This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Spinal injuries, Subject name: Orthopaedics
A patient involved in a road traffic accident presents with quadriparesis, sphincter disturbance, sensory level up to the upper border of sternum and a respiratory rate of 35/minute. The likely level of lesion is - 
Select and explain. 
A. C1 - C2, B. C4 - C5, C. T1 - T2, D. T3 - T4
B: C4 - C5
Answer: B: C4 - C5 
Explanation: INJURY LEVEL C1-C-2 levels will often result in loss of breathing, necissitating mechanical ventilators or phrenic nerve pacing. C3- Typically results in loss of diaphragm function, ssitating the use of a ventilator for breathing. C4-Results in significant loss of function at the biceps and shoulders. C5-Results in potential loss of function at the shoulders and biceps, and complete loss of function at the wrists and hands. C6- Results in limited wrist control, and complete loss of function. and complete loss of hand function C7-T1 : Results in lack of dexterity in the hands and fingers but allows for limited use of arms. ref : maheswari 9th ed