The Nurse Is Teaching a Client How to Prepare for an Oral

The nurse is teaching a client how to prepare for an oral glucose tolerance test (OGTT) . Which of the following client response indicates that the teaching has been effective?

A) Fast 12 hours before the procedure
B) Clear fluid diet 12 hours prior to the test
C) Drink only full fluids 6 hours before the test
D) No fluid or food restrictions prior to the test