The nurse is reinforcing teaching with a group of caregivers of children diagnosed with iron-deficiency anemia. one of the caregivers tells the group, “i give my child ferrous sulfate.” which statement made by the caregivers is correct regarding giving ferrous sulfate? (a) "we watch closely for any diarrhea since that usually happens when he takes ferrous sulfate." (b) "when i give my son ferrous sulfate i know he also needs potassium supplements." (c) "my husband gives our daughter orange juice when she takes her ferrous sulfate, so she gets vitamin c." (d) "i always give the ferrous sulfate with meals."