Which of the following is the BEST Apgar score?

Prenatal exposure to cocaine can result in

Preterm babies spend more of their time in REM sleep than do full-term babies.

In the United States today, which of the following is TRUE of the use of drugs (anesthetics, narcotics, etc.) during childbirth?

Stress

Within 36 hours after conception, the zygote consists of ______ cells.

The following person is MOST likely to be given an amniocentesis:

The second stage of childbirth

At about 18 to 22 months of age, there is a rapid burst in vocabulary. Approximately 75% of the words added during this time are nouns. This vocabulary burst can be called

Prenatal development can be thought of in terms of the germinal, embryonic, and fetal periods. Or, it can be thought of as three trimesters. In terms of the way time is divided into periods, these two viewpoints are