The Term LD₅₀ represents Which of the Following

question 9

Multiple Choice

The term LD₅₀ represents which of the following?

• A)the dosage of toxic material needed to kill 50% of the exposed population in 30 days
• B)the number of people killed by 1 mg of a toxic material in one day
• C)the number of people killed by 1 mg of a toxic material in 30 days
• D)the percentage of people that will die when exposed to 50 mg of a toxic substance
• E)the amount of radiation absorbed by the body when standing 50 m from a radioactive substance

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Definitions:

Sclera

The white outer layer of the eyeball, providing protection and giving the eye its shape.

Bipolar Cells

Specialized neurons in the retina that play a crucial role in visual processing by connecting photoreceptors to ganglion cells.

Ganglion Cells

Type of neurons located in the retina that receive visual information from photoreceptors and transmit it to the brain.

Photoreceptors

Cells in the retina of the eye that respond to light, initiating the process of visual perception.