Assessment of a trauma patient reveals paradoxical movement to the left side of his chest. The patient is conscious, but restless, and is experiencing severe pain. His breathing is rapid and shallow and his pulse is rapid and weak. The EMT should:
A) Administer oxygen and provide pain relief
B) Apply a chest seal and monitor vital signs
C) Perform a needle decompression and administer IV fluids
D) Stabilize the patient's chest with a bulky dressing and monitor vital signs