Toxicity Classification and Effects Quiz

A toxin is a naturally produced toxic substance, while a toxicant is a human-made toxic substance.

Routes of toxic exposure include ingestion (e.g. household products), absorption (e.g. insecticides), inhalation (e.g. toxic gases), and injection (e.g. animal bites).

Accidental toxicity occurs due to mistakes and often involve children, while deliberate self-toxicity is intentional and may be suicidal or criminal.

<p>It focuses on the effects of chemical or physical pollutants in the environment on living organisms.</p> Signup and view all the answers

<p>It assesses the effects of chemical and physical agents on the hereditary material (DNA) of living cells.</p> Signup and view all the answers

<p>It is concerned with identification of the cause of death and determining its circumstances in a postmortem investigation.</p> Signup and view all the answers

<p>It is concerned with the diagnosis and management of poisoned patients.</p> Signup and view all the answers

<p>Class II drugs displace Class I drug molecules from binding sites, leading to a more toxic effect.</p> Signup and view all the answers

<p>In neonates, sulphonamides may increase the level of free bilirubin in the blood, potentially causing brain damage and kernicterus. In older children and adults, this does not happen due to the conjugation of bilirubin with glucuronic acid.</p> Signup and view all the answers

<p>Liver and kidney concentrate more toxicants because they play a vital role in the elimination of toxicants.</p> Signup and view all the answers