#1
Which chamber of the heart receives deoxygenated blood from the body?
Right atrium
ExplanationReceives deoxygenated blood from systemic circulation.
#2
Which septal wall separates the right and left ventricles of the heart?
Interventricular septum
ExplanationSeparates the right and left ventricles.
#3
Which chamber of the heart pumps deoxygenated blood to the lungs?
Right ventricle
ExplanationPumps deoxygenated blood to the lungs.
#4
Which chamber of the heart pumps oxygenated blood to the systemic circulation?
Left ventricle
ExplanationPumps oxygenated blood to the body.
#5
Which structure provides support to the atrioventricular valves and is attached to the interventricular septum?
Chordae tendineae
ExplanationSupports AV valves, attached to interventricular septum.
#6
Which septal wall separates the right and left atria of the heart?
Interatrial septum
ExplanationSeparates the right and left atria.
#7
Which chamber of the heart has the thickest myocardium?
Left ventricle
ExplanationLeft ventricle has the thickest myocardium.
#8
The coronary sinus drains blood into which chamber of the heart?
Right atrium
ExplanationCoronary sinus drains into the right atrium.
#9
Which chamber of the heart is responsible for receiving oxygenated blood from the pulmonary circulation?
Left atrium
ExplanationReceives oxygenated blood from the pulmonary circulation.