Positive feedback mechanisms usually produce
A. long-term changes.
B. unstable conditions.
C. stable conditions around a set point.
D. changes returning values toward a set point.
Answer: B
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During lab class, you conducted a two-point discrimination test on your lab partner. At the tip of the index finger, the two-point discrimination was 5 mm. On the dorsal surface of the hand, the two-point discrimination was 10 mm. Given the results of this test, which of the following statements is true?
A) The density of skin receptors is equal in both areas tested. B) The density of skin receptors is greater on the dorsal surface of the hand than on the tip of the index finger. C) The density of skin receptors is greater at the tip of the index finger than on the dorsal surface of the hand. D) There is not enough information to draw a conclusion about the density of skin receptors in the areas that were tested.
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Fill in the blank(s) with the appropriate word(s).
From superior to inferior, the three regions of the pharynx are the ________
A) oropharynx, nasopharynx, laryngopharynx B) nasopharynx, oropharynx, laryngopharynx C) laryngopharynx, oropharynx, nasopharynx D) nasopharynx, laryngopharynx, oropharynx
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What will be an ideal response