This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiration, Subject name: Pathology
Kartageners syndrome cause of infertility is? 
Select and explain. 
A. Oligospermia, B. Asthenospermia, C. Undescended testis, D. Epididymis obstruction
B: Asthenospermia
Answer: B: Asthenospermia 
Explanation: Ans. (b) AsthenospermiaAsthenozoospermia (or asthenospermia) is the medical term for reduced sperm motility due to defect in ciliary movement