ABMDI Toxicology and Drug-Related Deaths 1

Question 1

In the context of death investigation, which specimens are most commonly collected for toxicological analysis?

Accepted Answer

Blood, urine, vitreous humor, and gastric contents

Answer

Standard toxicology collection includes peripheral blood, urine, vitreous humor, and gastric contents to provide the most comprehensive drug and poison screen.

Question 2

Why is vitreous humor (eye fluid) particularly valuable in postmortem toxicology?

Accepted Answer

It is largely isolated from postmortem redistribution and decomposition

Answer

Vitreous humor is anatomically isolated, making it less susceptible to postmortem redistribution and bacterial contamination than blood samples.

Question 3

What is 'postmortem redistribution' of drugs and why is it important to medicolegal death investigators?

Accepted Answer

The movement of drugs from tissues into blood after death, which can alter measured concentrations

Answer

Postmortem redistribution is the diffusion of drugs from organs and tissues into blood after death, which can artificially elevate blood drug levels measured at autopsy.

Question 4

Which of the following is considered a 'central blood' specimen and why does its collection location matter?

Accepted Answer

Subclavian or cardiac blood, because high concentrations from organ redistribution can cause artificially elevated readings

Answer

Central blood collected near the heart or major vessels is prone to higher drug concentrations due to redistribution from the liver, lungs, and other organs.

Question 5

At a suspected drug overdose scene, an MDI finds an empty prescription bottle. What information from the label is most critical to document?

Accepted Answer

Drug name, dosage, prescribed quantity, dispensing date, and prescribing physician

Answer

All label details including drug name, dose, quantity dispensed, and fill date help reconstruct consumption patterns and determine potential for overdose.

ABMDI - American Board of Medicolegal Death Investigators Practice Test

ABMDI - American Board of Medicolegal Death Investigators Practice Test

ABMDI Toxicology and Drug-Related Deaths 1