Which of the following is NOT a “tarter control” dentifrice ingredient?

Which one of the following is a loosely adherent mass of bacteria and cellular debris and is white or grayish-white in appearance? 

Which of the following professional topical fluorides has the potential to dissolve the filler particles of composite resin restorations (tooth colored)?

Gram-positive cocci enter the bacterial biofilm in how many hours? 

Alcohol based hand rubs have good or excellent antimicrobial activity against which of the following microorganisms?

In adults, sudden death from an acute myocardial infarction is usually caused by:

A patient with a long history of “hay fever” has recently begun a series of immunotherapy (allergy shots). How will this treatment potentially achieve a therapeutic effect?

Which of the following pathophysiologic phenomena may result in a diagnosis of Cushing disease?

A 33-year-old patient has been admitted to the hospital for the treatment of Graves disease. Which of the following assessments should the patient’s care team prioritize?

Which of the following statements by the husband of a patient with Alzheimer disease demonstrates an accurate understanding of his wife’s medication regimen?