Risk And Poison

Question 1

Risk

Answer 1

How likely something is to happen + the severity of that thing that can possibly happen

Probably + damage severity

Question 2

Risk assessment

Answer 2

Estimate how much harm a hazard can cause

Question 3

Risk management

Answer 3

Deciding whether or not to reduce a certain risk and at what cost it would be to do so

Question 4

Risk assessment steps

Answer 4

1.Hazard identification
2.Assessment
3.Risk characterization

Question 5

Dose response assessment

Answer 5

What effect does a particular dose of exposure have on people?

Question 6

LD 50

Answer 6

Median Lethal Dose. The lower the number the more dangerous

The amount of a substance needed to kill half the population of the study. Determined by the curve

High LD= low toxicity
Low LD= high toxicity

If it takes a higher dose to kill people, that’s better than a lower dose

Question 7

Variability in dose response

Answer 7

Everyone’s body is different. Some may be more and less vulnerable

Some factors
- Age
-Health
-Substance

Question 8

Synergistic Effects

Answer 8

The sum of chemicals may be deadlier than just the individual chemicals by themselves. Their synergy may make the worse

Question 9

Epidemiology

Answer 9

Why some get sick and others don’t in a population. How does exposure differ across the population?

Question 10

Government toxic risk steps

Answer 10

Risk assessment, risk management, policy