What joint is usually the culprit in low back pain?
A. sacroiliac
B. lumbosacral
C. sacrococcygeal
D. acetabulum
B. lumbosacral
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On which type of neuron does saltatory conduction occur?
A. Nonmyelinated neurons only B. Myelinated neurons only C. Both nonmyelinated and myelinated neurons
What effect does acid have on bone?
A) It unravels proteins, leaving only the minerals behind. B) It dissolves the minerals, leaving only the organic matrix. C) It denatures the proteins and dissolves the mineral salts. D) It kills the osteocytes, making the bone die.
When electrons are lost from one reactant, they are transferred to another compound in reactions known as:
A) endergonic reactions. B) phosphorylation reactions. C) oxidation-reduction reactions. D) synthesis reactions.
Which of the following terms refers to reddened, elevated, and itchy patches of skin commonly caused by emotional stress, physical trauma, or certain food allergies?
a) wart b) hives c) papule d) cyst e) eczema