Arrange the segments of the colon in the sequence through which digested material passes prior to defecation: (1) sigmoid (2) transverse (3) descending (4) ascending
A
4, 2, 3, 1
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B
2, 1, 4, 3
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C
1, 3, 4, 2
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D
3, 1, 2, 4
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Solution
The correct option is A 4, 2, 3, 1 In mammals, the colon consists of four sections: the ascending colon, the transverse colon, the descending colon, and the sigmoid colon