Forensic Medicine Practice

20 learning units • 10 questions per unit • 200 explained questions

Module 18 — Metals & Poisonous Plants

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Question 01 • Single best answer

Which investigation is central to assessing lead exposure in a child?

A. Skin color alone B. A guessed exposure from school performance alone C. A routine urine dipstick as a complete substitute D. An appropriately collected blood lead measurement

Question 02 • Single best answer

What remains essential even when chelation is indicated for metal poisoning?

A. Identifying and controlling the exposure source B. Continuing exposure to test treatment response C. Ignoring occupational history D. Treating the level without any follow-up

Question 03 • Single best answer

Why can total urinary arsenic be difficult to interpret after seafood consumption?

A. Seafood always proves inorganic arsenic poisoning B. All arsenic forms have identical toxicity C. Urine cannot contain arsenic D. Organic arsenic can contribute to the measured total

Question 04 • Single best answer

Why must the form of mercury be identified where possible?

A. Every mercury form has identical effects B. Only the patient's name changes the risk C. Chemical form affects color but never toxicity D. Toxicity and distribution vary with chemical form and route

Question 05 • Single best answer

Which effects can occur with significant copper-salt poisoning?

A. Only a harmless change in taste B. Guaranteed isolated cataract C. Gastrointestinal injury, hemolysis and organ damage D. Complete protection from renal injury

Question 06 • Single best answer

Which statement about chelators is correct?

A. One chelator safely treats every toxin B. Any detectable metal level requires treatment C. They replace the need for diagnosis D. They have metal-specific indications and their own risks

Question 07 • Single best answer

Which syndrome is compatible with Datura poisoning?

A. Pure cholinergic excess with profuse secretions B. Isolated anticoagulation without neurological effects C. A required opioid syndrome D. Antimuscarinic delirium with dryness and mydriasis

Question 08 • Single best answer

Which inhibitory signaling pathway is disrupted by strychnine?

A. Platelet P2Y12 signaling B. Gastric H2 signaling C. Insulin-receptor signaling D. Glycine receptor-mediated inhibition

Question 09 • Single best answer

What is the principal target of oleander cardiac glycosides?

A. Bacterial cell-wall synthesis B. Histamine H1 receptors alone C. Sodium-potassium ATPase D. Renal glucose cotransport alone

Question 10 • Single best answer

Which plant toxin is particularly associated with altered sodium-channel function and arrhythmias?

A. A plain dietary fiber B. Purified oral rehydration salts C. A standard emollient base D. Aconite alkaloids