Repeated USMLE Questions Step 1- 354

Q- Which of the following anticoagulant medications works by binding to thrombin and inhibiting it?

A- Heparin

B- Hirudin

C- Ticlopidine

D- Warfarin

B- Hirudin

Q- In cases of atrial septal defect (ASD), foramen ovale is formed by incomplete development of which one of the following structures?

A- Ostium primum

B- Ostium secundum

C- Septum primum

D- Septum secundum

D- Septum secundum

Q- Which of the following regions of the brain is most likely affected in patients with Huntington’s disease?

A- Anterior frontal lobe

B- Caudate nucleus

C- Substantia nigra

D- Temporal lobe

B- Caudate nucleus

2 thoughts on “Repeated USMLE Questions Step 1- 354”

  1. Hello Dr Muhammad
    Had you applied for USMLE Step 1?

  2. USMLE. Step. 1

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