________ Skeleton first shows clearly on radiographs and sonograms
A)12 weeks
B)16 weeks
C)20 weeks
D)25 weeks
E)29 weeks

Question

Quizplus · Accepted Answer

Toward the end of the 13- to 16-week period,the skeleton clearly shows on radiographs (x-ray films).Care is taken to prevent the fetus from receiving too much radiation because of the possible adverse effects on its germ cells and developing brain.Sonography is widely used for examining the fetus.

________ Skeleton First Shows Clearly on Radiographs and Sonograms