Mel is at the obstetrician's office with his girlfriend Denise, who is pregnant with their child. They have just started the ninth week of the pregnancy, and the doctor explains to them that the unborn child's brain has developed distinct structures and is already beginning to regulate certain body functions. Based on what you know about prenatal development, you know that the period of the ____
has just begun.
a. zygote
b. embryo
c. umbilicus
d. fetus
d
You might also like to view...
Who was given the nickname “Cynic,” and lived a self-sufficient, publicly outrageous life?
a. Antisthenes b. Gorgias c. Diogenes d. Epicurus
What is one difference between a time-series design and an interrupted time-series design?
a. Time series examines the effect of a treatment and interrupted time series examines the effect of an outside event. b. Time series examines the effect of an outside event and interrupted time series examines the effect of a treatment. c. Time series involves several observations before and after the treatment/event and interrupted time series has only one observation before and after. d. Time series involves only one observation before and after the treatment/event and interrupted time series has several observations before and after.
In the brain, nicotine:
a. stimulates the production of dopamine b. interferes with the reuptake of dopamine c. binds to serotonin receptors d. stimulates the production of receptors
Which responses have researchers determined babies can learn to make through imitation?
a) uttering sounds and waving arms b) waving their arms and kicking their legs c) kicking their legs and moving their head d) moving their head and sticking out their tongue