Which of the Following Would Be a Suitable Definition of a Half-Life

question 48

Multiple Choice

Which of the following would be a suitable definition of a half-life?

• A) the amount of time it takes half of the patients to die after an exposure to an amount of radiation
• B) half the amount of time it takes for a sample to completely lose its background radioactivity.
• C) half the amount of time it takes for an isotope to completely decay
• D) the amount of time it takes an isotope to decay to half its original amount
• E) the amount of time it takes until half of the penetrating power is gone from the sample.

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Definitions:

Tendons

Strong connective tissues that connect muscles to bones, transmitting the force that allows movement.

Ligaments

Strong, flexible fibers that connect bones to other bones at joints.

Extracellular Matrix

A complex network of proteins and carbohydrates surrounding cells, providing structural and biochemical support to the surrounding cells.

Ground Substance

The unstructured material that fills the space between the cells and contains the fibers in connective tissue.