This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
What is a straddle fracture? 
Select and explain. 
A. Fracture of the skull, B. Fracture of the C5 veebra, C. Multiple rib fracture both sides of the midline, D. Pelvic fracture
D: Pelvic fracture
Answer: D: Pelvic fracture 
Explanation: Straddle fracture of the pelvis (fracture of both superior and inferior pubic rami) is considered an unstable injury. The mechanism is a veical shear injury (in this case a car accident). Withstraddle fractures, there is a 40% chance of injury to the genitourinary tract Ref ganong's review of medical physiology 25e