The Principle of Access Suggests That

Multiple Choice

The principle of access suggests that

A) mere access of a teratogen through the placenta is a guarantee of some effects.
B) a teratogen can access the mother's blood stream without accessing the fetal blood supply.
C) individuals within species as well as species themselves show major differences in susceptibility to different teratogens.
D) the accessibility of a given teratogen to a fetus or an embryo influences the extent of its damage.