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: Anatomy
The muscles attached to perineal body are A/E 
Select and explain. 
A. Ischiocavernosum, B. Bulbospongiosm, C. Superficial transverse perinea, D. Deep transverse perinea
A: Ischiocavernosum
Answer: A: Ischiocavernosum 
Explanation: Ten muscles of the perineum converge and interlace in the perineal body - a) Two unpaired : (i) External anal sphincter, (ii) Fibres of longitudinal muscle coat of anal canal. b) Four paired:- (i) Bulbospongiosus, (ii) Superficial transverse perenei, (iii) Deep transversus perenei, (iv) levator ani, In females, sphincter urethrovaginalis is also attached here. Ref: Gray&;s anatomy text book of anatomy BD chaurasia 21st Ed.