CVS (MCQ) Question and answers verified to pass 2025/2026

CVS (MCQ) Question and answers
verified to pass 2025/2026
Pericardial cavity - correct answer ✔Space between parietal and visceral layer



contains pericardial fluid-small amount

excess fluid>>pericardial effusion



4 borders of heart - correct answer ✔-superior(base)

-right border

-left border

-inferior



Superior - correct answer ✔bases of 2 atria, major vessels



Right border - correct answer ✔RA, SVC



Left border - correct answer ✔arch of aorta, PT, LA, LV



Inferior - correct answer ✔RV



Auricles - correct answer ✔-expandable extensions of atria

-project above coronary sulcus



RA receives blood from - correct answer ✔-SVC

, -IVC

-Coronary sinus



Pulmonary circuit - correct answer ✔Transport blood to/from lungs



Systemic circuit - correct answer ✔Transport blood to/from rest of body



Right coronary artery supplies - correct answer ✔-RA

-Interventricular septum

-Portions of both ventricles

-Conducting system (SA node, AV node)



Left coronary artery supplies - correct answer ✔-LA

-LV

-Interventricular septum



Systole - correct answer ✔contraction of heart chambers

pushes blood out of chamber



Diastole - correct answer ✔relaxation of heart chambers

chamber fills with blood



Heart sounds - correct answer ✔lubb-dubb



S1 - correct answer ✔louder lubb