The Half-Life of ³H Is 12 Years

question 74

Multiple Choice

The half-life of ³H is 12 years. About how long does it take for 7/8 of a sample of that radionuclide to decay?

• A) 3 years
• B) 24 years
• C) 4 years
• D) 36 years

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Definitions:

Pulse

The rhythmic expansion and contraction of arteries each time the heart beats, often felt at various points on the body as a heartbeat.

Carotid Artery

A major artery supplying blood to the head and neck region, divided into internal and external branches.

Abdominal Aorta

The major blood vessel in the abdomen that supplies blood to the lower part of the body.

Gastric Artery

Any of the arteries supplying blood to the stomach, vital for providing the necessary oxygen and nutrients for gastric function.