Which Statement Is True Concerning the Salivary Flow

Multiple Choice

Which statement is true concerning the salivary flow?

A) The prosthesis is considered a foreign object and may cause the salivary glands to produce excessive saliva.
B) Physical conditions such as medications and radiation treatment may also increase the amount of saliva produced.
C) The lack of saliva may make it difficult for a patient to wear a prosthesis.
D) All of the above are true.