A Client Has the Following Order: "Apply Cold or Heat

A client has the following order: "Apply cold or heat packs as needed for pain relief." The nurse must recognize which of the following?

A) Heat often provides faster relief.
B) Combining the two therapies might provide the best relief.
C) Either method may cause peripheral nerve damage when used over an extended time frame (i.e. ,weeks,months) .
D) Cold is often better tolerated.