3. Prenatal Development and Teratogens Flashcards
1
Q
What is a teratogen?
A
An agent that can cause birth defects
2
Q
Name the four factors that determine the effects of teratogens.
A
Intensity, duration, timing, and genetic characteristics of the individual
3
Q
What is prematurity?
A
Birth sooner than 37 weeks after conception.
4
Q
What is the cephalocaudal pattern of growth?
A
Starts at the head and progresses downward.
5
Q
What is the proximodistal pattern of growth?
A
Starts at the center of the body and progresses outward.