Zinc oxide eugenol contains ________, which soothes pulpal structures
clove oil
calcium hydroxide
fluoride
calcium
clove oil
Rationale: clove oil-clove oil is the main component in eugenol. For centuries, clove oil has been used as a topical anesthetic and can provide comfort to dental tissues during the healing phase.
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When a substance changes from one type of matter to another, it has had a:
A. chemical shift. B. physical change. C. chemical reaction. D. physical alteration.
Ipratropium bromide is indicated to treat which of the following?
a. Allergic rhinitis b. Maintenance therapy in patients with COPD c. Nonallergic rhinitis d. All of the above
A qualifying circumstance code for utilization of controlled hypotension is:
a. 99100. b. 99116. c. 99135. d. 99140.
Characteristics of a safe ambulance operator include:
A. the ability to operate an ambulance at a high rate of speed. B. a positive attitude about the ability to tolerate other drivers. C. realizing that lights and siren will be effective traffic tools. D. an offensive attitude about driving during an emergency call.