Adolescence is the same as the developmental period known as puberty

Which fetal presentation is the easiest for a vaginal delivery?

a) breech b) vertex occiput anterior c) frank breech d) vertex occiput posterior

You are at a parade where there are a number of marching bands. You perceive the bands that are all in the same uniforms as being grouped together. The red uniforms are one band, the green uniforms another, and so forth. You have this perceptual experience because of the law of

a. simplicity. b. similarity. c. pragnanz. d. familiarity.