Exposure to toxins during weeks 20 to 36 during a pregnancy would be most likely to result in defects in which of the body's organs?
A) the brain
B) the ears
C) the heart
D) the genitalia (sex organs)

Question

Quizplus · Accepted Answer

As shown on the chart on page 75 of the text, the brain is susceptible to teratogens during the weeks 20 to 36. The ears, heart, and genitalia are susceptible at earlier periods in the prenatal stage of development.

Exposure to Toxins During Weeks 20 to 36 During a Pregnancy