Front

What factors influence the toxicity of a poison?

Back

Factors include body weight, overall health, age, gender, dosage, duration of exposure, how the drug was taken, and interactions with other substances.

Front

What does a breathalyzer measure?

Back

A breathalyzer measures the amount of alcohol in a person's deep breath.

Front

Define 'toxin'.

Back

A toxin is a substance naturally produced by living organisms that can cause illness or death in humans.

Front

What is the significance of LD50 in toxicology?

Back

LD50 (lethal dose 50) is the amount of a substance required to kill 50% of a test population, indicating its toxicity.

Front

Which substance is most toxic based on LD50?

Back

Botulin toxin has the lowest LD50, making it the most toxic substance listed.

Front

What is the relationship between dosage and toxicity?

Back

Higher dosages of a substance generally increase its toxicity.

Front

How does the method of administration affect toxicity?

Back

The method of administration (e.g., oral, intravenous) can influence how quickly and effectively a toxin acts in the body.

Front

What role do interactions with other drugs play in toxicity?

Back

Interactions with other drugs can enhance or reduce the toxicity of a substance.

Front

What is the difference between a toxin and a pathogen?

Back

A toxin is a poisonous substance produced by living organisms, while a pathogen is a microorganism that causes disease.

Front

What is the importance of duration of exposure in toxicology?

Back

The duration of exposure to a toxic substance can affect the severity of its effects on health.