A tangential, inferosuperior carpal canal wrist projection with poor positioning demonstrates su-perimposition of the pisiform and hamulus of the hamate. How should the positioning setup be adjusted for an optimal image to be obtained?

There are ________ grams of pure drug in a 9% solution

Fill in the blank with the appropriate word.

Fluoride rinses have a place as a component of a preventative program and can be substituted for other modalities of fluoride use. Fluoride rinses are used mainly for patients with a high risk of contracting caries

A) Both statements are true. B) Both statements are false. C) First statement is true, second statement is false. D) First statement is false, second statement is true.