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USMLE Latest Exam Questions with 100% Correct Answers
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USMLE Latest Exam Questions with 100% Correct Answers
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USMLE Latest Exam Questions with100% Correct Answers
A 58-year-old Caucasian male with a history of peripheral vascular disease is
admitted to the hospital with a painful, pulseless foot. He is prescribed
antiplatelet and anticoagulant drugs. Which of the following matches a drug
with its correct characteristic?
A. Warfarin: directly inhibits thrombin
B. Heparin: activated antithrombin 3
C. Aspirin: reversibly inhibits COX-1
D. Clopidogrel: antagonizes ADP receptors on endothelial cells
E. Prasugrel: reduced risk of bleeding compared to other drugs in its class -
Heparin: activated antithrombin 3
28 year old male is found to have 93% HbA, 2% HbF, and 5% HbA2 on
hemoglobin electrophoresis. Which of the following is the most likely diagnosis?
, A. Sickle cell trait
B. Alpha thalassemia major with Hb Bart's
C. Beta thalassemia minor
D. Beta thalassemia major
E. Diabetes mellitus - Beta thalassemia minor
35 year old caucasian woman presents to the ER with unilateral leg swelling. She
reports that she developed painful left sided leg swelling and redness earlier in
the day. She is otherwise healthy and takes no medications. She denies any recent
prolonged travel. She experienced a similar episode affecting the opposite leg one
year ago and was diagnosed with a thrombus in the right femoral vein. On exam,
the left leg is erythematous and swollen. Passive dorsiflexion of the left ankle
elicits pain in the left calf. Ultrasound of the leg reveals a thrombus in the left
popliteal vein. A genetic of the leg reveals that she has an inherited condition.
What is the most likely pathophysiology of this patient's condition?
A. elevated serum homocysteine
B. thrombin inhibitor deficiency
C. Factor V inhibitor deficiency
D. Auto-antibodies directed against phospholipids
E. Resistance to clotting factor degradation - Resistance to clotting
factor degration
An infant is born prematurely to a 34 yearold female. Physical examination
reveals of clenching of the left hand with the 5th finger overriding the 4th finger.
The infant also has a small jaw and excessive pedal tissue. This can be best
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