Which of the following is the correct list of tooth anatomy from the most superficial to the deepest?
A) Dentin, enamel, cementum
B) Enamel, root canal, dentin
C) Cementum, root canal, enamel
D) Enamel, dentin, pulp
E) Crown, enamel, dentin
D
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When atoms of elements on the left side of the periodic table ionize, they tend to
A. add neutrons and therefore become megaions. B. gain protons and therefore become anions. C. gain electrons and therefore become anions. D. lose electrons and therefore become cations. E. lose protons and therefore become cations.
The primary action(s) of the muscle which inserts onto the coronoid process of the mandible is
A. retrusion and elevation. B. protrusion and depression. C. elevation only. D. depression only. E. protrusion and lateral movement.
Insulin secretion is stimulated by ________ blood glucose concentrations.
A. decreased B. unchanged C. increased
Once a sperm enters a secondary oocyte, ________.
A. meiosis I of the oocyte begins B. other sperm quickly follow into the oocyte C. meiosis II of the oocyte begins D. mitotic division of the oocyte begins