50 Practice Questions with Verified Answers and Detailed
Rationales
EXAM OVERVIEW
The Emergency Medical Dispatch (EMD) certification exam is administered by the
International Academies of Emergency Dispatch (IAED) and validates proficiency
in the Medical Priority Dispatch System (MPDS) . The exam covers call intake,
determinant coding, response prioritization, pre-arrival instructions, legal
responsibilities, and quality assurance standards .
SECTION 1: EMD ROLES, RESPONSIBILITIES & FUNCTIONS
Questions 1-35
Q1. What are the 4 general functions of an Emergency Medical Dispatcher?
A) Answer calls, dispatch units, provide instructions, coordinate agencies
B) Receive and process calls, dispatch and coordinate EMS resources, provide
instructions to callers and information to responders, coordinate with other
public safety agencies
C) Triage patients, dispatch ambulances, provide CPR instructions, document calls
D) Answer 911 calls, transfer to EMS, provide directions, hang up
Answer: B) Receive and process calls, dispatch and coordinate EMS resources,
provide instructions to callers and information to responders, coordinate with
other public safety agencies
Rationale: The four general functions of an EMD are: (1) Receive and Process
Telephone Calls, (2) Dispatch and Coordinate EMS Resources, (3) Provide
Instructions to Callers and Information to Responders, and (4) Coordinate with
other Public Safety Agencies .
,Q2. What are the 5 roles of the EMD?
A) Call taker, dispatcher, supervisor, trainer, quality assurance
B) Telephone interrogation, triage, dispatch allocation and field communication,
pre-arrival instruction, resource coordination
C) Answer calls, dispatch units, provide CPR, document, follow-up
D) Receive calls, transfer calls, dispatch, provide instructions, hang up
Answer: B) Telephone interrogation, triage, dispatch allocation and field
communication, pre-arrival instruction, resource coordination
Rationale: The five roles of the EMD are: Telephone Interrogation, Triage,
Dispatch Allocation and Field Communication, Pre-Arrival Instruction, and
Resource Coordination .
Q3. What are the 5 primary components of the MPDS?
A) Call intake, dispatch, instructions, documentation, quality assurance
B) Case Entry Protocol, Chief Complaint (CC) Protocols, Diagnostic and Instruction
Tools, Pre-Arrival Instructions, Case Exit Protocol
C) Key Questions, Determinant Descriptors, PDIs, CEI, DLS Links
D) Priority symptoms, determinant codes, response levels, instructions,
documentation
Answer: B) Case Entry Protocol, Chief Complaint (CC) Protocols, Diagnostic and
Instruction Tools, Pre-Arrival Instructions, Case Exit Protocol
Rationale: The five primary components of the MPDS are the Case Entry Protocol,
Chief Complaint Protocols, Diagnostic and Instruction Tools, Pre-Arrival
Instructions, and Case Exit Protocol .
Q4. What are the 6 primary components of the MPDS Chief Complaint
Protocols?
A) Caller ID, location, nature of call, response, instructions, follow-up
B) Key Questions (KQs), Determinant Descriptors, Post-Dispatch Instructions
, (PDIs), Critical EMD Information (CEI), Dispatch Life Support (DLS) Links, Additional
Information
C) Protocol number, age, gender, symptoms, response level, instructions
D) Chief complaint, age, consciousness, breathing, pulse, skin
Answer: B) Key Questions (KQs), Determinant Descriptors, Post-Dispatch
Instructions (PDIs), Critical EMD Information (CEI), Dispatch Life Support (DLS)
Links, Additional Information
Rationale: The six primary components of MPDS Chief Complaint Protocols are
Key Questions, Determinant Descriptors, Post-Dispatch Instructions, Critical EMD
Information, Dispatch Life Support Links, and Additional Information .
Q5. What are the 4 commandments (priority symptoms) of EMD?
A) Pain, bleeding, unconsciousness, difficulty breathing
B) Abnormal breathing, chest pain/discomfort, decreased level of consciousness,
serious hemorrhage
C) Cardiac arrest, respiratory arrest, trauma, shock
D) Head injury, chest pain, abdominal pain, bleeding
Answer: B) Abnormal breathing, chest pain/discomfort, decreased level of
consciousness, serious hemorrhage
Rationale: The four priority symptoms that require immediate attention are:
Abnormal Breathing, Chest Pain/Discomfort, Decreased Level of Consciousness,
and Serious Hemorrhage .
Q6. True or False: EMDs are trained medical professionals.
A) True
B) False
Answer: A) True
Rationale: EMDs are trained medical professionals who provide emergency
medical dispatch services and follow established protocols .