What is a double blind trial?
When only the doctor knows who is taking placebo.
When neither the doctor or patient know who is taking placebo.
When both. the doctor and patient know who is taking placebo.
What decreases ADH?
Alcohol
Ecstasy
What is crude oil a mixture of?
Chlorofluorocarbons
Hydrocarbons
What is the ozone layer?
Layer surrounding the Earth, protecting us from infra-red radiation.
Layer surrounding the Earth, protecting us from visible light.
Layer surrounding the Earth, protecting us from ultra-violet radiation.
What is ADH?
Hormone which controls kidneys.
Hormone which controls lungs.
Hormone which controls brain.
