A nurse is caring for a client who is diagnosed with a deep vein thrombosis (DVT) and is receiving heparin. The client asks the nurse how long it will take for the heparin to dissolve the clot, which of the following responses should the nurse give?

"Depending on the level of your PT/INR, the clot will begin to dissolve."

"After the first dose, the clot will begin to dissolve."

"It usually takes heparin at least 2 to 3 days to reach a therapeutic blood level."

"Heparin does not dissolve clots. It stops new clots from forming."