Biology Questions
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What are resources of limited value in trying to assess whether a drug can be safely used in pregnancy?
In the first trimester, warfarin has fetotoxic effects, such as...
After the first trimester, antiepileptics have fetotoxic effects, such as...
webbed fingers or toes, which can occur in response to a teratogen 42 days post conception
large hole between two ventricles lets venous blood pass from the right to the left ventricle and out to the aorta without oxygenation. This occurs 42 days post conception with teratogen exposure
In the first trimester, androgens have fetotoxic effects, such as...
What is the period of maximal susceptibility to teratogenic effects? (Post-conception)
life limiting condition where baby's brain and spinal cord don't develop properly, can be serious. Occurs in response to 24 days post-conception teratogen exposure
may be enhanced by co-administration of a second drug, or even by concomitant exposure to environmental chemicals
In the development of the baby, what stage is it classified as an embryo (undergoing organogenesis)?
the power that results from the combination of two or more forces
Babies born to mothers taking valproate during pregnancy have a _______ risk of birth defects
What is the period of maximal susceptibility to teratogenic effects? (Post-LMP)
When is the growing baby in the womb classified as a foetus?
Babies born to mothers taking this during pregnancy have a 30 to 40% risk of developmental disability
In which phase of the baby in utero's life is it most vulnerable to teratogens?
These drugs do not cross the placenta. They include heparin, insulin, and iron dextran
Much of the placental transfer of drugs occurs by...
What are the best to worst routes of exposure, in terms of teratogenicity?
What is the molecular weight of most drugs, which allows them to cross the placenta freely by passive diffusion?