Osteoporosis is
A. bone inflammation that often results from bacterial infection.
B. a disease in adults characterized by softening of bones resulting from calcium depletion.
C. a group of genetic disorders producing very brittle bones that are easily fractured; occurs because of insufficient collagen development.
D. a disease in adults, especially women, characterized by a reduced amount of bone matrix.
E. a disease in children characterized by soft, bowed, and swollen bones.
D
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When a partial pressure gradient exists for a gas, it will move from the area of its lower partial pressure to the area of higher partial pressure
Indicate whether this statement is true or false.
Which brain area is considered to be a key integrating center for homeostasis?
A) pituitary gland B) brain stem C) hypothalamus D) thalamus E) medulla
One of the primary reasons that one individual is faster in a 50-meter sprint than another is due to
a. a greater number of muscle fibers of smaller diameter. b. more oxidative fibers in the lower limb muscles. c. an enhanced ability to deliver oxygen to the muscles. d. a greater percentage of fast-twitch fibers in the lower limb muscles.
The tapered, conical inferior end of the spinal cord is called the conus
A. caudalis. B. equine. C. medullaris. D. finalis.