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Key Facts: ABMDI Registry Exam

240

Multiple-Choice Questions

ABMDI Registry Examination Information

7

Graded Exam Sections

ABMDI Registry Examination Information

10

Ungraded Pilot Questions

ABMDI Registry Examination Information

640 pts

Required Experience Points

ABMDI Application Process

$400

Examination Fee

ABMDI Registry Certification page

5 yrs

Recertification Cycle

ABMDI Policy and Procedure Manual

45 hrs

CE for Recertification

ABMDI Policy and Procedure Manual

30 days

Minimum Retake Wait

ABMDI Application Process

ABMDI Registry (Diplomate) is the entry-level medicolegal death investigator board certification. The exam is 240 multiple-choice items (230 graded across 7 sections plus 10 ungraded pilot questions) with up to 4 hours of testing time, and a passing score is required in each graded section. Eligibility requires being at least 18 with a high school diploma, current employment in a medical examiner/coroner jurisdiction or equivalent federal authority, 640 experience points, and a completed Fundamental Tasks of Medicolegal Death Investigation task list signed by a trainer; the Diplomate track adds at least 100 from scene-response investigations. Fees are a $400 non-refundable examination fee plus a $50 non-refundable application fee. Failed sections may be retested twice within the 12-month application cycle, with at least 30 days between testing dates. Recertification is a 5-year cycle with 45 hours of ABMDI-approved continuing education.

Sample ABMDI Registry Practice Questions

Try these sample questions to review concepts for the ABMDI Registry exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 124+ question experience with AI tutoring.

1Which of the following best describes the distinction between a medical examiner and a coroner system in the United States?
A.Medical examiners are elected lay officials; coroners are appointed physicians
B.Medical examiners are physicians; coroners are elected/appointed and may be lay officials
C.Both must be board-certified forensic pathologists in every state
D.Coroners handle only suspicious deaths; MEs handle only natural deaths
Explanation: Medical examiners are physicians, typically board-certified forensic pathologists, appointed to their position. Coroners are elected or appointed officials whose qualifications vary widely by jurisdiction and who are not required to be physicians. U.S. jurisdictions use ME, coroner, or mixed (Type I/II/III) systems with significant state-by-state variation.
2According to most state reportable-death statutes, which of the following deaths is LEAST likely to require notification of the ME/coroner office?
A.Expected hospice cancer death under attending physician care
B.Death within 22 hours of hospital admission without sustained care
C.Fatal occupational fall from scaffolding at a worksite
D.Custodial death in jail requiring independent investigation
Explanation: A hospice patient with a documented terminal illness dying under physician care is generally a natural, anticipated death that the attending physician can certify without ME/coroner involvement. The other three are reportable: deaths within 24 hours of hospital admission, occupational deaths, and any death in custody must be reported under typical state statutes.
3Rigor mortis typically reaches full development at approximately what time after death under average ambient conditions?
A.30 minutes
B.2 hours
C.12 hours
D.72 hours
Explanation: Rigor mortis begins 2-6 hours after death, reaches full development at approximately 12 hours, and then begins to dissipate over the next 24-72 hours as autolysis progresses. Temperature, antemortem activity, and body habitus accelerate or delay this timeline.
4A decedent has bright cherry-red lividity. Which of the following is the most likely cause to investigate?
A.Carbon monoxide poisoning
B.Methemoglobinemia
C.Cyanide poisoning (less common but also produces cherry-red livor)
D.Both A and C
Explanation: Cherry-red lividity is classically associated with carbon monoxide poisoning (carboxyhemoglobin) and, less commonly, cyanide poisoning. Methemoglobinemia produces a chocolate-brown discoloration, not cherry-red. Hypothermia can also produce a pink livor.
5What is the approximate rate of cooling used in the classic algor mortis rule of thumb under average ambient conditions?
A.0.5°F per hour
B.1.5°F per hour
C.3°F per hour
D.5°F per hour
Explanation: The classic algor mortis estimate is approximately 1.5°F per hour of cooling toward ambient temperature, though this is heavily affected by body habitus, clothing, environment, and ambient temperature. It is a rough estimate only and is not reliable beyond the first 24 hours.
6Livor mortis typically becomes fixed (no longer blanches with pressure) at approximately what time after death?
A.30 minutes
B.2 hours
C.8-12 hours
D.48 hours
Explanation: Livor mortis begins to appear within 30 minutes to 2 hours after death, becomes pronounced by 4-6 hours, and is generally fixed (no longer blanches with pressure) by 8-12 hours. A pattern of livor inconsistent with the body's position can suggest the body was moved after death.
7Which of the following best describes the relationship between cause, mechanism, and manner of death?
A.Cause = disease/injury; mechanism = physiology; manner = NASH-U classification
B.Cause and mechanism are identical legal terms on the death certificate
C.Manner is the underlying disease; cause is the court ruling
D.Mechanism and manner are interchangeable on death certificates
Explanation: Cause of death is the disease or injury that initiated the lethal chain (e.g., gunshot wound, coronary artery disease). Mechanism is the physiologic derangement that produced death (e.g., exsanguination, ventricular fibrillation). Manner classifies the circumstances into natural, accident, suicide, homicide, or undetermined.
8An MDI documents a gunshot wound with a circular defect surrounded by black soot deposition and stellate tearing of the surrounding skin. The range of fire is most consistent with which of the following?
A.Distant range (over 3 feet)
B.Intermediate range (stippling visible)
C.Close range without contact
D.Contact or near-contact range
Explanation: Soot deposition with stellate (star-shaped) tearing of the skin is characteristic of contact or near-contact gunshot wounds, especially over bone where expanding gases tear the skin. The muzzle imprint or 'searing' is another contact feature. Stippling without soot suggests intermediate range; no soot or stippling indicates distant range.
9Which postmortem specimen is generally most reliable for ethanol quantification in a non-decomposed decedent?
A.Cardiac (heart) blood
B.Peripheral blood (femoral)
C.Gastric contents
D.Vitreous humor — but only in extreme cases
Explanation: Peripheral (femoral) blood is the preferred specimen for postmortem ethanol and drug quantification because it is less subject to postmortem redistribution and contamination from gastric contents than cardiac blood. Vitreous humor is also useful and is preferred in decomposed or unavailable-blood cases.
10What is the recommended volume of vitreous humor to collect from each eye for toxicology testing?
A.0.5 mL total collected from one eye only
B.About 2-3 mL per eye; collect from both eyes when possible
C.10 mL per eye using a large-bore needle
D.Vitreous is never collected for postmortem toxicology
Explanation: Approximately 2-3 mL of vitreous humor is typically collected from each eye using a needle inserted at the lateral canthus, with care to replace the volume with saline for cosmetic restoration. Vitreous is valuable for ethanol, glucose, electrolytes, and select drugs and is more resistant to decomposition than blood.

About the ABMDI Registry Exam

The ABMDI Registry Certification (Diplomate) is the entry-level board credential for medicolegal death investigators. It is delivered as a 240-question multiple-choice examination (230 graded questions across 7 sections plus 10 ungraded pilot questions) covering interagency communication, communication with families, scene response, body assessment, completing the investigation, additional investigator duties, and forensic and medical knowledge. ABMDI defines the scope of knowledge by the National Institute of Justice publication Death Investigation: A Guide for the Scene Investigator and the Fundamental Tasks of Medicolegal Death Investigation.

Exam sponsor: American Board of Medicolegal Death Investigators (ABMDI). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

240 questions

Time Limit

Up to 4 hours

Passing Score

Must pass each of the 7 graded sections

Exam / Certification Fees

$400 examination fee + $50 application fee

Exam sponsor website

Reported exam pass rate: Not published. ABMDI does not publish overall Registry first-time pass rates. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Section 1 (10%)

Interagency Communication

Jurisdiction, collecting essential information and the decedent profile, and interaction with law enforcement, funeral homes, media, and ancillary agencies, including release of information.

Section 2 (10%)

Communication with Families

Death notification, obtaining information, identification viewing, informing of procedures, recognizing reactions, facilitating requests, and reporting findings.

Section 3 (18%)

Scene Response and Documentation

Scene arrival, securing the scene, scene safety, professionalism, dignity of the deceased, scene equipment, photography, documentation, evidence, and witness interviews.

Section 4 (18%)

Body Assessment and Documentation

Body photography and physical assessment covering anatomy, resuscitative artifacts, surgical artifacts, postmortem changes, and injury recognition.

Section 5 (14%)

Completing the Investigation

Identification, investigative narrative, follow-up and required forms, evidence release and chain of custody, forensic pathologist interaction, organ and tissue donation, manners of death, and certification of death.

Section 6 (10%)

Additional Medicolegal Death Investigator Duties

Health and wellness, unidentified and unclaimed remains, multiple fatalities, and testimony.

Section 7 (20%)

Forensic and Medical Knowledge

Forensic science specialties such as ballistics, toxicology, entomology, anthropology, and odontology, plus basic forensic pathology, medical terminology, and disease processes.

Preparing for the ABMDI Registry Exam

What You Need to Know

  • Passing score: Must pass each of the 7 graded sections
  • Exam length: 240 questions
  • Time limit: Up to 4 hours
  • Exam / certification fees: $400 examination fee + $50 application fee Official sources

Using Our Practice Resources

  • Work through all 124 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

ABMDI Registry: Suggested Study Strategy

1Work through the NIJ publication Death Investigation: A Guide for the Scene Investigator and the Fundamental Tasks of Medicolegal Death Investigation task list -- ABMDI names both as the scope of knowledge for the Registry exam.
2Memorize postmortem-change timelines: rigor onset ~2-6 hours, full ~12 hours, dissipation 24-72 hours; livor fixed at 8-12 hours; algor mortis approximately 1.5°F per hour as a rule of thumb.
3Lock in cause vs mechanism vs manner: cause is the disease/injury, mechanism is the physiologic derangement, manner is one of natural, accident, suicide, homicide, or undetermined.
4Drill toxicology specimen choices — vitreous humor (2-3 mL) for late or decomposed cases, peripheral blood for accurate ethanol/drug levels, bile and liver for opioids, urine for screening.
5Practice gunshot range determination by feature: contact (muzzle imprint, soot, stellate tear), close/intermediate (stippling/tattooing), distant (no soot or stippling).
6Study reportable-death categories in your jurisdiction: sudden/unexpected, traumatic, in-custody, MVCs, drug-related, occupational, public-health, infant, and deaths within 24 hours of hospital admission.
7Read the NAME (National Association of Medical Examiners) Forensic Autopsy Performance Standards and the OSAC Medicolegal Death Investigation subcommittee documents to stay current with published standards.
8Build endurance with full timed practice sections before exam day — 4 hours of multiple-choice testing is taxing without prior pacing practice.

Frequently Asked Questions

What is the ABMDI Registry Certification?

The ABMDI Registry Certification is the entry-level board credential issued by the American Board of Medicolegal Death Investigators for working medicolegal death investigators. It has two tracks, Associate (no or limited scene experience) and Diplomate (at least 100 documented from death investigations with scene response), and documents that an investigator meets ABMDI's experience, training, and examination standards.

How many questions are on the ABMDI Registry exam and how long is it?

The ABMDI Registry exam is 240 multiple-choice questions: 230 graded questions distributed across 7 sections plus 10 ungraded pilot questions. Candidates have up to 4 hours (240 minutes) to complete it, and the exam is computer-based with a live remote proctor.

What is the ABMDI Registry passing score?

ABMDI requires a passing score in each of the 7 graded sections. The passing score for each section is set using standard cut-score methods, and ABMDI publishes no single combined cutoff. The testing agency reports pass/fail rather than numerical scores.

What are the eligibility requirements for the ABMDI Registry?

You must be at least 18 with a high school diploma or equivalent, be currently employed by a medical examiner/coroner jurisdiction or equivalent federal authority with responsibility to independently conduct or supervise medicolegal death investigations, hold 640 experience points (minimum 384 from employment), and complete the Fundamental Tasks of Medicolegal Death Investigation task list with a competent trainer. A professional reference and an employment verification form are also required.

What is the difference between Associate and Diplomate?

Both tracks fall under the Registry Certification and sit the same examination. Associate is for investigators with no or limited death-scene experience. Diplomate requires at least 100 from investigations conducted with scene response, meaning in-person scene work including body examination, scene photography, and investigative reporting, in addition to the overall 640-point requirement.

How much does the ABMDI Registry exam cost?

The examination fee is $400 and is non-refundable, in addition to a $50 non-refundable application fee. Registry retests with proctoring are $150 for one section, $250 for two sections, and $350 for three or more sections. After certification, ABMDI charges a $50 annual maintenance fee.

What happens if I fail one or more sections?

You may retest twice, for a total of three attempts within the 12-month application cycle. At least 30 days must pass between testing dates, and you retake only the section or sections you failed. The retest length and time limit match the questions allotted to those sections, so failing Section 1 alone produces a 23-question, 23-minute retest.

How do I recertify with ABMDI?

Certification runs in a 5-year cycle. Recertification requires 45 hours of ABMDI-approved continuing education accumulated after the certificant's current certification date, plus the administrative fee and current maintenance fees. ABMDI accepts continuing education approved by bodies including the AMA, ANA, ASCP, CAP, EMS agencies, FEMA, IACET, POST or state equivalents, and recognized post-secondary institutions.

What study material defines the scope of the Registry exam?

ABMDI states that the scope of knowledge for the Registry exam is defined in the National Institute of Justice publication Death Investigation: A Guide for the Scene Investigator and is further defined in the Fundamental Tasks of Medicolegal Death Investigation task list. ABMDI also publishes a suggested reading list and does not endorse any commercial program that claims to prepare candidates for the exam.