This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2018, Subject name: Pathology
Infeility in kaagener syndrome is due to which of the following? 
Select and explain. 
A. Oligospermia, B. Blockage of epididymis, C. Asthenozoospermia, D. Undescended testis
C: Asthenozoospermia
Answer: C: Asthenozoospermia 
Explanation: Kaagener's syndrome is a rare, autosomal recessive genetic ciliary disorder in which defective dynein arm results in defective ciliary motility. Presents with a triad of : Situs inversus Bronchiectasis Sinusitis Reduced ciliary motility leads to asthenozoospermia( slow moving sperms)