Practice Test: Teratogens

Matching skip

any disease, drug, or other environmental agent that can harm an embryo or fetus by causing physical deformities, mental retardation, blindness, etc.
babies are miscarried or born prematurely. similar birth actions as marijuana, heroin, etc. babies. can even induce strokes. lower IQ scores, unpleasant demeanor.
defects such as a small head, malformations of heart, limbs, joints, and face. Babies can be hyperactive, have seizures, and tremors. Usually born smaller and lighter than normal and growth lags behind that of their peers. Very low IQ scores and adjustment problems as adolescents.
if smoke during first trimester: cleft lip with or without cleft palate. can affect the regulation of autonomic activity in neonates (increased heart rate while sleeping).
effects fetus directly by compromising function of placenta
mothers ingested PCBs unknowingly though water or eating fish out of lake michigan which had been contaminated. women who then breast fed thier childeren for long periods of time after birth continued to expose them to PCB. these children's cognitive performance test results were lowest compared with those fed formula or only breast fed for a short period of time.
1960, german drug company sold drug that alleviated vomiting an nausea that pregnant women experience. It was a tranquilizer. women who took it gave birth to babies with horrible defects (missing limbs, ears, deformed eyes, ears, hearts, etc).