What gives some teeth a yellow tone?
a. Yellow enamel
b. Dentin showing under translucent enamel
c. Cementum being exposed
d. None of the above
b
RATIONALE: Teeth may exhibit a yellow tone when the dentin shows under translucent enamel.
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A 26-year-old woman is complaining of severe abdominal pain and heavy vaginal bleeding. She has used five sanitary napkins in the past hour. Her last menstrual period was six weeks ago, and she describes a history of irregular periods, but never to this extent. Management of this patient should include:
A) IV dextrose. B) oral antiemetic. C) IM epinephrine. D) IV fluids.
Answer the following statement(s) true (T) or false (F)
Because most surveys are conducted using simple random sampling, you seldom need to worry about how to apply weights correctly when analyzing them.
The first Pure Food and Drug Act was passed by Congress in:
A. 1806 B. 1851 C. 1906 D. 1951
Materials such as rubber or plastic, which resist the flow of electrons, are called:
A) conductors. B) insulators. C) photons. D) amperes.