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NBME CBSE TEST EXAM REAL EXAM 226 QUESTIONS AND ANSWERS LATEST 2024 (usmle step 1)MEDICAL EXAMINATION $11.09   Add to cart

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NBME CBSE TEST EXAM REAL EXAM 226 QUESTIONS AND ANSWERS LATEST 2024 (usmle step 1)MEDICAL EXAMINATION

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NBME CBSE TEST EXAM REAL EXAM 226 QUESTIONS AND ANSWERS LATEST 2024 (usmle step 1)MEDICAL EXAMINATION

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  • August 31, 2024
  • 58
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NBME CBSE
  • NBME CBSE
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StudyGuideSolutions
NBME CBSE TEST EXAM REAL EXAM 226 QUESTIONS AND
ANSWERS LATEST 2024 (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

,NBME CBSE TEST EXAM REAL EXAM 226 QUESTIONS AND
ANSWERS LATEST 2024 (usmle step 1)MEDICAL EXAMINATION
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


S3 heart sound - CORRECT ANSWERS Increased ventricular
filling pressure (e.g., mitral regurgitation, HF), common in dilated
ventricles


normal in kids and pregnant women


S4 heart sound - CORRECT ANSWERS atrial kick late diastole,
right before S1


best heard at apex in LLD position

,NBME CBSE TEST EXAM REAL EXAM 226 QUESTIONS AND
ANSWERS LATEST 2024 (usmle step 1)MEDICAL EXAMINATION
High atrial pressure.


Stiff/hypertrophic ventricle (aortic stenosis, restrictive
cardiomyopathy)


Always abnormal


atria contract - CORRECT ANSWERS a wave of JVP


c wave - CORRECT ANSWERS RV contraction (closed tricuspid
valve bulging into atrium) wave of JVP


x descent - CORRECT ANSWERS JVP wave corresponding to
downward displacement of closed tricuspid valve during rapid
ventricular ejection phase


reduced or absent in tricuspid regurge


V wave - CORRECT ANSWERS JVP wave corresponding to inc'd
RA pressure due to filling against closed tricuspid valve


y descent - CORRECT ANSWERS JVP wave corresponding to RA
emptying into RV

, NBME CBSE TEST EXAM REAL EXAM 226 QUESTIONS AND
ANSWERS LATEST 2024 (usmle step 1)MEDICAL EXAMINATION


absent in cardiac tamponade


plusus parvus et tardus - CORRECT ANSWERS pulses are weak
with delayed peak


Aortic stenosis


PR interval - CORRECT ANSWERS 0.12-0.20 seconds


120 milliseconds


QT interval length - CORRECT ANSWERS 9 - 11 squares = .36 to
.44 seconds


Hypokalemia - CORRECT ANSWERS U wave present on ECG


Mg sulfate - CORRECT ANSWERS for torsades de pointe,
hypokalemia (can lengthen QT and cause torsades), and pre-
eclampsia (prevent seizures)


Romano-Ward syndrome - CORRECT ANSWERS -Congenital long
QT syndrome

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