Final answer:
d) The client's response to the prescribed antibiotics. The priority information for the nurse to provide in the change-of-shift report about a client with pneumonia is the client's response to the prescribed antibiotics.
Step-by-step explanation:
The priority piece of information for the nurse to provide in the change-of-shift report about a client with pneumonia is d) The client's response to the prescribed antibiotics. It is important for the nurse to communicate whether the client's condition has improved, worsened, or remained stable after starting the antibiotics. This information helps guide further treatment decisions and ensures timely interventions if the client is not responding well to the medication.