The embryonic period is the time in which most of the external structures and internal organs of the embryo are formed.Which weeks are considered the embryonic period?

Question

Quizplus · Accepted Answer

During the embryonic period, which lasts from 2 to 8 weeks after conception, the major external structures and internal organs of the embryo are formed. Therefore, choice C is correct. Option A covers only the first 4 weeks after conception, ignoring the last part of the embryonic period, so it is not the best choice. Option B extends beyond the embryonic period into the fetal period, so it is also not the best choice. Option D covers only the first 6 weeks, ignoring the last two weeks of the embryonic period, so it is not the best choice. Finally, option E covers both the embryonic and fetal periods, so it is also not the best choice for this question.

The Embryonic Period Is the Time in Which Most of the External