The nurse has provided education for a client prescribed alendronate (fosamax). Which statements made by the client indicate an understanding of the information? Select all that apply.
1) Alendronate should be taken with a full glass of water.
2) It is important to remain upright for at least 30 minutes after taking alendronate.
3) Alendronate should be taken on an empty stomach.
4) Calcium supplements should be avoided while taking alendronate.
5) Alendronate can cause gastrointestinal side effects.