1.

Which of the following heart valves are mechanical valves?i. Ball Valveii. Autograft Valveiii. Xenograft Valveiv. Single Leaflet Valvev. Homograft Valvevi. Bi leaflet Valves

A. i, ii, iv, v
B. i, iv, vi
C. ii, iii, v
D. iii, v, vi
Answer» C. ii, iii, v


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