Final answer:
In this situation, the construction worker should stabilize the steel rod, control the bleeding, begin CPR, immobilize the spine, and transport immediately.
Step-by-step explanation:
In this situation, the best course of action is to stabilize the steel rod, control the bleeding, begin CPR, immobilize the spine, and transport the construction worker immediately.
It is important to control the bleeding and stabilize the impaled rod to minimize further injury. CPR should be started to provide life-saving chest compressions and maintain blood flow until medical professionals arrive. Immobilizing the spine is necessary to prevent any potential spinal cord injury during transportation.