When taken orally, fluoride is absorbed and initially taken up into the
a. plasma of the bloodstream.
b. bone.
c. cementum.
d. skin.
a. When taken orally, fluoride is adsorbed and taken up into the plasma of the bloodstream. The plasma then circulates throughout the body including bone and form saliva.
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Biopsy tissue and cytology smears of early herpes simplex lesions show evidence of viral infection. The viral-induced changes would appear as alterations in the nuclei of which of the following cells?
a. Langerhans cells b. Inflammatory cells c. Fibroblasts d. Muscle cells e. None of the above
Which statement does not accurately describe a needle used for dental local anesthesia?
A) Sterile stainless steel for single-patient use B) Identified by length and diameter C) Plastic needle caps with standard color coding D) Available in 25, 27, and 30 gauge