Most immediate radiological inv required during initial resuscitation phase?

A 35yo man skidded on a wet road while riding his motorbike at a speed of 70mph. He has a large hematoma on temporal scalp, some bruises on chest wall and abdomen and a deformed thigh. GCS High flow oxygen via mask given. Most immediate radiological inv required during initial resuscitation phase?

a. CXR
b. CT brain
c. CT abdomen
d. XR femur

Ans. The key is A. CXR. [CXR may reveal possible chest structure trauma requiring urgent attention which may be life saving while brain lesion and fracture femur may be managed taking more time