hg what will the volume of gas be now?
• A.

1200 ml

• B.

1600 ml

• C.

1000 ml

• D.

640 ml

• 14.
Which statement best defines diffusion?
• A.

When the numbers of molecules entering and exiting the liquid phase become equal.

• B.

The movement of SOLVENT ONLY across a semipermeable membrane from an area of low concentration, to an area of high concentration

• C.

The movement of SOLVENT & SOLUTE across a permeable membrane from an area of high concentration to an area of low concentration

• 15.
A Hypotonic solution may do what to the cells of the body?
• A.

The cell to shrink

• B.

Nothing, the osmolar pressures are equal

• C.

The cell to become really muscular

• D.

The cell swells, and burst

• 16.
Where would you find Laminar flow in the body?
• A.

Terminal Bronchioles

• B.

Carina

• C.

Larger Airways

• D.

Blood Flowing into the heart

• 17.
Which statement is NOT TRUE regarding the flow of solutions?
• A.

The greater the inflow is on one side of the tube than the outflow pressure is on the opposite side of the tube (pressure gradient)the greater the flow

• B.

• C.

Halving of the radius decreases flow by half

• D.

Tripling the radius increases flow 81 fold

• 18.
Which one of the following is a good example of Bernoulli's law?
• A.

Being aware of how air flows through larger (turbulent) and smaller (laminar) airways within lungs.

• B.

The Venturi Mask effect where increasing velocity of flow decreases pressure exerted on walls of tube.

• C.

Determining the partial pressure of O2 in a cylinder of air.

• D.

Realizing that CO2 diffuses 20x faster than O2 due to increased solubility of CO2.

• 19.
What is the chemical reaction that occurs within the C02 absorber?
• A.

Reduction

• B.

Oxidation

• C.

Neutralization

• D.

Hydrolysis

• 20.
What is the MAIN component of SodaLyme?
• A.

CaOH

• B.

NaOH

• C.

KOH

• D.

H2O

• 21.
What harmful substance is Desflurane known to cause more than other anesthetic agents upon a breakdown in a CO2 absorber?
• A.

Trifluoroacetylic acid

• B.

Compound A

• C.

• D.

Carbon Monoxide

• 22.
What are the measurement units used to define Macroshock?
• A.

Volts

• B.

Ampere

• C.

Milliampere (mA)

• D.

Hertz

• 23.
Electrocautery (Bovie) is used in surgery to provide homeostasis by burning blood vessels via an electrical current discharged from the machine to the patient. The energy is returned to the patient via a dispersive plate. Which surface is the best choice, from below, to place the dispersive plate?
• A.

Thigh or Back

• B.

On Big toe

• C.

Neck

• D.

Wrap around pointer finger

• 24.
The Sagittal plane divides the body into
• A.

Left and Right

• B.

Superior and Inferior

• C.

Anterior and Posterior

• D.

Right and Wrong

• 25.
What is the biggest concern when working in an operating room using lasers?
• A.

Bathroom breaks because laser surgeries are very long

• B.

Looking cool in whatever color glasses you are wearing

• C.

What music the surgeon is playing

• D.

Patient and Staff eye protection