Which of the following are likely to stain the teeth during the use of the rubber cup polishing?
a. Natural cups
b. Synthetic rubber cups
c. Black cups
d. Natural rubber cups
c
RATIONALE: Black cups are likely to stain the teeth during the use of the rubber cup polishing.
Health Professions
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The papillae covering the dorsal of the tongue are hairlike projections known as _______ papillae
a. foliate b. fungiform c. circumvallate d. filiform
Health Professions
The test for Class B extinguishers involves igniting a pan of a flammable liquid (____), allowing a preburn period, and attacking the fire.
A. propane B. heptane C. butane D. acetylene
Health Professions