Mrs. Houston is a 78-year-old woman who resides in an assisted living facility. Her doctor ...

Mrs. Houston is a 78-year-old woman who resides in an assisted living facility.
 
  Her doctor prescribed digoxin at her last visit to the clinic and she has approached the nurse who makes regular visits to the assisted-living facility about this new drug. What teaching point should the nurse emphasize to Mrs. Houston?
  A) The importance of having required laboratory work performed on time
  B) The need to take the medication at the same time each day regardless of her heart rate
  C) The correct technique for using a home blood pressure cuff
  D) Timing household activities to coincide with the administration times of her digoxin