What Can Be Inferred from the Graph Below

question 3

Multiple Choice

What can be inferred from the graph below?

• A)The biological response for both toxicants increases as the dose is increased.
• B)For both toxicants, a harmful response occurs only above a certain threshold level, that is different for each toxicant.
• C)Toxicant A has a lower effective dose-50 percent (ED₅₀)than toxicant B.
• D)All of the above can be inferred from the graph.

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Definitions:

Emergency

A situation that poses an immediate risk to health, life, property, or environment requiring urgent intervention.

Autonomic Nervous

Part of the nervous system that controls involuntary actions of the muscles and glands, including heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal.

Digesting

is the biological process in which an organism breaks down food through mechanical and chemical means to absorb nutrients, involving various organs in the digestive system.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, overseeing both voluntary action and the regulation of involuntary processes.