Biological half-life is the time required for
A. half of an ionic compound to ionize.
B. half of a radioactive material to be eliminated from the body.
C. radiation exposure that is lethal for half of a biological population.
D. radioactivity levels of organic compounds to stabilize at one-half their original value.
Answer: B
You might also like to view...
Ninety-nine percent of the cardiac fibers are specialized for ____________________, whereas the remainder are specialized for ____________________
Fill in the blank(s) with correct word
This figure illustrates bone growth in length at the epiphyseal plate. Zone "A" represents
A. the zone of calcification. B. the zone of proliferation. C. the zone of resting cartilage. D. bone tissue of the diaphysis. E. the zone of hypertrophy.
Which of the following is not found in thick skin?
a. stratum corneum b. stratum lucidum c. sweat glands d. typical sebaceous glands
________ are the tiny, fluid-filled canals that serve as passageways for the movement of materials between osteocytes and the blood supply.
A. Trabeculae B. Lamellae C. Canaliculi D. Lacunae