Toxicology Test Review 1 - Heidi Cooley | Biblioteka

1

A victim is exposed to radium every day for 20 years. Is this chronic or acute poisoning?

Chronic

Acute

1

What is the LD50 of a substance?

The amount needed to kill 100% of the test population

The amount needed to kill 50% of the test population

The level of addictiveness of a toxin

The measure of how common a poison is

1

The LD50 of a substance is 10 mg/kg. What amount would have a 50% chance of killing of a 20kg child?

10 mg

20 mg

100 mg

200 mg

1

How is dosage related to toxicity?

The higher the dosage, the higher the toxicity.

The lower the dosage, the lower the toxicity

The higher the dosage, the lower the toxicity

1

How is presumptive drug testing different from confirmation drug testing?

Presumptive testing determines if a toxin is present, while confirmation testing determines the specific type and amount of toxin present

Presumptive testing determines the specific type and amount of toxin present, while confirmation testing determines if a toxin is present

Presumptive testing determines only how much of a toxin is present, while confirmation testing only determines the specific type of toxin present

Presumptive testing determines only the specific type of toxin present, while confirmation testing determines only how much of a toxin is present