MrsJones Is a New Client in the Practice

Mrs.Jones is a new client in the practice.On completion of the health history assessment,it is discovered that she was treated for a myocardial infarction 3 months ago.Before dental hygiene care,the client should do which of the following?

A) Be asked to use her nitroglycerin tablets sublingually if angina pain is experienced.
B) Receive prophylactic antibiotic premedication before invasive dental hygiene therapy.
C) Be checked for her prothrombin time to be sure that it is in the range of normal.
D) Be immediately referred to her physician or cardiologist because she is at high risk for a medical emergency.Care is postponed.