A1. A construction worker of 37 years old is brought to the Emergency Departmen after falling from a 9 meters (30 feet) scaffolding. His vital signs are: heart rate 140, blood pressure 96/60 mm Hg, and respiratory rate 36. He is complaining bitterly of lower abdominal and lower limb pain, and has obvious deformity of both lower legs with bilateral open tibial fractures. Which one of the following statements concerning this patient is CORRECT?:
a) Pelvic injury can be ruled out based on the mechanism of injury.
b) Blood loss from the lower limbs is the most likely cause of his hypotension.
c) Xrays of the chest and pelvis are important adjuncts in his initial assessment.
d) Spinal cord injury is the most likely cause of his hypotension.
e) Aortic injury is the most likely cause of his tachycardia.