The tricuspid valve is present at the origin of a) carotid arch b) pulmonary arch c) truncus arteriosus d) systemic arch

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Ans-  b) Pulmonary arch
             The tricuspid valve is present between the right atrium and right ventricle. At this place the pulmonary arch originates which becomes pulmonary artery. This pulmonary artery carries the deoxygenated blood from the right ventricle to the lungs.

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