Anatomy and Physiology Study Set 1

Biology

Quiz 20 :

Pregnancy, Growth, Development, and Genetics

Quiz 20 :

Pregnancy, Growth, Development, and Genetics

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When does the fetal stage of development begin?
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B

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Surfactant is necessary to increase surface tension in the lungs of a newborn.
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False

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What are teratogens?
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B

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What is a symptom of fetal alcohol spectrum disorder (FAS)?
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By what route do drugs ingested by a pregnant woman most likely reach her fetus?
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The ductus arteriosus allows fetal blood to bypass the liver.
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During the early stages of pregnancy, the hormone __________ maintains the corpus luteum until the placenta is established.
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Describe the blood that is passing through the ductus venosus.
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What blood vessel carries blood from the placenta to the fetus?
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How many major blood vessels are typically found in the umbilical cord?
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The external reproductive organs can be distinguished by the __________ week of development.
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Sperm movement is aided by the presence of compounds called __________ in semen.
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Within a blastocyst, what group of cells give rise to the body of the developing offspring?
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The union of a secondary oocyte and a sperm cell is called __________.
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What enzyme, located on the sperm cell membrane, is needed to help the sperm penetrate an egg cell?
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What forms the placental membrane?
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Fetal blood passes from the right atrium to the left atrium via what structure?
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Factors that can cause malformations by affecting an embryo during its period of rapid growth and development are called teratogens.
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Development includes growth and is a continuous process during which the individual changes from one life phase to another.
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The ductus arteriosus carries blood from the __________ to the __________.
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