1. Why is it important to know the toxic mechanism of a poison?
To know what vital function will be affected.
To know the potential severity of the case.
It helps to decide what course of action will be taken.
All of the above.

2. Oxalic acid. Sulfuric acid. Alkali All of the above.
A classical example of a poison that can give both systemic and local effects is:
Oxalic acid.
Sulfuric acid.
Alkali
All of the above.

3. Types of hypoxia include
Hypoxic hypoxia
Anemic hypoxic
Cytotoxic hypoxia
Stagnant hypoxia
All of the above

4. Which of the following is a direct toxic mechanism:
Binding of the poison to cellular protein.
Inhibition of an enzyme.
Burning of the skin by a mineral acid.
Formation of a toxic metabolites.

5. A witness saw the incidence.
Which of the following indicators is most helpful to you in deciding whether you have a case of poisoning or not?
Signs and symptoms.
Laboratory analysis.
A witness saw the incidence.
Presence of the poison with poisoned person.

6. Dose of the poison. Age of the person. Sex of the person.
In general, which of the following factors is the most important regarding the expected severity of a case of poisoning?
Dose of the poison.
Age of the person.
Sex of the person.
Form of the substance.
Route of exposure.

7. Why is it important to know the toxic mechanism of a poison?
To know what vital function will be affected.
To know the potential severity of the case.
It helps to decide what course of action will be taken.
All of the above.
Only A & C.

8. All of the above give almost the same frequency of cases.
The source of poison that give least frequent number of cases but most serious is:
Animal source.
Plant source.
Chemical source.
All of the above give almost the same frequency of cases.

9. Carrying out a gastric lavage.
When a poison is inhaled what methods you will be thinking of to manage the case?
Induction of emesis.
Carrying out a gastric lavage.
Thinking of an active elimination technique.
Administration of a suitable antidote.
Both (C) & (D) are possible.

10. The following is a good example of direct toxic mechanism:
A burn of student hand in the lab by a sulfuric acid.
Inhibition of AchE in a case of organophosphate poisoning.
Death due to asphyxia by CO poisoning.
Interruption of protein synthesis by a heavy metal.
Depletion of liver glutathione by paracetamol poisoning.

11. Absorption of the poison is more by:
A) inhalation B) ingestion C) Skin contact D) Absorption is similar in all routes

12. Absorption of the poison means
A) Poison reaches circulation B) Poison leaves blood to tissues D) Effect of the poison on receptors E) none of the above

13. Which of the following poisons can be identified by smell?
parathion.
Alcohol.
Hashish.
All of the above.
None of the above.

14. Which of the following corrosive acids can cause both local and systemic action?
Oxalic acid.
Hydrochloric acid.
Sulfuric acid.
All of the above.

15. Select the wrong statement
Toxicology is the science of poisons
Forensic toxicology deals with the identification of legal aspects of poisoning
The poison is the substance that causes harmful effects to the living organism
All poisons are toxins