Developmental Psychology Test 2

Which of the following is associated with fetal alcohol syndrome?

Answer

Which of the following represents proximodistal development?

Answer

What are the Braxton-Hicks contractions?

False labor contraction that can begin as early as the 6th month of pregnancy

Randall is undergoing treatment for a sex-linked chromosomal abnormality. He is treated with testosterone replacement therapy, which fosters the growth of male sex characteristics and elevates his mood, but does not reverse his sterility. Randall is most likely being treated for:

Klinefleter's syndrome

True or false: maternal smoking is correlated with low birth weight in their offspring

True

Down Syndrome is linked to:

abnormalities of the 21st pair of chromosomes

Each member of a pair of genes is referred to as a/an

allele

A benefit of the cross-sequential research design is that:

answer

True or false: Ideal weight gain during pregnancy for a normal weight woman is between 25-35 pounds

answer

With regard to maternal stress, hormones such as _________ can pass through the placenta and have an effect on the developing fetus

answer

Dominant alleles:

determine physical characteristics

The layers of the embryonic disk are:

ectoderm, endoderm, mesoderm

The first two weeks of prenatal development is called the:

germinal stage

Which of the following is true regarding the placenta?

it is also called the afterbirth

During pregnancy, when have all the fetal organs formed?

not until the end of the second trimester

Environmental agents that can harm the embryo are called:

teratogens

When the heart begins to beat in the developing embryo:

the embryo weighs a fraction of an ounce it is usually during the third week after conception the embryo is only 1/4 of an inch in length all of the above are correct

During the last weeks before birth, several changes take place in the mother's body. Among them are:

the head of the fetus settles in or drops in the mother's pelvis experiences of increased pelvic pressure experiences of braxton-hicks contractions all of the above are correct

True or False: The most common cause of infertility in women is irregular ovulation or lack of ovulation while the most common infertility problem in men is low sperm count

true

True or false: a fetus can hear even before birth

true

True or false: during the first stage of labor, uterine contractions efface (thin out) and dilate (widen) the cervix

true

The fetus is connected to the placenta by the _______, whereas the mother is connected to the placenta by the ______.

umbilical cord;system of blood vessels

Which of the following does NOT develop from the four membranes of the trophoblast?

zygote