Barbie Had a Arteriovenous Fistula Access and Starts Hemodialysis as Treatment

Barbie had a Arteriovenous fistula access and starts hemodialysis as treatment for a renal failure. Which of the following statement made by the mother would indicate further teaching:

A) "I will ensure that my child drinks enough fluid if weather is warm"
B) "I will check the pulse at the wrist of the arm with fistula everyday"
C) "I will need to call the clinic once my child develops diarrhea"
D) "I will take blood pressure in the arm with fistula everyday"