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Left atrium: Quiz


Question 1: If it does not, this is an ________ (hole in the heart).
Mitral regurgitationAtrial septal defectAortic insufficiencyAortic valve stenosis

Question 2: It receives oxygenated ________ from the pulmonary veins, and pumps it into the left ventricle, via the atrioventricular valve.
Blood plasmaPlateletBloodRed blood cell

Question 3: The left atrium is one of the four chambers in the human ________.
Lymphatic systemCirculatory systemHeartTorso

Question 4: In an adult, a septal defect would result in flow in the reverse direction - from the left atrium to the right - which will reduce cardiac output, potentially cause ________ and in severe or untreated cases, death.
Myocardial infarctionHeart failureAtrial fibrillationHypertrophic cardiomyopathy


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