NBME CBSE TEST EXAM REAL EXAM 226 QUESTIONS AND
ANSWERS LATEST 2025/2026 (usmle step 1)MEDICAL EXAMINATION
Bulbus cordis - CORRECT ANSWERS Smooth parts (outflow tract) of left and right
ventricles
endocardial cushions - CORRECT ANSWERS Atrial septum, membranous interventricular
septum; AV and semilunar valves
neural crest
left horn of the sinus venosus - CORRECT ANSWERS coronary sinus
posterior, sub cardinal, and supra cardinal veins - CORRECT ANSWERS IVC
Right common cardinal vein and right anterior cardinal vein - CORRECT ANSWERS SVC
Right horn of sinus venosus - CORRECT ANSWERS Smooth part of right atrium (sinus
venarum)
Patent foramen ovale - CORRECT ANSWERS failure of septum primum and septum
secundum to fuse after birth
Transposition of the great vessels
Tetralogy of Fallot
Persistent truncus arteriosus - CORRECT ANSWERS Conotruncal abnormalities
associated with failure of neural crest cells to migrate
ductus venosus - CORRECT ANSWERS connects the umbilical vein to the inferior vena
cava, bypassing the liver
becomes ligamentum venosum
phrenic nerve - CORRECT ANSWERS innervates the diaphragm and pericardium

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jordancarter 6 months ago

This study guide is clear, well-organized, and covers all the essential topics. The explanations are concise, making complex concepts easier to understand. It could benefit from more practice questions, but overall, it's a great resource for efficient studying. Highly recommend!

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