100+ Free Cer.A.T.T. Practice Questions

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Question 1

Score: 0/0

Before performing TEE, the anesthesia technologist should confirm which of the following patient assessments?

Normal INR < 1.5

Absent gag reflex

Absence of latex allergy

No esophageal or gastric pathology that contraindicates passage

to track

2026 Statistics

Key Facts: Cer.A.T.T. Exam

125

Exam Items

3-hour limit

$225

Member Fee

ASATT 2026

2 years

Recertification Cycle

30 CEUs required

Eligibility Pathways

CAAHEP, experience, Cer.A.T. advancement

2.5 mg/kg

Dantrolene MH Dose

IV bolus initial dose

0.9

TOF Ratio for Reversal

Extubation safety threshold

The Cer.A.T.T. exam has 125 questions over 3 hours. Content spans anesthesia equipment, pharmacology, monitoring, and clinical safety. Fee is $225 (ASATT member) or $450 (non-member). Eligibility requires CAAHEP-accredited program graduation or practical experience pathway, plus current AHA/ARC BLS and ACLS. Recertification every 2 years with 30 CEUs. Exam delivered at Scantron assessment centers.

Sample Cer.A.T.T. Practice Questions

Try these sample questions to test your Cer.A.T.T. exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which valve opens when the O2 flush button is pressed, bypassing the vaporizer and flowmeters?

A.Pressure-reducing valve

B.O2 flush valve

C.Check valve

D.APL valve

Explanation: The O2 flush valve delivers ~35-75 L/min of 100% O2 directly to the common gas outlet, bypassing flowmeters and vaporizers.

2The fail-safe valve on an anesthesia machine is designed to:

A.Prevent hypoxic mixtures when O2 supply pressure falls

B.Stop all gas flow if the vaporizer malfunctions

C.Limit maximum fresh gas flow to 15 L/min

D.Close the APL valve during IPPV

Explanation: The fail-safe valve (O2 pressure failure device) shuts off or proportionally reduces other gas flows when O2 supply pressure drops below threshold.

3Which color designates an O2 cylinder in the U.S. under the compressed-gas color-code standard?

A.Blue

B.Green

C.Yellow

D.Gray

Explanation: In the U.S., O2 cylinders are green; internationally they may be white. This distinction is tested on the Cer.A.T.T. exam.

4The Pin Index Safety System (PISS) prevents:

A.Vaporizer tipping

B.Wrong gas cylinder attachment to yokes

C.Flowmeter crossover

D.Scavenging system leaks

Explanation: PISS uses unique pin configurations on each gas yoke so only the correct cylinder species can be connected.

5Which scavenging system component prevents subatmospheric pressure from being transmitted to the breathing circuit?

A.Activated-charcoal canister

B.Interface with positive and negative pressure relief valves

C.Active vacuum pump

D.Transfer tubing

Explanation: The scavenging interface contains relief valves that vent to room air if vacuum is excessive, protecting the patient circuit from negative pressure.

6A volatile agent vaporizer is classified as a variable-bypass, agent-specific device. What key safety feature prevents filling with the wrong agent?

A.Color-coded dial

B.Keyed agent-specific filler (Quik-Fil / Saf-T-Fill)

C.Barometric pressure compensation

D.Temperature-sensitive bimetallic strip

Explanation: Keyed filler systems (e.g., Quik-Fil, Saf-T-Fill) are agent- and vaporizer-specific, physically preventing wrong-agent filling.

7In a circle breathing system, the purpose of unidirectional (check) valves is to:

A.Prevent rebreathing of CO2

B.Direct gas flow in a single direction through the circuit

C.Maintain constant FiO2

D.Limit peak airway pressure

Explanation: Unidirectional valves ensure inspired gas travels only from the machine and expired gas flows only toward the CO2 absorber, maintaining circuit efficiency.

8Which Mapleson circuit is most efficient for spontaneous ventilation?

A.Mapleson A

B.Mapleson D

C.Mapleson E

D.Mapleson F

Explanation: The Mapleson A (Magill circuit) is most efficient for spontaneous ventilation; fresh gas flow equal to minute ventilation prevents CO2 rebreathing.

9ASA Standard II requires continuous monitoring of which two parameters during every anesthetic?

A.Temperature and urine output

B.Oxygenation (SpO2) and ventilation (ETCO2)

C.BIS and arterial pressure

D.Neuromuscular blockade and SpO2

Explanation: ASA Standards for Basic Anesthetic Monitoring require continuous pulse oximetry (oxygenation) and capnography (ventilation) throughout every anesthetic.

10End-tidal CO2 (ETCO2) capnography waveform shows sudden drop to near zero. Most likely cause is:

A.Hypoventilation

B.Esophageal intubation or breathing circuit disconnect

C.Malignant hyperthermia

D.Pulmonary embolism

Explanation: A sudden loss of ETCO2 waveform almost always indicates esophageal intubation or a circuit disconnection — a critical airway emergency.

About the Cer.A.T.T. Exam

The Cer.A.T.T. (Certified Anesthesia Technologist) is the advanced-level national certification from ASATT, validating expertise in anesthesia equipment operation, pharmacology support, patient monitoring, and clinical safety. The 125-item exam covers anesthesia machine systems (vaporizers, breathing circuits, gas cylinders, scavenging), pharmacology (NMBAs, reversal, induction agents, volatile agents, MAC), ASA monitoring standards (SpO2, ETCO2, BIS, invasive lines, TEE), malignant hyperthermia protocols, infection control (Spaulding classification), and BLS/ACLS. Administered at Scantron secure centers; recertification required every 2 years with 30 CEUs.

Questions

125 scored questions

Time Limit

3 hours

Passing Score

Scaled passing score set by ASATT standard-setting process

Exam Fee

$225-$550 (American Society of Anesthesia Technologists and Technicians (ASATT) / Scantron Assessment Centers)

Cer.A.T.T. Exam Content Outline

~35%

Anesthesia Equipment & Technology

Anesthesia machine high/low-pressure systems, flowmeters, vaporizers (variable-bypass, agent-specific, keyed fillers, interlock systems), breathing circuits (circle, Mapleson A-F, Bain), CO2 absorbers (soda lime), scavenging systems (APL valve, interface), gas cylinders (color codes, PISS, DISS, E-cylinder calculations), and pre-use checkout.

~30%

Pharmacology & Patient Monitoring

Induction agents (propofol, etomidate, ketamine), opioids (fentanyl, remifentanil), volatile agents (sevoflurane, desflurane, blood:gas coefficients, Compound A), NMBAs (succinylcholine, rocuronium, vecuronium), reversal (sugammadex, neostigmine, TOF monitoring), MAC concept, N2O, dexmedetomidine. ASA monitoring standards: SpO2, ETCO2 capnography, BIS, temperature, invasive pressure monitoring (arterial line, CVP, PA catheter).

~20%

Clinical Support & Safety

Malignant hyperthermia (triggers, early signs, dantrolene protocol, succinylcholine avoidance), LAST (lipid emulsion), laryngospasm management, OR turnover and machine checkout, infection control (Spaulding critical/semi-critical/non-critical, HLD, standard precautions, C. diff), needlestick protocols, medication five rights, ASA PS classification.

~15%

Specialty Procedures & Regional Techniques

Invasive monitoring setup and troubleshooting (arterial line Allen test, subclavian CVC complications, air embolism prevention), TEE probe care (HLD requirements, contraindications, transgastric views), ultrasound guidance for nerve blocks and arterial cannulation, cerebral oximetry (NIRS/rSO2), BIS interpretation.

How to Pass the Cer.A.T.T. Exam

What You Need to Know

Passing score: Scaled passing score set by ASATT standard-setting process
Exam length: 125 questions
Time limit: 3 hours
Exam fee: $225-$550

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

Cer.A.T.T. Study Tips from Top Performers

1Master anesthesia machine gas flow path: cylinder → regulator → flowmeter → vaporizer → common gas outlet

2Know the Pin Index Safety System (PISS) and DISS as separate safety systems for cylinders vs pipelines

3Memorize E-cylinder volumes (O2=625L, N2O=1590L at full pressure) for time-remaining calculations

4Learn TOF monitoring thresholds: ≥0.9 = adequate reversal; 0 twitches = profound block requires PTC

5Understand sugammadex dosing tiers: 2 mg/kg (moderate), 4 mg/kg (deep), 16 mg/kg (immediate post-intubation)

6Malignant hyperthermia: earliest sign = rising ETCO2; dantrolene 2.5 mg/kg IV; never give succinylcholine

7Spaulding classification: critical=sterilize, semi-critical=HLD, non-critical=low/intermediate disinfection

8TEE probes are semi-critical — HLD with FDA-cleared glutaraldehyde or OPA; never autoclave

9BIS target for general anesthesia: 40-60; >60 = light anesthesia/awareness risk; <40 = deep

10MH triggering agents: volatile agents (sevo, desflurane, isoflurane) + succinylcholine

Frequently Asked Questions

What is the ASATT Cer.A.T.T. exam?

The Cer.A.T.T. (Certified Anesthesia Technologist) is the advanced national certification from ASATT (American Society of Anesthesia Technologists and Technicians). It validates mastery of anesthesia equipment, pharmacology support, patient monitoring, and clinical safety for anesthesia technologists working in hospital ORs and procedural areas.

How many questions are on the Cer.A.T.T. exam and how long is it?

The Cer.A.T.T. exam contains 125 multiple-choice items and candidates have 3 hours to complete it. It is administered at Scantron secure assessment centers.

What are the eligibility requirements for the Cer.A.T.T.?

Three pathways exist: (1) graduation from a CAAHEP-accredited Anesthesia Technology Program with current AHA/ARC BLS and ACLS; (2) the practical experience pathway with documented supervised hours; or (3) advancement from the Cer.A.T. (Technician) credential. All pathways require current BLS and ACLS from AHA or ARC.

What is the ASATT Cer.A.T.T. exam fee?

The exam fee is $225 for ASATT members and $450 for non-members. International fees are $450 (member) and $550 (non-member). Recertification every 2 years costs $100 for members and $450 for non-members.

What topics are covered on the Cer.A.T.T. exam?

Content spans four main areas: Anesthesia Equipment & Technology (~35%): machine systems, vaporizers, breathing circuits, gas cylinders, scavenging, pre-use checkout. Pharmacology & Monitoring (~30%): NMBAs, reversal, induction agents, volatile agents, MAC concept, invasive and non-invasive monitoring. Clinical Safety (~20%): malignant hyperthermia, infection control, LAST, BLS/ACLS. Specialty Procedures (~15%): arterial line, CVP, TEE, ultrasound regional blocks, cerebral oximetry.

How do I recertify the Cer.A.T.T.?

Cer.A.T.T. holders must recertify every 2 years by completing 30 ASATT-approved CEUs and paying the recertification fee ($100 member / $450 non-member). ASATT manages CEU tracking through its continuing education portal.

How should I prepare for the Cer.A.T.T. exam?

Study all four content areas systematically. Prioritize anesthesia machine mechanics (vaporizer physics, fail-safe valve, scavenging), pharmacology (NMBAs and reversal, MAC modifiers, volatile agents), malignant hyperthermia protocols, Spaulding infection control classification, ASA monitoring standards, and invasive line complications. Plan 8-14 weeks of study with regular practice questions.