The Nurse Obtains a Health History from an Older Patient

The nurse obtains a health history from an older patient with a prosthetic mitral valve who has symptoms of infective endocarditis (IE) . Which question by the nurse is most focused on identifying a risk factor for IE?

A) "Do you have a history of a heart attack?"
B) "Is there a family history of endocarditis?"
C) "Have you had any recent immunizations?"
D) "Have you had dental work done recently?"