Anesthesia Machine (P1) Practice Tet

These questions are part of the practice quiz. Start practicing

• High priority alarms on an anesthesia workstation can be:
• How is the pressure sensor shut-off valve held open in the fail-safe design system?
• What is the significance of a gas having a critical temperature?
• What is the molecular formula for oxygen gas?
• What is an indication that the anesthesia machine is functioning correctly?
• Monitoring which type of gas is essential for ensuring safety in the use of inhalational anesthetics?
• At room temperature, what state is oxygen found in based on its critical temperature?
• What is essential for the high-pressure system in an anesthesia machine?
• What is the purpose of the Key Index Safety System (KISS)?
• Which pressure measurement is zeroed to atmospheric pressure?
• Why are pressure regulators necessary when using cylinder gas supply?
• What do flowmeters in an anesthesia machine do?
• Which gauge measures high cylinder pressure relative to atmospheric pressure?
• At what temperature is oxygen's critical temperature defined?
• What safety feature does a fusible plug provide for gas cylinders?
• When conducting a pre-use checkout of an anesthesia machine, what should be verified?
• In the hanger yoke mechanism, which direction does the plunger move when the cylinder pressure is greater than the pressure on the machine side?
• What is 0 psiG equivalent to in atmospheric pressure?
• What component tightens the cylinder in the yoke and creates a gas-tight seal?
• How do electronically measured flowmeters differ from flowtubes?
• Why are the electrical outlets on the back of the anesthesia machine designated specifically for anesthetists’ use?
• Which type of valve is characterized as an "all or nothing" valve, commonly found in flush mechanisms?
• What is the purpose of high priority low oxygen pressure alarms in anesthesia machines?
• True or False: The battery charger and outlets on the anesthesia machine continue to function even when the master switch is "off."
• Which device is responsible for controlling the concentration of anesthetic agents?
• What does the Diameter Index Safety System (DISS) ensure?
• When does the pneumatic Draeger system shut off N2O flow?
• What is the critical pressure of nitrous oxide in psi?
• What does the power failure indicator in an anesthesia workstation do?
• What is the role of the indicator float in a rotameter?
• As the orifice of the thrope tube widens, what change is required to maintain a constant pressure?
• What pressure does the intermediate system hold when the master switch is turned "OFF"?
• How is the reading of bobbins in an Ohmeda flowmeter determined?
• What is the minimum oxygen flow required when the anesthesia machine is operational?
• What is the typical output pressure from a regulator valve on an oxygen cylinder?
• Which component connects the supply hose to the anesthesia machine?
• What is the function of a double yoke system in anesthesia machines?
• Which monitor is required to provide an alarm for inspired oxygen levels?
• True or False: One flowmeter can control multiple gases.
• What is the purpose of leak testing in the anesthesia machine setup?
• Do electronic anesthesia machines perform a system checkout upon powering on?
• Which valves are specifically noted for reducing pressure in the anesthesia machine?
• Which of the following ensures that gas flows only in one direction in the hanger yoke?
• What is defined as the highest temperature at which a substance can exist as a liquid?
• What is the flow capacity of high flow meters in an anesthesia machine?
• What does the High Pressure System (HPS) refer to?
• What device must always be used with pipeline supply to avoid delivery of hypoxic mixtures?
• What is the approximate boiling point of oxygen in Celsius?
• What is the role of a second stage regulator in the oxygen supply system?
• Where should the indicator of pipeline pressures be located in relation to the check valve?
• What is the purpose of the Sensitive Oxygen Ratio Controller (S-ORC) in newer machines?
• What mechanism allows for the replacement of empty cylinders with full ones without losing gas?
• What type of pressure test must be conducted on cylinders at least every 5 years?
• What type of alarms must be automatically enabled prior to the use of the anesthesia workstation?
• What is the function of filter and check valves in the pipeline supply?
• How many cubic feet of gas does 1 cubic foot of liquid oxygen produced at -183C yield at 21C?
• In the absence of piped gas, what type of yoke system is advisable for use, especially for oxygen?
• True or False: There should be unidirectional flow of gas through the yoke, which can be checked via valve assembly.
• In the context of O2 analyzers, what is the role of the control valve?
• What is a requirement for gas cylinders concerning their testing and labeling?
• What is the primary function of a regulator in an anesthesia machine?
• The pin index safety system on an anesthesia machine is designed to:
• What is one of the five primary uses of oxygen in anesthetic practice?
• What happens if the electrical load exceeds the circuit’s capacity on the anesthesia machine?
• How does the Pin Index Safety System (PISS) function?
• What are the two types of flow adjustment controls on flowmeters?
• What essential safety measure is provided by the use of O2 analyzers in anesthesia equipment?
• What component in the hanger yoke helps remove particulate matter?
• What should the immediate response be to an oxygen disconnection during anesthesia?
• At what oxygen pressure does the mechanical Ohmeda system shut off N2O flow?
• At what critical temperature does oxygen transform into a liquid under sufficient pressure?
• What does the term "hydrostatic pressure test" refer to in the context of gas cylinders?
• What is a potential outcome when O2 analyzers fail to function properly?
• Which of the following is true regarding the handling of empty cylinders?
• Why is the cylinder closed when the pipeline supply is in use?
• What can cause stuck check valves in the pipeline supply?
• The anesthesia workstation receives compressed gas from which two sources?
• What does 0 psiG equal in psiA?
• When pipeline supply is in use, how should the cylinder be positioned via the check valve?
• What feature must the electrical supply cord have in an anesthesia workstation?
• When are flowmeters typically used in anesthesia?
• Which of the following should NEVER be done according to safe handling practices of anesthesia cylinders?
• Which condition could occur if the flowmeter's stem or seat becomes blocked?
• What is a potential risk when using the oxygen flush too frequently?
• What is the minimum pressure required to liquefy a substance at its critical temperature called?
• Which device is responsible for further reducing gas pressure in an anesthesia machine?
• To which part of the system does the anesthesia workstation deliver the gas mixture?
• Which physical property of gas affects low flow measurement in a thrope tube?
• What is the minimum required backup battery life for an anesthesia workstation?
• What can cause downstream leaks that may lead to hypoxic mixtures?
• Which alarm type is associated with an oxygen supply failure?
• Which of the following is a characteristic of pipeline supply pressure?
• What role does the in-line filter serve in the pipeline gas supply?
• Floating valves in an anesthesia system are primarily designed to:
• What is the order of gas flow in the anesthesia workstation before reaching the patient circuit?
• How does the anesthesia workstation enhance patient safety?
• How many common gas outlets are available on the anesthesia workstation?
• What is the molecular weight of O2?
• Which of the following is NOT a component of the pipeline gas supply?
• What allows the HPS to reduce the high pressure from gas cylinders?
• What is essential for proper function and safety of the anesthesia machine's gas supply system?
• Why might it be dangerous if the master switch is accidentally flipped "off" during a procedure?
• True or False: The anesthesia workstation is designed to remove excess anesthetic gas from the breathing system.
• What is the role of the connecting supply hoses in the anesthesia machine pipeline?
• What does "constant pressure, variable orifice" indicate about mechanical flow meters?
• What is the critical pressure of oxygen in psiA?
• What is the outer diameter of the common gas outlet on the anesthesia workstation?
• Cylinders must be constructed according to specifications and must include which of the following?
• How should a machine be oriented to prevent a bobbin from sticking?
• What is the state of nitrous oxide at room temperature given its critical temperature?
• What is a function of the oxygen failure safety device?
• Which organization is NOT responsible for the regulation of cylinders?
• What may happen if there are construction-related cross connections in pipeline supply?
• Where is the master switch typically located in an anesthesia machine?
• What is the boiling point of oxygen?
• The gas supplied by the anesthesia workstation is known for its specific what?
• In an Ohmeda system, how is the proportioning system linked?
• True or False: The power failure indicator only provides visual alerts.
• What do vaporizers prevent by having interlocks and liquid level indicators?
• What does the bag/vent selector switch do?
• What happens to the system checkout process if the electronic anesthesia machine is turned on?
• Before entering the flowmeter, airflow from the supply source must pass through which component?
• What is the formula for Ohm's law related to flow?
• What happens if the diameter of a thrope tube is incorrectly used for a gas?
• What type of gauge is typically used to display cylinder pressure for gases?
• What is the accuracy range of thrope tubes at room temperature and 760 mmHg?
• Which gas is NOT typically included in the pipeline systems of anesthesia workstations?
• What happens to gas flow if the retaining screw is not properly tightened?
• What mechanism inside the hanger yoke responds to pressure to open and close?
• At what pressure does the oxygen supply trigger the fail-safe valve for N2O and other gases?
• How does the hanger yoke system ensure a gas-tight seal?
• What does the second-stage pressure regulator help to eliminate in gas delivery?
• What is indicated by a high priority pressure alarm sounding?
• Which of the following is NOT a reason why hypoxic mixtures may occur?
• Which part of the flowmeter is responsible for controlling gas flow?
• What happens if oxygen pressure falls below 30 psig?
• Which is NOT a name for the oxygen failure safety device?
• What should you do if you lose oxygen pipeline pressure during a procedure?
• In relation to DISS, what does it prevent?
• What occurs in the machine upon complete oxygen pipeline failure?
• True or False: The check valve assembly of the hanger yoke system acts as a permanent seal for empty yokes.
• What type of gas is specifically mentioned as a third inert gas that can lead to hypoxic mixtures?
• What happens if the nipple of the hanger yoke is damaged?
• What is the critical temperature of oxygen in Celsius?
• In which direction should the flowmeter be turned to increase gas flow?
• Disconnect alarms that alert staff about patient disconnection are based on which factors?
• Why is oxygen stored in large tanks as a liquid?
• What are the components of the electrical supply in an anesthesia workstation?
• In a Drager system, how is the proportioning system linked?
• How many psi does a nitrous oxide cylinder have until fully liquid depleted?
• How does the fail-safe design system function in an anesthesia machine?
• What should be done with the flow control valve if the gas source remains connected?
• Which gas flowmeter is always positioned last or rightmost on the anesthesia machine?
• What component is critical for controlling gas flow and ensuring safety in the anesthesia workstation?
• What is the significance of having a digital data interface in an anesthesia workstation?
• Which feature is critical for the fail-safe design system in anesthesia machines?
• From where does the intermediate pressure system of the anesthesia machine receive gases?
• To ensure accurate gas flow measurements, how should the flowmeter be maintained?
• What is the primary function of the second-stage pressure regulator in an anesthesia machine?
• Why is the oxygen flowmeter positioned downstream of other gases in the workstation?
• What is the molecular weight (MW) of nitrous oxide?
• Which flowmeter is positioned closest to the common gas outlet?
• Which of the following statements about high priority alarms is FALSE?
• What is the purpose of reserve power on the anesthesia machine?
• Why are cylinders required to have a pressure indicator?
• What is the boiling point of nitrous oxide at 1 atm in Celsius?
• What is a potential issue with flow meters if the knob is worn?
• What feature ensures flowmeters in an anesthesia machine are safe to operate?
• Why is the proper use of O2 analyzers considered vital in anesthesia practice?
• Which gases are primarily responsible for powering the anesthesia machine?
• What is the purpose of performing abbreviated checks between each anesthetic administration?
• What is one maintenance issue that could compromise the functionality of an oxygen analyzer?
• What mechanism prevents a hypoxic mixture of gases, particularly nitrous oxide?
• According to industry standards, when should the anesthesia workstation be checked?
• O2 analyzers are essential for detecting the presence of what type of gas mixtures?
• What components make up the backup cylinder supply?
• Which of the following is a priority alarm level in the anesthesia workstation?
• What effect does increasing O2 flow have on the thrope tube's ball position?
• What aspect of anesthesia machine operation is greatly impacted by the functionality of O2 analyzers?
• Which system is associated with pipeline supply and which is associated with cylinders?
• In an anesthesia workstation, what is indicated by the presence of a check valve?
• According to Boyle's law, what is the equation that relates pressure and volume?
• What is the maximum leakage allowed between the pipeline inlet and the flow control valve?
• Which scenario can lead to the occurrence of hypoxic mixtures that an O2 analyzer would detect?
• The flowmeters deliver gas to the patient through which outlet?
• What is described as the principal framework and supporting structure in a hanger yoke?
• What is the pressure regulation setting for pipeline sources of bulk gas supply to the anesthesia machine?
• How is the Oxygen control knob on a flowmeter uniquely identified?
• What is a "thrope tube" used for in anesthesia machines?
• In the United States, what are the colors of air cylinders on the outside?
• What is the consequence of relying solely on the color of a cylinder for identification?
• Which component directly fits into the port on the cylinder valve in a hanger yoke?
• Why is it essential to plug the anesthesia machine into a designated outlet?
• What makes it possible for wrong supply gases to be detected by O2 analyzers?
• What type of contamination may be present in pipeline gas supply?
• Which material are fusible plugs made from, and what is their safety feature?
• What may cause a cross connection of supply pipelines in the pipeline supply?
• What should be done if the circuit breaker is activated on the anesthesia machine?
• What is the primary purpose of an anesthesia workstation?
• What is the typical oxygen ratio in the hypoxic guard system?
• What is the flow rate delivered by the oxygen flush in an anesthesia machine?
• What is the purpose of the nipple in the hanger yoke?
• What serves as a backup in an anesthesia workstation?
• Mechanical flowmeters are also referred to as what?
• How much pressure does the second-stage regulator reduce oxygen to?
• What is required of piping used to connect components inside an anesthesia machine?
• Which law is used to measure flow past a resistance and relates to pressure drop?
• What is the acceptable range for pipeline pressure in psig?
• What is monitored to ensure safety in the breathing circuit during anesthesia?
• Which component is NOT part of the pipeline supply to the anesthesia machine?
• What is the minimum pipeline pressure required for the machine to use pipeline gas?
• Which component should be checked to ensure proper operation of the anesthesia workstation?
• What is essential for safe practice in anesthesia administration?
• What could cause a failure of the oxygen fail-safe device?
• What is the role of the washer in the hanger yoke?
• Which component is NOT part of a rotameter?
• What is the function of a proportioning system in anesthesia?
• When should flow control valves be opened in relation to gas pressure?
• What is the primary function of a hanger yoke in an anesthesia machine?
• The regulator on the cylinder serves what primary purpose?
• What pressure does the second-stage pressure regulator reduce N2O to?
• What is the primary purpose of pulse oximetry in an anesthesia workstation?
• What factors determine flow through the thrope tube?
• What is the status of rechargeable batteries in modern anesthesia machines?
• What is a check valve used for in the pipeline connections?
• True or False: Standards require indicators for each gas pipeline pressure.
• What is the purpose of valve stops for rotameters?
• What characteristic of the Oxygen knob ensures easy identification?
• What type of valves in a circle system are unidirectional and operate under gas flow pressure?
• Which document was withdrawn in 2014 but remains an industry standard for anesthesia gas machines?
• What is the reason for not using multiple washers on the anesthesia machine?
• What should be used as an emergency backup for oxygen supply?
• What is a critical input variable that O2 analyzers monitor to prevent patient harm?
• What is one reason for storing oxygen as a liquid in large tanks?
• What is the backup time provided by reserve power in anesthesia machines?
• What safety feature is associated with the anesthesia machine's master switch?
• Why are pipeline inlet connections designed to be perpendicular to the floor?
• What is one potential issue that could cause a hypoxic mixture in an anesthesia machine?
• What system connects the cylinder to the anesthesia machine and requires at least one for oxygen and nitrogen oxide?