Exam 2: The Start of Life

The data from studies of identical twins raised in different environments are always without bias.

Older mothers are considerably more likely to give birth to children with

Researchers believe that some __________ of all pregnancies end in miscarriage, usually in the first several months of pregnancy.

Which of the following is considered a medical risk predating pregnancy?

Which of the following best characterises the sensory abilities of the newborn?

Which testing procedure uses high frequency sound waves and is used as an adjunct to other procedures, such as amniocentesis?

Mothers who are carriers of __________ may pass the disease on to their fetuses through the blood that reaches the placenta.

The developmental psychologist ________ speculated that the underlying temperament of a given society, determined genetically, may predispose people in that society toward a particular philosophy.

Dizygotic twins are a good example of the fact that the more genetically similar two people are, the more likely they are to share physical characteristics.

Name the process of identifying genetic defects by examining a small sample of fetal cells that are drawn by a needle inserted into the amniotic fluid surrounding the unborn fetus.

A standard measurement system that looks for a variety of indications of good health in newborns is called

Which of the following best describes the "age of viability," or the point at which an infant can survive prematurely?

A mother's use of illegal drugs-but not legal drugs-poses serious risks to the unborn child.

Because of the difficulties they experience at birth, regardless of what kind of special care preterm infants receive, they never develop normally in the long run.

The rate of infant mortality in Canada is 15 deaths per 1000 births.

Which test is performed as early as week 5 and allows access to the fetal circulation and direct visualization of the embryo, permitting the diagnosis of malformations?

Three days after fertilization, the organism consists of some ___ cells, and by the next day the number doubles.

Humans have about ______ genes.

____________ is the close physical and emotional contact between parent and child.

By ____ months of age, the fetus swallows and urinates, arms and hands develop, and fingers develop nails.