Cardiac Arrest Protocols in Dental Office Practice Questions
20 free Cardiac Arrest Protocols in Dental Office practice questions for the CDA. Tap an option to answer — you get instant feedback, the correct answer, and a detailed explanation for every question.
What is the first action a dental team should take when a patient collapses and is unresponsive in the clinic, suggesting possible cardiac arrest?
- A Continue dental treatment until patient regains consciousness
- B Call emergency medical services (EMS) and begin basic life support (CPR)
- C Wait for 5 minutes to see if the patient recovers spontaneously
- D Give the patient a glass of water and rest
Correct answer: Call emergency medical services (EMS) and begin basic life support (CPR)
In case of suspected cardiac arrest, the dental team must immediately call EMS and begin CPR — early recognition and prompt activation of emergency response increases chances of survival.
Which piece of equipment is considered essential in a dental office for responding to cardiac arrest emergencies?
- A A high-speed dental handpiece used for cutting
- B An Automated External Defibrillator (AED)
- C A wall-mounted dental X-ray imaging machine
- D An ultrasonic scaler used for removing calculus
Correct answer: An Automated External Defibrillator (AED)
An AED is critical for early defibrillation in sudden cardiac arrest and is recommended to be immediately available in all dental practices.
According to resuscitation guidelines, what is the recommended rate of chest compressions during CPR in an adult cardiac arrest scenario?
- A 60 compressions per minute
- B 80 compressions per minute
- C 100–120 compressions per minute
- D 140 compressions per minute
Correct answer: 100–120 compressions per minute
Current guidelines recommend a chest compression rate of 100 to 120 compressions per minute to maintain adequate blood flow during CPR.
In a dental clinic with a small team, who should ideally be designated as the ‘team leader’ during a cardiac arrest emergency?
- A Whichever staff member happens to first notice the collapse
- B A pre-assigned member (often the dentist) who directs tasks
- C The team member who currently has the very lightest workload
- D Any random staff member simply chosen at the moment it happens
Correct answer: A pre-assigned member (often the dentist) who directs tasks
An assigned team leader (often the dentist or the person already with the patient) helps coordinate tasks clearly and calmly — ensuring a coordinated, effective response.
What is the correct sequence termed when responding to sudden cardiac arrest: recognize, call EMS, start CPR and use AED if available?
- A Stop, Think, Act
- B Look – Listen – Feel
- C Chain of Survival
- D First-Aid Only
Correct answer: Chain of Survival
The “Chain of Survival” describes early recognition, immediate CPR, early defibrillation (AED), advanced care, and post-arrest care — essential steps to improve outcomes in cardiac arrest.
If only one rescuer is present in a dental office and witnesses an adult collapse, what should be done first according to basic life support guidelines?
- A Begin CPR immediately without calling EMS
- B Call EMS, then immediately begin CPR
- C Search for AED first, then call EMS
- D Wait for at least 2 minutes before acting
Correct answer: Call EMS, then immediately begin CPR
For an adult witnessed cardiac arrest with a single rescuer, the correct sequence is to call EMS first, retrieve an AED if available, and begin CPR immediately.
Why is maintaining up-to-date certification in BLS/CPR and AED use mandatory for dental office staff?
- A Because it is a legal formality demanded solely by dental insurance carriers
- B Because life-threatening cardiorespiratory emergencies never occur during dental care
- C To stay competent to respond to cardiorespiratory emergencies
- D To qualify staff for higher hourly pay and seniority bonuses
Correct answer: To stay competent to respond to cardiorespiratory emergencies
Cardiac arrest may occur unexpectedly in a dental office; regular BLS/CPR and AED training ensures staff remain capable of providing proper, effective emergency care.
Which of the following is the recommended compression-to-ventilation ratio for adult CPR when using a bag-valve-mask or mouth-to-mouth ventilation?
- A 15 compressions : 2 breaths
- B 30 compressions : 2 breaths
- C 50 compressions : 1 breath
- D Continuous compressions without breaths
Correct answer: 30 compressions : 2 breaths
The recommended ratio for adult CPR with ventilation is 30 compressions followed by 2 breaths, per standard basic life support protocols.
During a cardiac arrest in a dental chair, what is one major consideration regarding where to perform CPR if the chair is not easily reclinable?
- A Perform chest compressions in the reclined dental chair with no repositioning whatsoever
- B Move the patient to a firm flat surface, using a CPR board or stool if needed
- C Wait until EMS personnel arrive on scene before repositioning the patient in any way at all
- D Provide only rescue breathing until the patient regains a spontaneous pulse
Correct answer: Move the patient to a firm flat surface, using a CPR board or stool if needed
If the dental chair cannot appropriately support chest compressions, the patient should be moved to a firm, flat surface — or a CPR board/stool used — to ensure effective compressions.
What common emergency drugs or equipment, besides an AED, should be present in a dental office to support cardiac arrest response?
- A Only dental filling and restorative materials from the operatory
- B Oxygen supply and bag-valve-mask device
- C Spare local anesthetic cartridges and delivery syringes
- D Alginate and polyvinyl dental impression materials
Correct answer: Oxygen supply and bag-valve-mask device
Oxygen supply along with a bag-valve-mask device enables ventilation support; these, together with an AED, form essential life-support equipment in dental emergencies.
Why is early defibrillation within minutes critical in managing sudden cardiac arrest in a dental office setting?
- A It guarantees that the interrupted dental treatment can safely resume
- B It can reverse shockable rhythms and greatly improve survival
- C It completely replaces the need for chest compressions and rescue breaths
- D It is only relevant when the patient in cardiac arrest is a child
Correct answer: It can reverse shockable rhythms and greatly improve survival
Rapid defibrillation of shockable rhythms (via AED) in combination with high-quality CPR constitutes the early links in the Chain of Survival and greatly increases likelihood of survival in cardiac arrest.
What is the recommended frequency for dental clinic teams to conduct mock drills for cardiac arrest and medical emergencies?
- A Only once, at the time the clinic first opens for patients
- B Once every five years as staff certifications come due
- C At least annually, or more often if needed
- D Never, since drills tend to alarm and panic waiting patients
Correct answer: At least annually, or more often if needed
Regular (annual or more frequent) mock drills help maintain team readiness, ensure familiarity with protocols, and identify weaknesses in emergency response.
Which of the following staff roles is NOT appropriate to assign during a dental office cardiac arrest emergency when team is small?
- A Team leader coordinating the overall emergency response
- B Person retrieving the AED and the office emergency kit
- C Person continuing dental treatment on another patient
- D Person calling EMS and guiding arriving rescuers to the room
Correct answer: Person continuing dental treatment on another patient
During an emergency such as cardiac arrest, all staff should focus on the patient in crisis — continuing treatment on another patient is unsafe and distracts from critical life-saving tasks.
If an AED indicates a shockable rhythm, what should be done immediately after delivering a shock?
- A Stop CPR and wait for the patient to regain consciousness on their own
- B Resume chest compressions immediately for 2 minutes before re-analysis
- C Remove the AED pads and simply wait for EMS to take over care
- D Begin the interrupted dental treatment again once the shock is delivered
Correct answer: Resume chest compressions immediately for 2 minutes before re-analysis
After a shock, CPR should be resumed immediately and continued for 2 minutes before the next rhythm check, per resuscitation guidelines.
Which of the following statements about resuscitation training for dental offices is correct?
- A Only the treating dentist needs to be trained in CPR and AED use
- B Every dental team member should be trained and competent in BLS and AED use
- C Being trained just once at the very start of one's career is entirely sufficient
- D No training is necessary as long as a working AED is available on-site
Correct answer: Every dental team member should be trained and competent in BLS and AED use
Guidelines recommend that all dental care professionals be trained in BLS (CPR and AED use), because emergencies can occur at any time and teamwork is required for effective response.
What is the significance of the "PC-A-B-D" approach in managing medical emergencies in a dental office?
- A It is a shorthand method used for charting completed dental restorations
- B It stands for Positioning, Circulation, Airway, Breathing, Definitive care
- C It is an acronym listing the specific dental instruments needed during an emergency
- D It refers to the sequence of patient consent procedures before treatment
Correct answer: It stands for Positioning, Circulation, Airway, Breathing, Definitive care
The PC-A-B-D framework provides a structured approach to emergencies — positioning the patient, ensuring circulation, airway, breathing, and then definitive care — useful for cardiac arrest management.
If a dental clinic does not physically have an AED on-site, what is the recommended action when a cardiac arrest occurs?
- A Wait until EMS personnel arrive on scene before starting any CPR
- B Start high-quality CPR immediately and call EMS while seeking a defibrillator
- C Provide only rescue breaths and deliberately avoid any chest compressions at all
- D Decline to treat the patient and refer them elsewhere for care
Correct answer: Start high-quality CPR immediately and call EMS while seeking a defibrillator
Even without an AED, immediate high-quality CPR and rapid EMS activation remain critical in sustaining circulation until professional help or defibrillation becomes available.
In a dental office cardiac arrest scenario with multiple staff present, what is the recommended way to assign tasks effectively?
- A Have everyone perform chest compressions together at the same time
- B Use no formal assignment and simply let staff act as they see fit
- C Pre-assign roles: compressor, airway manager, AED retriever, EMS caller
- D Have only the treating dentist take action while the rest of the staff simply observe
Correct answer: Pre-assign roles: compressor, airway manager, AED retriever, EMS caller
Pre-assigned roles (compressor, airway, AED retrieval, EMS call, etc.) ensure a coordinated and prompt resuscitation effort — reducing delays and confusion during emergencies.
What is a critical reason for not delaying chest compressions even if rescue breathing cannot be provided immediately in an adult dental patient in cardiac arrest?
- A Chest compressions alone are useless and pointless without rescue breaths
- B Delay wastes critical time; compressions sustain blood flow and oxygen delivery
- C Rescue breathing must always be established fully before any compressions
- D Supplemental oxygen should always be administered well before starting any compressions
Correct answer: Delay wastes critical time; compressions sustain blood flow and oxygen delivery
High-quality chest compressions alone can maintain vital blood flow until EMS arrives or AED is ready — early compressions are more critical than waiting for ventilation.
After a cardiac arrest is successfully reversed and the patient regains pulse and breathing, what is the next step in a dental office before transferring care to EMS?
- A Resume the interrupted dental treatment on the patient immediately
- B Keep the patient supine, monitor airway and breathing, give oxygen if needed
- C Send the patient home on their own after just a few minutes of rest
- D Remove any oral appliances quickly and without particular care, caution or attention
Correct answer: Keep the patient supine, monitor airway and breathing, give oxygen if needed
Post-resuscitation care involves monitoring vital signs and maintaining airway and oxygenation until professional medical help arrives — critical to patient safety.