An older client in a long-term care facility is receiving an…

An older client in a long-term care facility is receiving an annual physical examination and is ordered laboratory tests that include a complete blood count, serum electrolytes, and thyroid tests. When the client’s son questions why these tests are being ordered by saying, “Dad is 85 why are you bothering him all he wants to do is sleep?” the nurse’s response is based on what understanding?