USMLE Forums - View Single Post - Repeated USMLE Questions Step 1- 458
View Single Post
Old 03-22-2019
sohag100 sohag100 is offline
USMLE Forums Master
Steps History: 1+CK+CS+3
Posts: 1,282
Threads: 1225
Thanked 192 Times in 171 Posts
Reputation: 202
Default Repeated USMLE Questions Step 1- 458

A 56- year old man presents to the clinic due to recurrent attacks of severe pain in his right big toe for the last few weeks. During the attacks, his toe becomes painful, red, warm and swollen. Significant improvement occurs after treatment with colchicine. Synovial fluid analysis is performed to confirm the diagnosis.
What is the most likely finding to confirm the diagnosis?
A- Calcium oxalate crystals
B- Calcium pyrophosphate dehydrate crystals
C- Cholesterol crystals
D- Cloudy, reddish fluid, with leucocytes’ count equal to the blood count
E- Negatively birefringent urate crystals
Reply With Quote