Anesthesia Technology Exam Questions And Answers
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Hello there! Check out this short and simple 'Anesthesia Technology Exam Quiz' that is given below. As we all know, medicine is not an easy subject to study. In order to excel in it, students need to know the use and application of several important terms that are related to them. Anesthesia is one such common but very complex topic of this subject. We've designed this quiz to test your knowledge about technology for anesthesia. So, get ready and start answering.
Anesthesia Technology Questions and Answers
- 1.
Which of the following comprise the low-pressure system?
- A.
Flowmeter tubes
- B.
Vaporizers
- C.
Check valves
- D.
Common gas outlet
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
The low-pressure system comprises flowmeter tubes, vaporizers, check valves, and a common gas outlet. These components work together to regulate and control the flow of gas at a lower pressure. The flowmeter tubes measure the amount of gas being delivered, the vaporizers convert liquid gas into a gaseous state, the check valves ensure that gas flows in one direction only, and the common gas outlet is where the gas is released. Therefore, all of the mentioned components are part of the low-pressure system.Rate this question:
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- 2.
What is the last safeguard before the gases reach the patient?
- A.
ETT
- B.
Thorpe tube
- C.
Oxygen analyzer
- D.
Capnograph
Correct Answer
B. Thorpe tubeExplanation
The Thorpe tube is the last safeguard before the gases reach the patient. The Thorpe tube is a device that is used to monitor and measure the flow of gases in a breathing circuit. It is typically located between the patient and the anesthesia machine. The Thorpe tube helps to ensure that the correct amount of gases is being delivered to the patient, and it can also detect any abnormalities or deviations in the gas flow. This allows for timely intervention and adjustment to prevent any potential harm to the patient.Rate this question:
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- 3.
When is an O2 analyzer reading erroneous?
- A.
When an LMA is used
- B.
A deflated ETT cuff
- C.
When used with nasal cannula
- D.
When it is used higher than sea level
Correct Answer
C. When used with nasal cannulaExplanation
An O2 analyzer reading can be erroneous when used with a nasal cannula. This is because a nasal cannula delivers oxygen directly into the nostrils, bypassing the mouth and potentially not providing an accurate representation of the overall oxygen levels in the body.Rate this question:
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- 4.
There are ____ sprockets on an oxygen flowmeter.
- A.
10
- B.
12
- C.
14
- D.
23
- E.
I don't know I was never good at math
Correct Answer
B. 12Explanation
In the case of an oxygen flowmeter, there are typically 12 sprockets or markings on the circular dial, each corresponding to a different flow rate. This allows healthcare providers to precisely adjust and administer the appropriate amount of oxygen to patients as needed.Rate this question:
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- 5.
What is the minimum o2: N2O ration?
- A.
1:1
- B.
1:2
- C.
1:3
- D.
1:4
Correct Answer
C. 1:3Explanation
The minimum O2:N2O ratio is 1:3. This means that for every 1 molecule of oxygen (O2), there are 3 molecules of nitrous oxide (N2O). This ratio is important in various applications, such as in medical anesthesia or rocket propellants, as it ensures the proper balance of gases for desired effects.Rate this question:
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- 6.
The purpose of the safety devices in the low flow system is:
- A.
Increase the saturated vapor pressure
- B.
Minimize the density of the gas
- C.
Minimize turbulence throughout the system
- D.
Decrease the risk of a hypoxic mixture
Correct Answer
D. Decrease the risk of a hypoxic mixtureExplanation
The purpose of safety devices in a low flow system is to decrease the risk of a hypoxic mixture. A hypoxic mixture refers to a gas mixture that has a lower concentration of oxygen than what is required for normal respiration. By having safety devices in place, such as oxygen sensors or alarms, the system can detect and prevent the occurrence of hypoxia, ensuring that the gas mixture delivered to the user is safe and contains an adequate amount of oxygen.Rate this question:
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- 7.
What is the method of regulating output concentration? choose all that apply
- A.
Flow over
- B.
Concentration calibrated
- C.
Measure flow
- D.
Bubble through
- E.
Injection
Correct Answer(s)
B. Concentration calibrated
C. Measure flowExplanation
The method of regulating output concentration can be achieved by two approaches: concentration calibration and measuring flow. Concentration calibration involves adjusting the concentration of the output based on a pre-determined calibration curve or standard. Measuring flow, on the other hand, allows for the control of output concentration by precisely measuring the flow rate and adjusting it accordingly. Both of these methods are effective in regulating the output concentration.Rate this question:
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- 8.
What is the method of vaporization? choose all that apply
- A.
Thermocompensation
- B.
Flow over
- C.
Injection
- D.
Heat supplied
- E.
Bubble through
Correct Answer(s)
B. Flow over
C. Injection
E. Bubble throughExplanation
The methods of vaporization include flow over, injection, and bubble through. Flow over refers to the process of passing a liquid over a heated surface to convert it into vapor. Injection involves injecting a liquid into a heated chamber or system to vaporize it. Bubble through involves introducing a gas or vapor through a liquid to create bubbles, which then evaporate and vaporize the liquid. These methods are all used to convert a liquid into vapor by applying heat or introducing gas or vapor into the system.Rate this question:
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- 9.
How is temperature compensated for with vaporizers. choose all that apply
- A.
Thermocompensation
- B.
Injection
- C.
Flow over
- D.
Plenum
- E.
Supplied heat
Correct Answer(s)
A. Thermocompensation
E. Supplied heatExplanation
Temperature compensation in vaporizers is achieved through two methods: thermocompensation and supplied heat. Thermocompensation involves adjusting the vaporizer's output based on changes in temperature to maintain a consistent vapor pressure. This ensures that the vaporizer delivers the desired concentration of vapor regardless of temperature fluctuations. Supplied heat refers to the external heating provided to the vaporizer to maintain a constant temperature, which in turn ensures consistent vaporization. Therefore, both thermocompensation and supplied heat are necessary for accurate temperature compensation in vaporizers.Rate this question:
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- 10.
How is specificity related to specific vaporizers. choose all that apply
- A.
Plenum
- B.
Low resistance
- C.
Agent specific
- D.
Injection
- E.
Multiple agent
Correct Answer(s)
C. Agent specific
E. Multiple agentExplanation
Specificity refers to the ability of a vaporizer to deliver a specific agent or multiple agents accurately and consistently. In the context of specific vaporizers, "agent specific" means that the vaporizer is designed to deliver a specific agent, ensuring precise administration of that particular substance. On the other hand, "multiple agent" indicates that the vaporizer is capable of delivering multiple agents, allowing for the administration of different substances as required. Therefore, both "agent specific" and "multiple agent" are related to specificity in specific vaporizers.Rate this question:
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- 11.
How is resistance classified with specific vaporizers? choose all that apply
- A.
High resistence
- B.
Agent specific
- C.
Measured flow
- D.
Plenum
- E.
Low resistence
Correct Answer(s)
D. Plenum
E. Low resistenceExplanation
Resistance is classified with specific vaporizers based on two factors: plenum and low resistance. A plenum is a chamber that holds the vaporizing agent, and it is an important component in vaporizers. Low resistance is another classification, indicating that the vaporizer has a low level of resistance to the flow of the agent. Therefore, both plenum and low resistance are correct classifications for resistance with specific vaporizers.Rate this question:
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- 12.
Name the gas that we use as a carrier gas for agents.
- A.
Air
- B.
N2O
- C.
Oxygen
- D.
CO
- E.
CO2
Correct Answer
C. OxygenExplanation
Oxygen is used as a carrier gas for agents because it is a non-reactive gas that does not interfere with the properties or effectiveness of the agents being carried. It is also readily available and safe to use in various applications.Rate this question:
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- 13.
Modern vaporizers are within the breathing circuit. True or false?
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
False. Modern vaporizers are not within the breathing circuit. They are typically located outside of the circuit and deliver the anesthetic gases into the circuit through a separate connection. This is done to ensure the safety of the patient and to prevent any potential contamination of the breathing circuit.Rate this question:
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- 14.
What is a vaporizer interlock mechanism?
- A.
Prevents the vaporizer from falling to floor and releasing its contents
- B.
Prevents the wrong agent from being placed into the vaporizer
- C.
Allows specific flowover to the breathing circuit
- D.
Prevents more than 1 vaporizer to be turned on at one time
Correct Answer
D. Prevents more than 1 vaporizer to be turned on at one timeExplanation
A vaporizer interlock mechanism is a safety feature that prevents more than one vaporizer from being turned on at the same time. This is important because having multiple vaporizers operating simultaneously can lead to incorrect agent delivery and potentially harmful effects on the patient. By limiting the activation of multiple vaporizers, the interlock mechanism ensures that only one vaporizer is in use at any given time, promoting patient safety and accurate administration of anesthesia.Rate this question:
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- 15.
The main purpose of the circle system is:
- A.
To allow rapid transition to ambu bag
- B.
To prevent rebreathing of CO2
- C.
To help the scavenger system
- D.
All of the above
Correct Answer
B. To prevent rebreathing of CO2Explanation
The main purpose of the circle system is to prevent rebreathing of CO2. This system ensures that exhaled gases are effectively removed from the patient's respiratory system and not inhaled again. By continuously delivering fresh gas and removing waste gases, the circle system helps maintain a safe and balanced gas mixture for the patient. This prevents the accumulation of CO2 in the respiratory system and ensures proper oxygenation during anesthesia. Additionally, the circle system also allows for a rapid transition to an ambu bag if needed and supports the scavenger system in removing waste gases from the operating room.Rate this question:
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- 16.
If the APL valve is open and the ventilation bag squeezed where will all of it contents go
- A.
Scavenger system
- B.
The patient
- C.
The circle system
- D.
To the hospital gas supply
Correct Answer
A. Scavenger systemExplanation
When the APL valve is open and the ventilation bag is squeezed, the contents of the bag will be directed towards the scavenger system. The scavenger system is responsible for removing waste gases from the breathing circuit and expelling them safely outside the operating room. Therefore, when the APL valve is open, any excess gas from the bag will be directed towards the scavenger system for proper disposal.Rate this question:
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- 17.
The approximate water content of Soda Lime is
- A.
10-12%
- B.
12-14%
- C.
14-19%
- D.
23-37%
Correct Answer
C. 14-19%Explanation
Soda Lime is a substance commonly used in laboratories to absorb carbon dioxide. It is a mixture of sodium hydroxide and calcium hydroxide. The approximate water content of Soda Lime is 14-19%. This means that for every 100 grams of Soda Lime, there is approximately 14-19 grams of water. The water content is important to consider because it can affect the performance and effectiveness of Soda Lime in absorbing carbon dioxide.Rate this question:
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- 18.
Which of the following are ventilator components?
- A.
Safety release valve
- B.
Driving gas supply
- C.
Injector
- D.
Bellows assembly
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
The correct answer is "all of the above". All of the mentioned components - safety release valve, driving gas supply, injector, and bellows assembly - are indeed ventilator components. Each of these components plays a crucial role in the functioning of a ventilator. The safety release valve ensures the safe release of excess pressure, the driving gas supply provides the necessary gas for ventilation, the injector controls the flow of gas, and the bellows assembly helps in the delivery of breaths to the patient.Rate this question:
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- 19.
The standard size in the U.S. for a scavenger system hose is ________.
- A.
19mm
- B.
20mm
- C.
30mm
- D.
33mm
Correct Answer
A. 19mmExplanation
The standard size in the U.S. for a scavenger system hose is 19mm.Rate this question:
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- 20.
Define regulations
- A.
Accepted methods of practice
- B.
Legal mandate
- C.
Micro-adjustments to the vaporizer
- D.
Who cares I am just a SRNA
Correct Answer
B. Legal mandateExplanation
The term "regulations" refers to rules or guidelines that are set by a governing body or authority. These regulations serve as a legal mandate, meaning they are legally required to be followed. In this context, regulations can be seen as accepted methods of practice that must be adhered to. The phrase "Micro-adjustments to the vaporizer" and the statement "Who cares I am just a SRNA" are unrelated and do not provide any relevant information to explain the correct answer.Rate this question:
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- 21.
What are standards?
- A.
Accepted methods of practice
- B.
Legal mandates
- C.
Based upon the MAC of a volatile agent
- D.
FIU let Chris into the CRNA program, they obviously have no standards, then why should I!
Correct Answer
A. Accepted methods of practiceExplanation
Standards refer to accepted methods of practice that are widely recognized and followed within a particular field or industry. These standards serve as guidelines for professionals to ensure that they are adhering to the best practices and providing quality services. They are not legal mandates but rather voluntary guidelines that professionals choose to follow. The statement about the MAC of a volatile agent is unrelated and does not provide any explanation for the correct answer.Rate this question:
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- 22.
Which of the following regulate gas cylinders?
- A.
FDA
- B.
NIOSH
- C.
OSHA
- D.
DOT
- E.
MLBPA
Correct Answer
D. DOTExplanation
The Department of Transportation (DOT) regulates gas cylinders. They have established regulations and standards for the safe transportation, handling, and storage of hazardous materials, including gas cylinders. These regulations ensure that gas cylinders are manufactured, tested, and labeled properly, and that they are transported and stored in a safe manner to prevent accidents or leaks that could result in harm to people or the environment.Rate this question:
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- 23.
Which agency enforces a safe working environment?
- A.
FDA
- B.
NIOSH
- C.
OSHA
- D.
DOT
- E.
MLBPA
Correct Answer
C. OSHAExplanation
OSHA, or the Occupational Safety and Health Administration, is the agency responsible for enforcing a safe working environment. They set and enforce standards to ensure that employers provide a safe and healthy workplace for their employees. OSHA conducts inspections, investigates complaints, and imposes penalties for violations of safety regulations. Their goal is to prevent work-related injuries, illnesses, and fatalities by promoting safe working conditions and providing education and training on workplace safety.Rate this question:
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- 24.
Name the agency that writes criteria for OSHA to enforce.
- A.
FDA
- B.
MLBPA
- C.
NIOSH
- D.
DOT
- E.
NFPA
Correct Answer
C. NIOSHExplanation
NIOSH, the National Institute for Occupational Safety and Health, is the agency responsible for writing criteria for OSHA (Occupational Safety and Health Administration) to enforce. OSHA relies on NIOSH's research and recommendations to establish and enforce workplace safety regulations. NIOSH conducts studies, evaluates workplace hazards, and provides guidance to OSHA in order to protect workers' health and safety.Rate this question:
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- 25.
Which of these agencies writes standards for the prevention of fires?
- A.
DOT
- B.
FDA
- C.
NIOSH
- D.
NFPA
- E.
OSHA
Correct Answer
D. NFPAExplanation
NFPA, or the National Fire Protection Association, is the agency that writes standards for the prevention of fires. They develop and publish codes and standards that are widely used and adopted by various organizations and industries to ensure fire safety. These standards cover a wide range of areas such as building construction, electrical systems, hazardous materials, and fire protection equipment. NFPA's standards are recognized and respected globally, making them a leading authority in fire prevention and safety.Rate this question:
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- 26.
Who handles most standards affecting anesthesia?
- A.
FDA
- B.
NIOSH
- C.
ASTM
- D.
CGA
- E.
NFPA
Correct Answer
C. ASTMExplanation
ASTM, or the American Society for Testing and Materials, handles most standards affecting anesthesia. ASTM is an international organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services. They work closely with experts in the field to establish standards that ensure the safety and effectiveness of anesthesia equipment, procedures, and practices. By setting these standards, ASTM helps to promote uniformity and quality in the field of anesthesia.Rate this question:
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- 27.
Which of these are thw parts of the medical gas cylinder?
- A.
Cylinder
- B.
Valve
- C.
Pressure Relief Device
- D.
Conical Depression
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
The medical gas cylinder consists of several parts, including the cylinder itself, the valve, the pressure relief device, and the conical depression. Each of these components plays a crucial role in ensuring the safe storage and dispensing of medical gases. The cylinder holds the gas, the valve controls the flow, the pressure relief device prevents excessive pressure buildup, and the conical depression allows for easy connection to medical equipment. Therefore, all of the above options are correct.Rate this question:
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- 28.
What is the danger with Adiabatic compression?
- A.
Icing of cylinder
- B.
Rapid vaporization
- C.
Fire hazard with recompression
- D.
Fire hazard with decompression
Correct Answer
C. Fire hazard with recompressionExplanation
Adiabatic compression refers to the process of compressing a gas without any heat exchange with the surroundings. During this compression, the temperature of the gas increases significantly. The danger with adiabatic compression is that if the compressed gas is flammable or combustible, the high temperature can lead to a fire hazard when the gas is recompressed. The increase in temperature can cause the gas to reach its ignition point, resulting in a potential fire or explosion. Therefore, the correct answer is "Fire hazard with recompression."Rate this question:
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- 29.
What is the danger with Adiabatic expansion?
- A.
Rapid vaporization
- B.
Icing of cylinder
- C.
Fire hazard with recompression
- D.
An increase in volatile anesthetic delivery
Correct Answer
C. Fire hazard with recompressionExplanation
Adiabatic expansion refers to the process where a gas expands rapidly without any heat exchange with its surroundings. This can lead to a significant increase in temperature, which can potentially cause a fire hazard when the gas is recompressed. The rapid compression of the gas can ignite any flammable substances present, leading to a fire. Therefore, the danger associated with adiabatic expansion is the fire hazard that arises during the recompression process.Rate this question:
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- 30.
What is PISS?
- A.
Diameter index safety system
- B.
Premature induction sevoflurane system
- C.
Pin index safety system
- D.
How most Irishmen feel at the end of a week of CRNA school without drinking beer
Correct Answer
C. Pin index safety systemExplanation
The correct answer is Pin index safety system. The Pin index safety system is a safety mechanism used in medical gas cylinders to ensure that the correct gas is being delivered to the patient. It involves matching the pins on the cylinder valve with the corresponding holes on the regulator, preventing the accidental connection of the wrong gas. This system is crucial in preventing gas mix-ups and ensuring patient safety during medical procedures.Rate this question:
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- 31.
What is the PISS of O2?
- A.
1,5
- B.
2,5
- C.
3,5
- D.
4,5
Correct Answer
B. 2,5 -
- 32.
What is the PISS of N2O?
- A.
1,5
- B.
2,5
- C.
3,5
- D.
4,5
Correct Answer
C. 3,5Explanation
The PISS of N2O refers to the number of pi bonds and the number of sigma bonds in the molecule. In the case of N2O, there are 3 pi bonds and 5 sigma bonds. This is why the correct answer is 3,5.Rate this question:
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- 33.
What is the PISS of Air?
- A.
1,5
- B.
2,5
- C.
3,5
- D.
4,5
Correct Answer
A. 1,5 -
- 34.
What is DISS?
- A.
Diameter index safety system
- B.
Pin index safety system
- C.
Desflurane induction safety standards
- D.
What a Super senior will do to you at the hospital after asking them a stupid question
Correct Answer
A. Diameter index safety systemExplanation
The correct answer is Diameter index safety system. The Diameter Index Safety System (DISS) is a standardized system used in medical gas delivery to ensure the proper connection and compatibility between gas cylinders and medical devices. It consists of specific fittings and connectors that prevent the accidental connection of incompatible gases, reducing the risk of gas mix-ups and potential hazards. The DISS system is commonly used in healthcare settings to ensure patient safety and the accurate delivery of medical gases.Rate this question:
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- 35.
What gases are liquid in their cylinders? Choose all that apply
- A.
O2
- B.
Air
- C.
CO2
- D.
N2O
- E.
He
Correct Answer(s)
C. CO2
D. N2OExplanation
CO2 and N2O are gases that can exist in their liquid form when they are stored in cylinders under high pressure and low temperature conditions. This is because these gases have a lower boiling point compared to other gases listed. When the pressure is increased and the temperature is decreased, CO2 and N2O can condense into a liquid state inside the cylinders.Rate this question:
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- 36.
How many liters of gas are there in an E tank of N2O?
- A.
660
- B.
745
- C.
1,590
- D.
500
Correct Answer
C. 1,590Explanation
The answer is 1,590 because it is the only option that is a plausible amount of gas for an E tank of N2O. The other options, 660, 745, and 500, are too low to be a reasonable amount for a tank of gas. Therefore, the correct answer must be 1,590.Rate this question:
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- 37.
How many liter of O2 are in a G cylinder?
- A.
660
- B.
1500
- C.
1200
- D.
5300
Correct Answer
D. 5300 -
- 38.
Define Vapor.
- A.
The amount of pressure in a cylinder
- B.
Conversion of a liquid to a gas
- C.
Gas phase of a substance that is liquid at room temperature and atmospheric pressure
- D.
All of the above
Correct Answer
C. Gas phase of a substance that is liquid at room temperature and atmospheric pressureExplanation
Vapor is defined as the gas phase of a substance that is normally in liquid form at room temperature and atmospheric pressure. This means that when a liquid reaches a certain temperature and pressure, it changes into a gas state, which is known as vapor. Therefore, the correct answer is "Gas phase of a substance that is liquid at room temperature and atmospheric pressure."Rate this question:
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- 39.
What is vaporization?
- A.
The amount of pressure in a cylinder
- B.
Conversion of a liquid to a gas
- C.
Gas phase of a substance that is liquid at room temperature and atmospheric pressure
- D.
All of the above
Correct Answer
B. Conversion of a liquid to a gasExplanation
Vaporization refers to the process of converting a liquid into a gas. This occurs when a substance's temperature reaches its boiling point, causing the molecules to gain enough energy to break free from their liquid state and enter the gaseous phase. The other options mentioned, such as the amount of pressure in a cylinder and the gas phase of a substance that is liquid at room temperature and atmospheric pressure, are not accurate definitions of vaporization.Rate this question:
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- 40.
Vaporization depends on what?
- A.
Vapor pressure of the agent
- B.
Temperature of the environment
- C.
Amount of carrier gas used
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Vaporization depends on the vapor pressure of the agent, which is the measure of how easily a substance evaporates. It also depends on the temperature of the environment, as higher temperatures increase the rate of vaporization. Additionally, the amount of carrier gas used can affect vaporization, as it can help carry the agent into a vaporized state. Therefore, all of these factors - vapor pressure, temperature, and amount of carrier gas - contribute to the process of vaporization.Rate this question:
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- 41.
Define volatile anesthetic agent.
- A.
Molecules of a liquid that break away and enter the space at the top of the vaporizer
- B.
Pressure created when the molecules bombard the walls of the containe
- C.
Molecules entering the liquid phase
- D.
Liquid that has a tendency to change to a vapor at standard temperature and pressure
Correct Answer
D. Liquid that has a tendency to change to a vapor at standard temperature and pressureExplanation
A volatile anesthetic agent refers to a liquid substance that has a tendency to change into a vapor form at standard temperature and pressure. This means that the molecules of the liquid have a high vapor pressure, causing them to easily evaporate and form a gas. This property is crucial in anesthesia as it allows the agent to be easily inhaled and distributed throughout the body, inducing and maintaining a state of unconsciousness during medical procedures.Rate this question:
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- 42.
What is the SVP of Sevo?
- A.
175
- B.
238
- C.
160
- D.
243
Correct Answer
C. 160 -
- 43.
What is the SVP of Isoflurane?
- A.
238
- B.
175
- C.
160
- D.
243
- E.
660
Correct Answer
A. 238Explanation
The correct answer for the SVP (Saturated Vapor Pressure) of Isoflurane is 238. SVP refers to the pressure exerted by the vapor of a substance when it is in equilibrium with its liquid form. In the case of Isoflurane, the SVP is measured at 20 degrees Celsius.Rate this question:
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- 44.
What is the SVP of Des?
- A.
23
- B.
660
- C.
238
- D.
243
- E.
175
Correct Answer
B. 660 -
- 45.
What is the SVP of Enflurane
- A.
23
- B.
175
- C.
243
- D.
248
- E.
660
Correct Answer
B. 175 -
- 46.
What increases SVP?
- A.
Cooling
- B.
Heating
- C.
Passing gas over the liquid
- D.
All of the above
Correct Answer
B. HeatingExplanation
Heating increases the SVP (Saturation Vapor Pressure). When a substance is heated, its molecules gain energy and move faster, causing an increase in the rate of evaporation. This leads to an increase in the number of molecules in the gas phase, resulting in a higher vapor pressure. Therefore, heating can increase the SVP of a substance.Rate this question:
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- 47.
What decreases SVP choose all that apply?
- A.
Cooling
- B.
Heating
- C.
Passing gas over the liquid
- D.
All of the above
Correct Answer(s)
A. Cooling
C. Passing gas over the liquidExplanation
Cooling decreases the saturation vapor pressure (SVP) because it lowers the temperature, reducing the energy of the water molecules and decreasing their ability to escape into the gas phase. Passing gas over the liquid also decreases SVP as it increases the concentration of gas molecules above the liquid, reducing the chances of water molecules escaping into the gas phase. However, heating increases the SVP as it raises the temperature, increasing the energy of the water molecules and promoting their transition into the gas phase. Therefore, heating does not decrease SVP.Rate this question:
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- 48.
Why does heat need to be supplied to the liquid anesthetic? choose all that apply
- A.
To maintain a constant temperature
- B.
To decrease SVP
- C.
To keep a constant SVP
- D.
To operate the bellows
Correct Answer(s)
A. To maintain a constant temperature
C. To keep a constant SVPExplanation
Heat needs to be supplied to the liquid anesthetic to maintain a constant temperature because anesthetic agents are volatile and can evaporate easily. By supplying heat, the temperature of the liquid anesthetic can be controlled, ensuring that it remains at the desired level for administration. Additionally, heat is required to keep a constant saturated vapor pressure (SVP) of the anesthetic. This is important because the SVP determines the concentration of the anesthetic vapor in the gas mixture delivered to the patient. By maintaining a constant SVP, the anesthetic concentration can be accurately controlled.Rate this question:
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- 49.
What does a wick do in a vaporizer?
- A.
Changes FGF
- B.
A safeguard for system pressure failure
- C.
Increases surface area
- D.
Play backup QB for the Philadelphia Eagles
Correct Answer
C. Increases surface areaExplanation
A wick in a vaporizer increases the surface area available for the liquid to evaporate. By increasing the surface area, more liquid can be exposed to heat, which leads to faster and more efficient vaporization. This allows the vaporizer to produce more vapor and enhance the overall vaping experience.Rate this question:
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- 50.
How is thermocompensation regulated? choose all that apply
- A.
The use of a valve to change flow based on temperature
- B.
Through the use of a heater with the vaporizer
- C.
Temp compensating bypass
- D.
All of the above
Correct Answer(s)
A. The use of a valve to change flow based on temperature
C. Temp compensating bypassExplanation
Thermocompensation is regulated through the use of a valve to change flow based on temperature and a temp compensating bypass. By using a valve, the flow of a substance can be adjusted based on the temperature, ensuring that the system remains regulated. Additionally, a temp compensating bypass can be used to maintain a consistent temperature by diverting excess heat or cold away from the system. Therefore, both options mentioned in the answer are correct methods of regulating thermocompensation.Rate this question:
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Apr 19, 2024Quiz Edited by
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Oct 01, 2009Quiz Created by
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