Toxicity Is Rated According to the Amount of a Substance

question 58

Multiple Choice

Toxicity is rated according to the amount of a substance that is necessary to kill 50% of humans,given in milligrams per kilogram of body weight.A rating of supertoxic has an LD50 of ____.

• A) less than 5 mg/kg
• B) 5-50 mg/kg
• C) 50-500 mg/kg
• D) 500-5000 mg/kg
• E) 5000-15000 mg/kg

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Definitions:

Recognize Melodies

The cognitive process of identifying and understanding musical tunes, which is often linked to the brain's auditory cortex and memory systems.

A1 Area

The primary auditory cortex located in the temporal lobe of the brain, responsible for processing sounds and auditory information.

Auditory Cortex

The part of the cerebral cortex that processes auditory information, located in the temporal lobes.

Simple Tones

Pure sounds that consist of a single frequency, unlike complex sounds that contain multiple frequencies.