What causes the pain associated with a herniated disc?
a. abnormal spinal curvature pinching the spinal cord
b. pressure on spinal nerves by the protruding disc
c. vertebral bodies scraping against each other
d. bone spurs pressing against nerves
Answer: b. pressure on spinal nerves by the protruding disc
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A group of nerve cell bodies located outside the central nervous system is called a:
a. nerve b. ganglion c. nucleus d. column e. commissure
Which of the epithelial membranes encases individual organs?
A) Cutaneous B) Mucous C) Visceral D) Parietal
Answer the following statements true (T) or false (F)
1) Periosteum covers the outer surface of a bone. 2) The metaphysis is the tubular shaft of a long bone. 3) A displaced fracture retains the normal alignment of the bone elements or fragments. 4) A compression fracture occurs particularly in vertebrae subjected to extreme stress, such as when landing on the gluteal region after a fall. 5) A Pott fracture occurs at the ankle and affects both bones of the lower leg.
How did the total air flow in this trial differ from that in the previous trial in which the pleural cavities were intact?
A. It doubled in value. B. It was cut in half. C. It did not change D. It went to zero.