Human Growth & Development Final 2 – Flashcards
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The Apgar Scale rates the following newborn characteristics:
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appearance, pulse, grimace, activity, and respiration.
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At the beginning of the period of the embryo, the __________ system develops fastest.
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nervous
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The Human Genome Project is an ambitious international research program aimed at
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deciphering the chemical makeup of human genetic material.
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By the ______ week of pregnancy, Monica will be able to learn the sex of her fetus.
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twelfth
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_________ is the least developed of a newborn baby's senses
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Vision
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Accumulating evidence reveals that the relationship between heredity and the environment is
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bidirectional.
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The _____________ becomes the digestive system, lungs, urinary tract, and glands.
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endoderm
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A teratogen is
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any environmental agent that causes damage during the prenatal period.
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The sex of a baby is determined by whether
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an X-bearing or a Y-bearing sperm fertilizes the ovum.
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The Babinski reflex
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appears when an infant's foot is stroked on the sole from toe to heel.
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In the final month of pregnancy,
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a layer of fat is added to assist with temperature regulation.
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Approximately __________ percent of U.S. children have no health insurance.
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11
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Mark's Apgar ratings were 7 and 9. This indicates that Mark
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was in good physical condition at birth and five minutes afterwards.
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A gene is a
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segment of DNA along the length of the chromosome.
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Development is best understood as
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a series of complex exchanges between nature and nurture.
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Down syndrome most commonly results from
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a failure of the twenty-first pair of chromosomes to separate during meiosis.
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_________ provide(s) the best estimate of a baby's ability to recover from the stress of birth.
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Changes in neonatal assessment scores over the first weeks of life
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The placenta
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delivers food and oxygen to the developing organism.
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The most effective way to soothe a crying baby is
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lifting the baby to the shoulder and rocking or walking.
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The _______ reflex permits feeding.
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sucking
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A unique feature of DNA is that it can duplicate itself through a process called
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mitosis.
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Dana is pregnant with her first child and wonders how much weight she should gain during the pregnancy. You should recommend a healthy diet that results in a weight gain of ______ pounds.
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25 to 30
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Rodlike structures called ______________ store and transmit genetic information.
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chromosomes
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Vernix
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protects the fetus's skin from chapping.
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The amniotic fluid
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helps keep the temperature of the prenatal world constant.
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Of matching pairs of chromosomes, 22 of 23 are called __________ and one pair consists of ___________.
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autosomes; sex chromosomes
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Generally, human chromosomes come in _____ matching pairs.
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23
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During the second stage of labor,
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the baby is born.
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The longest stage of labor is the
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first, dilation and effacement of the cervix.
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Implantation occurs __________ after fertilization.
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sometime between the seventh and ninth day
