Development of CVS & GITEmbryology Lab

Cardiovascular Development Embryology MCQs: mixed practice questions

Try 4 sample questions drawn from across Cardiovascular Development. Tap an answer to check it.

1. Which embryonic arteries are present as six paired aortic arches?

   From: Aortic Arches & Great Vessels
   A. Coronary arteriesB. Arteries coursing through the pharyngeal archesC. Vitelline arteriesD. Umbilical arteriesE. Intersegmental arteries only

2. What is a foramen secundum atrial septal defect associated with?

   From: Atrial Septation
   A. Excess AV cushion formationB. Failure of AP septum spiralingC. Excessive resorption of septum primum or septum secundumD. Failure of muscular IV septum formationE. Persistence of the sinus venosus

3. Which primitive heart-tube dilation forms the aortic vestibule of the left ventricle?

   From: Primitive Heart & Heart Tube
   A. Primitive ventricleB. Sinus venosusC. Truncus arteriosusD. Primitive atriumE. Bulbus cordis

4. Why is complete d-transposition usually incompatible with life without a shunt?

   From: Ventricular Septation & Outflow Tract
   A. The ventricles cannot contractB. The atria cannot fillC. The coronary arteries are absentD. The pulmonary arteries are completely absentE. Systemic and pulmonary circulations are functionally separated