Which of the following is an example of positive feedback mechanism?
-A blood clot forms after a chef cuts her finger
-As calcium level rises in the blood, the excess calcium attaches itself to bone
-A runner completes a race, and her heartbeat slows to a normal level.
-A soccer game begins, and the player's respirations rise because of exercise exertion
-A blood clot forms after a chef cuts her finger
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Which of the following muscles is inferior to the lips?
A) masseter B) risorius C) depressor anguli oris D) frontalis E) zygomaticus major
Herbal toxicities may be seen in animals with owners who are overzealous about the use of herbs in their pets. Overzealous owners may give their animals "too much of a good thing" and cause more harm than good. What are antidotes for herbal overdoses?
What will be an ideal response?
The hormone responsible for the development and maintenance of female secondary sexual characteristics is
A) estrogen. B) progesterone. C) LH. D) FSH. E) gonadotropin.
Amelogen is a protein that is very abundant in:
a. Cementum b. Dentin c. Enamel d. The periodontal ligament e. The pulp cavity of a tooth