Anesthetic Equipment Practice Test

These questions are part of the practice quiz. Start practicing

• The nitrous oxide cylinder color coding is which color?
• Which statement correctly identifies a major advantage of an active scavenging system?
• Which anesthesia technique involves injecting into tissue for site-specific pain control around a surgical site?
• What considerations are important when selecting a breathing circuit for a pediatric patient?
• Which statement correctly describes the function of heating and humidifying absorbers in anesthesia circuits?
• What is the consequence of misconnecting a cylinder to the wrong gas line due to the pin-index safety system?
• Vaporizers operate best at which temperature condition?
• Which circuit type is designed for small patients (less than 7 kg) to deliver fresh gas with minimal resistance and prevent rebreathing?
• How does a breach or disconnection in the breathing circuit typically affect ventilation?
• Which component removes CO2 from exhaled gases?
• Which statement best describes the low-pressure system?
• Where is the cylinder regulator located and what is its main function?
• What is a key advantage of non-rebreathing circuits?
• Which feature does a Murphy's endotracheal tube include to reduce the risk of airway occlusion?
• Pediatric vs adult flow rates: 0.1-1 L/min vs 1-15 L/min.
• What are the typical initial pressures for full oxygen and nitrous oxide cylinders?
• Which component collects exhaled gases for processing?
• At what weight gain from its original weight should a charcoal waste gas absorber be replaced?
• What is the function of a heat and moisture exchanger (HME) in an anesthesia breathing circuit?
• How do tidal volume and respiratory rate influence peak airway pressure in a ventilator?
• What is the purpose of a positive pressure leak test in anesthesia machine preparation?
• Which practice helps prevent accidental double-dosing of anesthetic agent?
• What is the purpose of the pin-index arrangement for gas cylinders?
• Which statement accurately describes high-flow anesthesia usage?
• Which device lacks a Murphy's eye?
• Baseline calibration of the O2 analyzer should be performed using which reference?
• Which statement is true about the flowmeter's role in anesthesia delivery?
• Which feature distinguishes passive scavenging from active scavenging?
• Which component removes CO2 from exhaled gases?
• How would you troubleshoot a rising end-tidal CO2 with a seemingly functioning breathing circuit?
• Which safety system uses standardized thread sizes and shapes to connect low-pressure equipment?
• Which statement about non-rebreathing circuits is true?
• Which component releases excess pressure during expiration to prevent barotrauma?
• Why is reservoir bag size important, and how does it relate to patient size?
• Which component sets and measures gas flow - regulates oxygen and other gases for mixing with anesthetics?
• What is a notable byproduct of the CO2 absorber reaction besides the chemical products?
• What is the tidal volume per kilogram used for a normal breath in this context?
• Which is a con of the rebreathing circuit?
• How do you perform a leak check on the breathing circuit?
• Why is monitor integration critical in anesthesia machine use?
• Why is it important to know the typical initial pressures for full O2 and N2O cylinders?
• What is the role of the charcoal absorber in a passive scavenging system?
• Which option correctly pairs a component with its function "stores access gas"?
• Green cylinder color in medical gas labeling corresponds to which gas?
• When an anesthesia machine alarm sounds, which is the most appropriate action?
• Which flow conserves heat and humidity the most?
• What is the recommended action after a power outage regarding monitoring and ventilation?
• What is the purpose of a negative pressure leak test in anesthesia machine preparation?
• What are two advantages of using a non-rebreathing circuit?
• Regional anesthesia blocks nerve groups.
• Which action is recommended when soda lime shows signs of exhaustion?
• Vaporizers operate within which flow rate range?
• Which of the following is a function of the anesthesia flowmeter?
• Which statement best describes how a passive scavenging system operates?
• What is the primary function of pressure regulators in anesthesia gas systems?
• Which component delivers fresh gas from the anesthesia machine to the patient?
• Which statement is NOT a stated reason for multiplying tidal volume by 6 when sizing the reservoir bag?
• What is the quickest way to identify if the wrong gas is being delivered to the breathing circuit?
• Which flow category is used during induction and when there are system leaks causing rapid wash-in/out of gases?
• What is the purpose of the Diameter Index Safety System (DISS)?
• Describe the role and typical adjustment of the pop-off valve during controlled ventilation.
• Which statement best differentiates active scavenging from passive scavenging in anesthesia machines?
• What unit is used to measure fresh gas flow in anesthesia practice, and what is the typical flow range for oxygen and carrier gases?
• Which method of anesthesia is delivered via mask or endotracheal tube using an anesthesia machine?
• What feeds the common gas outlet toward the breathing circuit?
• Which statement best describes a Mapleson circuit compared with a circle system?
• CO2 + H2O = __________ which is neutralized primarily by _____________ in the absorbent
• What is the typical chemical reaction in CO2 absorbents and what byproducts may be produced?
• What is the primary goal of scavenging systems in anesthesia practice?
• Which of the following is a core function of breathing circuits?
• Which action ensures accurate readings from the oxygen analyzer?
• Which component removes waste anesthetic gases from the environment?
• In the context of airway obstruction, which capnography finding is most indicative?
• What is the primary role of the low-pressure system in an anesthesia machine?
• What is the purpose of the reservoir bag in the circle system?
• What is the oxygen flush valve, and when should it be used?
• Which component connects components and directs gas flow between patient and circuit?
• Which set of checks is essential before connecting to a patient on an anesthesia machine?
• Endotracheal tubes are classified by which measurement?
• What action is recommended when soda lime shows signs of exhaustion?
• Where should the flowmeters be located and how do they relate to the low-pressure system?
• What is the minimum oxygen flow rate to provide oxygen for the patient's bodily function with a rebreathing circuit?
• What does AMBU stand for?
• Which type of anesthesia blocks nerve groups?
• Vaporizer adds anesthetic vapor to the gas stream.
• What happens if the reservoir bag is too large?
• In a passive scavenging system, what does the system rely on to disperse waste anesthetic gases?
• In an anesthesia machine, where does the intermediate-pressure system operate and at what pressure approximately?
• What is the purpose of the oxygen analyzer in an anesthesia machine?
• Flat or tapered floats are read at the _________ of the float.
• If the central gas supply fails, which backup system maintains gas flow?
• Chemical absorbent used in anesthesia systems to remove CO2 from exhaled gases
• What does improper inflation of the reservoir bag indicate?
• Which statement correctly describes the pin-index safety system?
• Round or ball-shaped floats are read at the _______ of the ball.
• Which statement is a primary reason for multiplying the tidal volume by 6 when sizing the reservoir bag?
• How is the APL valve defined and when is it used?
• What steps help verify vaporizer content and avoid double-dosing?
• What is the role of the common gas outlet in an anesthesia circle system?
• Which alarms are typical indicators of a gas supply issue?
• Which statement best describes a vaporizer's function?
• Which flow rate is considered medium flow?
• Which statement correctly describes the E vs H gas cylinders?
• Which of the following are guidelines for selecting the correct endotracheal tube?
• The equine demand valve delivers a high oxygen flow at approximately how many breaths per minute?
• What information does capnography provide during anesthesia?
• What does the Pin Index Safety System (PISS) prevent?
• In a nonrebreathing system, how is CO2 managed?
• What is a major drawback of nonrebreathing circuits?
• Which of the following is considered a scavenging-related alarm?
• Which statement is true about CO2 removal in a nonrebreathing circuit?
• What is the minimum flow rate for adequate anesthetic delivery using a rebreathing system? (vaporizer requirement)
• What is a scavenging interface, and how does it relate to waste gas management?
• Vaporizers use which type of system?
• Which endotracheal tube does not have a Murphy's eye?
• Which component maintains one-way flow in the circuit?
• Explain where vaporizers may be placed relative to the flowmeters in different machine designs.
• Which component removes waste anesthetic gases?
• What is the function of the cylinder pressure gauges?
• Which statement about pressure regulators is true?
• The oxygen hose color typically used with equine ventilation is what color?
• The yellow color code in cylinder labeling represents which gas?
• Which action helps prevent vaporizer bypass during anesthesia?
• Which color code represents oxygen?
• How do Active scavenging systems remove waste anesthetic gases?
• Which components provide essential backup to maintain continuous gas flow?
• Which statement correctly describes a disadvantage of passive scavenging systems?
• Which maintenance and safety checks are essential for ongoing anesthesia machine operation?
• In the FROGS acronym, which of the following is NOT a component represented?
• Which statement describes a pro of the rebreathing anesthesia circuit?
• What chemicals are in soda lime and how do they work?
• Explain the purpose of the scavenging system.
• What are the risks of a depleted CO2 absorber canister?
• What happens if vaporizers are out of calibration?
• Endotracheal tubes are classified by their inner diameter.
• Which statement correctly describes the relationship between the intermediate-pressure and low-pressure systems?
• Which unit is commonly used to express regulator pressures in anesthesia gas systems?
• What is the function of the unidirectional valves in a circle anesthesia system?
• Which of the following is NOT an appropriate method for baseline O2 analyzer calibration?
• A rebreathing system is characterized by which of the following?
• Where is the Murphy's eye located on an endotracheal tube?
• The bobbin height on a flowmeter indicates which of the following?
• During active use, soda lime granules become _________, but when rested, regenerated granules return towards physiologic pH (7.4)
• If the oxygen analyzer reads abnormally high while the gas supply appears normal, which steps should be performed?
• Which statement about vapor production by anesthetic agents is true?
• What is the best response if end-tidal CO2 remains elevated after checking the CO2 absorber and ventilator settings?
• Which monitoring and safety strategies help detect hypoxia during anesthesia?
• Which component is typically absent in a Mapleson circuit compared with a circle system?
• What is the primary means by which hospitals deliver oxygen and other medical gases?
• Which statement describes the crumbability test results for fresh versus exhausted sodalime?
• What is the correct reservoir bag size formula?
• Which findings indicate a leak during pre-use checks of the breathing circuit?
• Which type of anesthesia is injected directly into tissue for site-specific pain control?
• Which statement describes the crumbability test in soda lime evaluation?
• Which flow rate is considered high flow?
• Describe the purpose of the breathing circuit and the role of the Y-piece.
• In color-change tests for soda lime, which statement is correct?
• Which statement about the benefits of rebreathing circuits is true?
• Which pairing is correct?
• Pressure regulators are used to reduce gas pressure from high pressure (2200 psig) to a working range of ______.
• In a leak test, the breathing circuit is pressurized to what value for how long to pass if there is no leakage?
• How does the vaporizer modulate delivered vapor concentration?
• What are the consequences of using the O2 flush during a closed-circuit or high airway pressure situation?
• Which safety mechanism uses pin and hole configurations to prevent incorrect attachments?
• Which method of anesthesia is delivered via IM or IV using syringes or infusion pumps?
• What steps should be taken after a power outage while using an anesthesia machine?
• What is the purpose of an equine demand valve?
• Which statement best describes the use of Mapleson circuits compared with circle systems?
• When would you typically use an AMBU?
• Which description corresponds to low fresh gas flow in anesthesia circuits?
• Which check is essential to ensure the breathing circuit is intact before patient connection?
• Which statement about a flowmeter's capabilities is incorrect?
• What is the primary purpose of the scavenging system in anesthesia equipment?
• What is the recommended safe cuff pressure range for an endotracheal tube?
• Baseline calibration of the O2 analyzer is critical for what reason?
• What is the minimum oxygen flow rate required for non-rebreathing circuits to effectively flush out expired gases?
• Which statement best describes a Bain circuit?
• Vaporizers are anesthetic specific, meaning they must be chosen for each agent.
• What is the role of the CO2 absorber canister in the circle system?
• Which component is responsible for reducing the high cylinder pressure to a safe intermediate pressure before downstream components?
• During soda lime regeneration testing, which observation indicates that regeneration is occurring?
• Which statement about the inspiratory limb is true?
• What happens if the reservoir bag is too small?
• Which statement about active scavenging systems is true?
• Which statement correctly describes the E and H cylinders' characteristics?
• Which are common signs of a blocked expiratory limb or severe airway obstruction in a ventilated patient?
• Which statement about cuff inflation is correct?
• How does the hypoxic guard mechanism work in most anesthesia machines?
• Which component controls gas pressure?
• Which of the following is NOT a sign of potential oxygen supply failure?
• Which methods are used to test a breathing circuit for leaks during pre-use checks?
• Which component mixes gases and helps maintain proper oxygen concentration with other gases?
• Which component stores access gas and allows manual ventilation?
• Which component adds anesthetic vapor to the gas stream?