Read the statements given below and select the correct option: I. A defect in the region of fossa ovalis leads to the formation of ostium secundum type ASD. II. Malformation of the cusps of aortic valve causes pressure hypertrophy of the left ventricle and atrium. III. When the deoxygenated blood by passes the lungs and enters the systemic circulation, a condition called left-to-right circulatory shunt takes place. (a) I and II are incorrect; III is correct (b) II and III are correct; I is incorrect (c) I and II are correct; IIl is incorrect (d) II and III are incorrect; I is correct

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