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

Anatomy & Physiology

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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.

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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

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The tapered, conical inferior end of the spinal cord is called the conus

A. caudalis. B. equine. C. medullaris. D. finalis.

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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.

Anatomy & Physiology