Which of the following statements about the first trimester of pregnancy in humans is false?
A) There is rapid cell division during this period.
B) It is the period when the embryo is the most sensitive to radiation and drugs.
C) The fingers, toes, and facial features of the fetus become well formed.
D) The mother may experience nausea and mood swings.
E) High levels of estrogen and progesterone are circulating in the mother's blood during this period.

Question

Quizplus · Accepted Answer

The fingers, toes, and facial features of the fetus do not become well formed during the first trimester. These features become more visible during the second and third trimesters.

Which of the Following Statements About the First Trimester of Pregnancy