Which is a congenital abnormality in which there are extra fingers or toes?
A) syndactyly
B) polydactyly
C) senile lentigo
D) papilloma
B
Explanation: A) This is a condition of fused-together fingers or toes.
B) Correct! Poly- means "many, much" and -dactyly means "condition of fingers or toes."
C) Senile lentigo is a skin pigmentation condition of old age, not a congenital abnormality.
D) A papilloma is not a congenital abnormality.
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