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
Bursa involved in clergyman's knee - 
Select and explain. 
A. Prepatellar bursa, B. Infrapatellar bursa, C. Olecranon bursa, D. Ischial bursa
B: Infrapatellar bursa
Answer: B: Infrapatellar bursa 
Explanation: Ans. is 'b' i.e., Infrapatellar bursa Prepatellar bursitisHousemaid's kneeInfrapatellar bursitisClergyman's kneeOlecranon bursitisStudent's elbowIschial bursitisWeaver's bottomOn lateral malleolusTailor's ankleOn great toeBunion