Exam 4: Prenatal Development and Birth

Low birthweight is defined as a newborn that weighs less than 2,500 grams.

Agents and conditions that harm the prenatal brain and impair learning and behavior are called _____.

Birth complications are more likely when _____.

The first two weeks of development after conception are called the _____.

Define behavioral teratogens and name at least two common ones. State two potential consequences of exposure to them.

The Apgar scale refers to the age at which a fetus might survive if born.

Cerebral palsy was once thought to be the result of something that happened during the birth procedure, but we now know that it can result from many factors, including _____.

Babies born weighing less than 1,000 grams (2 pounds, 3 ounces) are considered _____.

About a week after conception, the outer layer of the multiplying cells forms a shell that will become the _____.

Possible consequences of low birthweight include infant death, hearing impairment, and _____.

Rebecca and Bob just had a baby. They agreed that they would each be responsible for the baby every other evening to give the other parent a break from child care. They have also discussed how to share responsibility for day-care drop off and pick up once they are both back at work. Rebecca and Bob are demonstrating the cooperation that is evidence of _____.

List two of the hypotheses developed to explain the increase in low birthweight in the United States.

The critical factor in attaining the age of viability is _____.

The head begins to take shape in the _____ week after conception.

The Apgar scale measures the _____.

The first two weeks of prenatal development are called the fetal period.

Studies indicate that _____ may mitigate maternal depression.

A woman who helps with the birth process, who is likely to arrive at the woman's home during early labor and later work alongside a hospital's staff, is called a(n) _____.

During the embryonic period, the fingers form after the arms, and the toes form after the legs, reflecting the _____ pattern of development.

After giving birth to her first child, Mae experienced a deep sadness that made caring for her child (and herself) difficult. Her husband noticed and called the family's doctor, who suggested that Mae might have _____.