Utah Law Enforcement Officer (LEO) Practice Exam 2025 - Free LEO Practice Questions and Study Guide

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At what lethal dose (LD) does methanol become dangerous?

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0.075

Methanol becomes dangerous at a lethal dose of approximately 0.075 grams per kilogram of body weight. This low threshold indicates that even a relatively small amount can be toxic or fatal. Methanol is metabolized in the liver to formaldehyde and formic acid, substances that are highly toxic and can lead to severe consequences such as metabolic acidosis and damage to the optic nerve, potentially resulting in blindness. Understanding this dosing is crucial for law enforcement and emergency responders when assessing potential methanol poisoning in individuals. In this context, recognizing the specific dangers associated with methanol helps professionals respond effectively to exposure cases. Lesser dosages may cause significant health effects, but it is the 0.075 figure that denotes the point at which it becomes life-threatening.

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