MSK Quiz#8, Knee Anatomy and Injuries  

1. A 22-year-old soccer player presents with acute knee pain and swelling after a collision on the field. The patient is unable to fully extend the knee. A positive anterior drawer sign is noted on physical examination. Which structure is most likely injured? 

Question 1 of 5

2. During a basketball game, a player suddenly changes direction and hears a "pop" in her knee, followed by immediate swelling. On examination, there's joint line tenderness and a positive McMurray test. Which of the following is the most likely diagnosis? 

Question 2 of 5

3. A patient presents with medial knee pain after a blow to the lateral side of the knee during a football game. The knee is stable in anterior-posterior translation but exhibits increased medial-lateral opening on the affected side when the knee is flexed at 30 degrees. Which ligament is most likely injured? 

Question 3 of 5

4. A patient presents to the emergency department after a motor vehicle accident with a "dashboard injury," where the knee was forcefully struck against the dashboard. Examination reveals a positive posterior drawer sign. Which structure is most likely injured? 

Question 4 of 5

5. A runner complains of lateral knee pain exacerbated by long distances. The pain improves with rest. On physical examination, there is tenderness over the lateral epicondyle of the femur. Which condition is most likely responsible for the patient's symptoms? 

Question 5 of 5


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