Quiz on Toxicology

What is toxicology?

• The study of plants

• The study of poisons

• The study of diseases

• The study of animals

What does the term 'toxic substance' refer to?

• A substance that has a negative effect on health

• A substance that has a positive effect on health

• A substance that is harmless

• A substance that is beneficial

Which of the following is NOT an entry route for toxic substances?

• Ingestion

• Evaporation

• Inhalation

• Absorption

What is the primary method of excretion for toxicants?

• Through the hair

• Through the lungs

• Through the kidneys

• Through the skin

What does 'LC50' stand for?

• Lethal Concentration for 75% of a population

• Lethal Concentration for 25% of a population

• Lethal Concentration for 50% of a population

• Lethal Concentration for 100% of a population

Which of the following is a reversible toxic effect?

• Skin irritation

• Neurological damage

• Cancer

• Permanent organ damage

What is the main factor that determines the level of toxicity?

• The type of substance

• The concentration and dose

• The color of the substance

• The temperature of the environment

Which of the following is a method for controlling exposure to toxicants?

• Working without ventilation

• Using no protective equipment

• Enforcement of rules on eating and drinking

• Ignoring safety rules

What is the definition of 'dose' in toxicology?

• The method of administration

• The amount of a substance administered

• The time of exposure

• The type of substance

Which of the following is a common cause of dermatitis?

• Inhalation of gases

• Skin contact with toxic agents

• Ingestion of contaminated food

• Injection of substances