Difficulty: Medium
Average Score: 86%
Simulated
A 21-year-old patient with a known history of sickle cell anemia presents to the emergency department with severe pain in the lower back and joints, fatigue, and fever. What is the most likely cause of these symptoms?
Correct answer
C
Rationale
Vaso-occlusive crisis is a common complication of sickle cell anemia, where sickled red blood cells block blood flow, causing severe pain, fever, and fatigue, matching the patient's symptoms.