When Running Late on the Client Appointment Schedule,the Dental Hygienist

When running late on the client appointment schedule,the dental hygienist can use a fluoride-containing prophylaxis paste instead of a professionally applied fluoride gel treatment for a client at moderate risk for caries.Fluoride-containing prophylaxis paste has been shown to deliver 4000 to 20,000 ppm fluoride to the teeth when used properly.

A) Both the statement and reason are correct,and they are related.
B) Both the statement and reason are correct,but they are not related.
C) The statement is correct,but the reason is not.
D) The statement is not correct,but the reason is.
E) Neither the statement nor the reason is correct.