Which Statement Regarding Exotoxins and Endotoxins Is True

question 12

Multiple Choice

Which statement regarding exotoxins and endotoxins is true?

• A) Endotoxins and exotoxins are highly immunogenic, allowing for the development of protective antibodies and vaccines.
• B) Endotoxin has targeted activity, whereas exotoxins have systemic effects when released.
• C) Endotoxin is released from the cell wall of dead bacteria, whereas exotoxin is released from live bacteria.
• D) Endotoxins and exotoxins bind to specific receptors on a bacterial cell, leading to the pathological events associated with the toxins.

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Definitions:

Volume Ratio

A comparative measure of the volume proportions of different substances or components within a mixture or object.

Finger-Like Projections

Extensions of tissues or cells resembling fingers, often used to increase surface area for absorption or sensing, like villi in the intestine.

Magnification

The ratio of the size of an image as seen with a microscope to its actual size.

Resolving Power

The ability of a microscope to show fine detail, defined as the minimum distance between two points at which they are seen as separate images; also called resolution.