Forensic Toxicology — Flashcards

Flashcard 61: _____ is the most toxic arsenical.

Answer: Arsine gas

Flashcard 62: In acute poisoning with _____, the vomitus and stools will be luminous in the dark.

Answer: phosphorus

Flashcard 63: _____ acts as a poison by binding to sulfhydryl groups on enzymes (eg. glutathione metabolism)

Answer: Mercury (Not Arsenic)

Flashcard 64: What is the fatal period of Aconite poisoning?_____

Answer: 2-6 hours

Flashcard 65: Lee-Jones test is used to test for the presence of _____

Answer: cyanide

Flashcard 66: The _____ are the most poisonous part of the Aconite

Answer: roots

Flashcard 67: What is the toxic part of Papaver somniferum?_____

Answer: Unripe fruit capsule

Flashcard 68: Which plant produces seeds that are common adulterants of mustard oil and contain the toxin Sanguinarine?

Answer: Argemone mexicana (Prickly poppy)

Extra: Argemone mexicana seeds are common adulterants of mustard oil. They contain the alkaloid **Sanguinarine**, which causes **Epidemic Dropsy**. Key characteristics: - Seeds resemble mustard seeds but have a pitted/reticulated surface. - Detection: **Nitric acid test** (gives an orange-red color).

Flashcard 69: Identify the plant whose seeds are scarlet red with a black spot at one end (Rosary pea):

Answer: Abrus precatorius

Flashcard 70: What drug is used to manage bradycardia in aconite poisoning?

Answer: Atropine

Extra: Aconite (Monkshood) has no specific antidote. Treatment is symptomatic and supportive. Atropine is used to manage bradycardia and vagal effects. Anti-arrhythmics like amiodarone may be used for tachyarrhythmias.