A 22-year-old male complains of difficulty breathing after being struck in the chest with a pipe. He has a six-inch bruise over his right axilla. His lung sounds are absent on the right lower chest. His vital signs are P 122, R 20, BP 88/72, and SpO2 is 94% on room air. You should:
a) Perform a focused abdominal assessment
b) Administer analgesics for pain relief
c) Apply high-flow oxygen
d) Prepare for chest tube insertion