Anesthesia Equipment MCQs for Prometric Exam-Anesthesia Technician

Anesthesia equipment plays a very important role in safe surgical procedures. For Anesthesia Technician candidates appearing for the Prometric Exam, strong knowledge of anesthesia machines, breathing circuits, vaporisers, monitors, and safety devices is essential.

This MCQ set on Anesthesia Equipment MCQs is specially designed based on the Prometric exam pattern. Each question includes clear options, correct answers, and short explanations to help you understand concepts quickly and revise effectively.

Q1. What is the main function of an anesthesia machine?

• A. To monitor heart rate
• B. To deliver controlled anesthetic gases
• C. To measure blood pressure
• D. To suction secretions

[ Show Answer ]

Correct Answer: B. To deliver controlled anesthetic gases

Explanation: An anesthesia machine delivers oxygen and anesthetic gases safely to the patient.

Q2. Which gas is most commonly used as a carrier gas in anesthesia?

• A. Nitrous oxide
• B. Carbon dioxide
• C. Oxygen
• D. Helium

[ Show Answer ]

Correct Answer: C. Oxygen

Explanation: Oxygen is essential for patient survival and is the primary carrier gas.

Q3. What is the purpose of a vaporizer in anesthesia equipment?

• A. To humidify gases
• B. To control anesthetic agent concentration
• C. To remove CO₂
• D. To measure tidal volume

[ Show Answer ]

Correct Answer: B. To control anesthetic agent concentration

Explanation: Vaporizers convert liquid anesthetic agents into vapor in precise amounts.

Q4. Which device prevents delivery of hypoxic gas mixtures?

• A. Pressure regulator
• B. Oxygen analyzer
• C. Fail-safe device
• D. Flowmeter

[ Show Answer ]

Correct Answer: C. Fail-safe device

Explanation: The fail-safe device reduces nitrous oxide flow if oxygen pressure falls.

Q5. What is the function of the CO₂ absorber?

• A. Absorbs oxygen
• B. Removes carbon dioxide from exhaled gases
• C. Filters bacteria
• D. Delivers anesthetic gases

[ Show Answer ]

Correct Answer: B. Removes carbon dioxide from exhaled gases

Explanation: CO₂ absorbers allow rebreathing by removing carbon dioxide.

Q6. Which material is commonly used in CO₂ absorbers?

• A. Activated charcoal
• B. Soda lime
• C. Silica gel
• D. Calcium carbonate

[ Show Answer ]

Correct Answer: B. Soda lime

Explanation: Soda lime chemically absorbs carbon dioxide in breathing circuits.

Q7. What is the purpose of the oxygen flush valve?

• A. To deliver low-flow oxygen
• B. To rapidly deliver high-flow oxygen
• C. To remove anesthetic gases
• D. To check leaks

[ Show Answer ]

Correct Answer: B. To rapidly deliver high-flow oxygen

Explanation: The oxygen flush valve bypasses vaporizers and flowmeters.

Q8. Which circuit is commonly used for adult anesthesia?

• A. Ayre’s T-piece
• B. Jackson-Rees circuit
• C. Circle system
• D. Mapleson D

[ Show Answer ]

Correct Answer: C. Circle system

Explanation: Circle systems are efficient and suitable for adult patients.

Q9. What does a flowmeter measure?

• A. Gas pressure
• B. Gas concentration
• C. Rate of gas flow
• D. Oxygen saturation

[ Show Answer ]

Correct Answer: C. Rate of gas flow

Explanation: Flowmeters indicate how much gas is delivered per minute.

Q10. Which safety device detects low oxygen concentration?

• A. Pressure gauge
• B. Oxygen analyzer
• C. Vaporizer
• D. Scavenging system

[ Show Answer ]

Correct Answer: B. Oxygen analyzer

Explanation: Oxygen analyzers monitor inspired oxygen levels.

Q11. What is the purpose of the scavenging system?

• A. Deliver oxygen
• B. Remove waste anesthetic gases
• C. Control ventilation
• D. Monitor ECG

[ Show Answer ]

Correct Answer: B. Remove waste anesthetic gases

Explanation: Scavenging systems protect staff from anesthetic gas exposure.

Q12. Which equipment is used to assist or control patient breathing?

• A. Pulse oximeter
• B. Ventilator
• C. Defibrillator
• D. Suction unit

[ Show Answer ]

Correct Answer: B. Ventilator

Explanation: Ventilators support or replace spontaneous breathing.

Q13. What does a pressure gauge indicate in anesthesia equipment?

• A. Gas temperature
• B. Gas volume
• C. Gas pressure
• D. Gas humidity

[ Show Answer ]

Correct Answer: C. Gas pressure

Explanation: Pressure gauges show cylinder or pipeline pressure.

Q14. Which color cylinder is used for oxygen (international standard)?

• A. Blue
• B. Black
• C. Green or White
• D. Grey

[ Show Answer ]

Correct Answer: C. Green or White

Explanation: Oxygen cylinders are green or white depending on standards.

Q15. What is the function of a reservoir bag?

• A. Measure oxygen concentration
• B. Store extra gas and assist ventilation
• C. Absorb CO₂
• D. Deliver anesthetic agent

[ Show Answer ]

Correct Answer: B. Store extra gas and assist ventilation

Explanation: Reservoir bags help in manual ventilation and gas storage.

Q16. Which equipment monitors oxygen saturation?

• A. ECG monitor
• B. Capnograph
• C. Pulse oximeter
• D. Spirometer

[ Show Answer ]

Correct Answer: C. Pulse oximeter

Explanation: Pulse oximeters measure blood oxygen saturation noninvasively.

Q17. What does capnography measure?

• A. Oxygen saturation
• B. Blood pressure
• C. End-tidal CO₂
• D. Heart rate

[ Show Answer ]

Correct Answer: C. End-tidal CO₂

Explanation: Capnography shows ventilation status by measuring CO₂.

Q18. Which anesthesia equipment is used to clear airway secretions?

• A. Ventilator
• B. Suction apparatus
• C. Vaporizer
• D. Flowmeter

[ Show Answer ]

Correct Answer: B. Suction apparatus

Explanation: Suction devices remove blood, saliva, and secretions.

Q19. What is the main purpose of a breathing circuit?

• A. Measure gas pressure
• B. Deliver and remove respiratory gases
• C. Monitor ECG
• D. Absorb anesthetic agent

[ Show Answer ]

Correct Answer: B. Deliver and remove respiratory gases

Explanation: Breathing circuits connect the patient to the anesthesia machine.

Q20. Before anesthesia, which equipment check is MOST important?

• A. ECG battery level
• B. Anesthesia machine leak test
• C. Operating table height
• D. Room temperature

[ Show Answer ]

Correct Answer: B. Anesthesia machine leak test

Explanation: Leak tests ensure safe delivery of gases without loss.

Conclusion

Preparing anesthesia equipment MCQs regularly will improve your confidence and accuracy in the Prometric Exam. Understanding how each piece of equipment works, its function, and its safety features is crucial for real-time OT practice.

Use these Anesthesia Equipment MCQs as part of your daily revision. Practice more questions, revise the basics, and focus on equipment-based scenarios to score well on the Anaesthesia Technician Prometric Exam.

For complete details, visit our Anesthesia Technician Prometric Exam guide.

Frequently Asked Questions (FAQ)

❓ What is anesthesia equipment in the Prometric exam?

Anesthesia equipment includes anesthesia machines, vaporisers, breathing circuits, CO₂ absorbers, ventilators, monitors, and safety devices tested in the Prometric exam.

❓ Are anesthesia equipment questions important for Anesthesia Technician Prometric exam?

Yes. Equipment-based questions are very important and frequently asked in the Prometric exam for Anesthesia Technicians.

❓ How many MCQs should I practice daily for the Prometric exam preparation?

Practising 20–30 MCQs daily with explanation is ideal for strong concept building and exam readiness.

❓ Do these MCQs follow the Saudi Prometric exam pattern?

Yes. These questions are prepared based on commonly asked topics and the Saudi Prometric exam pattern.

❓ Can OT Technicians and anesthesia students use these MCQs?

Yes. These MCQs are useful for Anesthesia Technicians, OT Technicians, and paramedical students preparing for competitive exams.