USMLE USMLE Exam Questions
United States Medical Licensing Examination (Page 10 )

Updated On: 14-Mar-2026

Prothrombin is a ____ globulin and is produced by the _____.

  1. Alpha, Kidney
  2. Alpha, Liver
  3. Beta, Kidney
  4. Beta, Liver

Answer(s): B



The right coronary artery divides to form the posterior interventricular artery and the ___ artery.

  1. Marginal
  2. LVC
  3. RVC
  4. LAD

Answer(s): A



Blood flowing into the cardiac veins enters the _______ next.

  1. Coronary Sinus
  2. Left Ventricle
  3. Right Ventricle
  4. Left Atrium

Answer(s): A



If you are using a stethoscope and trying to detect the tricuspid valveWhich of the following would be the best location?

  1. Within 2 inches of the xyphoid process
  2. On the right side of the sternum
  3. On the left side of the sternum near the midpoint D. On the left side of the sternum near the midpoint of the sixth rib

Answer(s): A



Which of the following occurs during ventricular systole?

  1. Increased aortic pressure
  2. Increased ventricular volume
  3. Dup heart sound
  4. P wave

Answer(s): A



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