Asked by Maria Castro on May 14, 2024
Verified
Which of the following is a type of chemical hazard?
A) a hormone
B) LC50
C) a zymogen
D) a mutagen
Chemical Hazard
A type of hazard posed by chemicals which can cause harm or damage to humans, animals, or the environment.
Mutagen
A chemical or physical agent that interacts with DNA and causes a mutation.
LC50
The lethal concentration of a substance that causes death in 50% of a population of test organisms within a specified period, a common measure in toxicity tests.
- Identify the key categories of hazards, including chemical, biological, physical, and cultural, and offer illustrations for each.
Verified Answer
MA
Maysam AslamiMay 17, 2024
Final Answer :
D
Explanation :
Mutagens are substances that cause changes or mutations in genetic material. They are a type of chemical hazard that can cause harm to organisms and even lead to diseases like cancer. A hormone (A) is a chemical produced by the body that regulates certain functions. LC50 (B) is a measure of toxicity used to determine the concentration of a substance that is lethal to 50% of a test population. A zymogen (C) is an inactive precursor to an enzyme. While it may be hazardous in certain situations, it is not a type of chemical hazard.
Learning Objectives
- Identify the key categories of hazards, including chemical, biological, physical, and cultural, and offer illustrations for each.
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