How can a tooth be moved in a bony socket during orthodontic treatment?
What will be an ideal response
Because bone deposition and reabsorption can occur, and because bone responds to mechanical stress (Wolff's law), a tooth can be moved. By applying slight pressure to a tooth, the bone on the forward side will rebsorb, while the bone on the reverse side will be reformed.
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The frequency of action potentials generated by the SA node is:
A. increased by parasympathetic stimulation. B. decreased by sympathetic stimulation. C. increased by acetylcholine. D. increased by epinephrine. E. increased by an increase in blood pressure.
Of the following types of camelid, which are the smallest with the highest-quality wool?
A) llamas B) alpacas C) vicunas D) guanacos
Why is it important to check ropes frequently?
What will be an ideal response?
Vasoconstriction of the afferent arteriole causes
a. a decrease in the glomerular filtration rate. b. an increase in the blood flow to the glomerulus. c. an increase in the net filtration pressure. d. an increase in the glomerular filtration rate.