How to Breakdown a Question | USMLE Step 1 | Biochemistry 

How to break down a USMLE Step 1 question, from MedSmarter with Dr. Jason Colip.
The attached video is the breakdown of another question regarding Biochemistry.
A 40-year-old woman presents to a new physician because of the recent onset of fatigue, arthralgias, discomfort in her right upper quadrant, and polyuria. On physical examination, her skin seems somewhat browner than would be expected. Laboratory tests are remarkable for an elevated glucose level, indications of hemolysis, and increased transferrin saturation. Cardiac testing shows moderate restrictive cardiomyopathy. She mentions that she regularly requires blood transfusions. Which of the following is the cause of this patient’s condition?
A) Mutations resulting in copper accumulation
B) Absence of the hemoglobin α chain
C) Mutation of the hemoglobin β chain
D) Mutation resulting in increased absorption of dietary iron
E) Mutations in the gene encoding ankyrin
We break down the concepts in simple terms in shorter videos so students can focus on the Educational Objective to get a deep understanding of the concept.
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