This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries Around the Thigh & Knee, Subject name: Orthopaedics
Clergyman's knee involves - 
Select and explain. 
A. Olecranon bursa, B. Suprapatellar bursa, C. Infrapatellar bursa, D. Prepatellar bursa
C: Infrapatellar bursa
Answer: C: Infrapatellar bursa 
Explanation: Ans. is 'c' i.e., Infrapatellar bursa Prepatellar bursitisHousemaid's kneeInfrapatellar bursitisOlecranon bursitisIschial bursitisOn lateral malleolusOn great toeClergyman's kneeStudent's elbowWeaver's bottomTailor's ankleBunion