This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries Around Arm & Elbow, Subject name: Orthopaedics
Tennis elbow is - 
Select and explain. 
A. Medial Epicondylitis, B. Lateral Epicondylitis, C. Ulnar collateral ligament injury, D. Radial head subluxation
B: Lateral Epicondylitis
Answer: B: Lateral Epicondylitis 
Explanation: Ans. is 'b' i.e., Lateral Epicondylitis o Repeat from previous sessions.