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: Microbiology
Which of the following muscle does not have the dual nerve supply? 
Select and explain. 
A. Flexor Policis Brevis, B. Abductor Policis Brevis, C. Flexor digitorum profundus, D. Pectoralis major
B: Abductor Policis Brevis
Answer: B: Abductor Policis Brevis 
Explanation: Muscles with dual blood supply:Flexor Policies Brevis: superficial head by median and deep by UlnarFlexor digitorum profundus: Lateral half by Median and Medial Half by UlnarPectoralis major by Medial and Lateral Pectoral Nerve