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Shivi Forensics

Forensic Weekly Quiz 15

Topic: Drugs
Created by: Abhishek Katiyar 

1) Which of the following is an example of a central nervous system depressant commonly screened for in forensic toxicology?
Cocaine
Marijuana
Heroin
Benzodiapine

2) Botulism is a form of 
Volatile poison
Food poisoning
Pesticide
Metallic poisoning

3) Effect of barbiturates onset after
12 hours
8 hours
2 hours
6 hours

4) The brick red colour of post mortem lividity is seen in Poisoning due to ?
Carbon monoxide
Hydrogen sulphide
Phosphorus
Cyanide

5) Which is true about the LD50 ?
Dose of a substance to which 50% of animal do not show any response
Dose of a substance which kills 50% of animal exposed.
Dose of a substance which can kill animals
50% of the dose of a substance which can kill an animal

6) The LD50 is calculated from 
A quantal dose-response curve
A hormesis dose-response curve
A graded dose-response curve
A log-log dose-response curve

7) A U-shaped graded toxicity dose-response curve is seen in humans with
Pesticides
Sedatives
Opiates
Vitamins

8) The most rapid exposure to a chemical would occur through which of the following
routes
Oral
Subcutaneous
Inhalation
Intramuscular

9) The treatment of strychnine induced convulsions by diazepam is an example
Chemical antagonism
Dispositional antagonism
Receptor antagonism
Functional antagonism

10) The most common target organ of toxicity is the 
Heart
Lung
CNS (brain and spinal)
Skin


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