Exposure to toxins during weeks 3 to 5 during a pregnancy would be most likely to result in defects in which of the body's organs?

A teratogen is any factor that can cause a birth defect

Indicate whether the statement is true or false.

__________ is a focus on one particular erogenous zone of the body

a. The defense mechanism of sublimation b. Fixation c. Obsessive-compulsive disorder d. The Oedipus complex