A medullary index ratio 0.2 was measured on a hair sample. What is the correct conclusion?
A) consistent with human hair
B) consistent with animal hair
C) inconclusive
D) both 'a' & 'b' are correct
E) both 'a' & 'c' are correct

Question

Quizplus · Accepted Answer

The medullary index, which is the ratio of the diameter of the medulla to the diameter of the entire hair, is typically less than 1/3 (or 0.33) for human hair. A ratio of 0.2 is consistent with human hair.

A Medullary Index Ratio 0