CH2 Quiz Flashcards
The cervix must widen or _____ during the first stage of labor.
dilate
By week _____, the odds of survival are 50 percent in affluent nations.
25
Teratogens typically exert their effects during the _____ period.
sensitive
Pregnancy can be divided into three segments, called:
trimesters
_____ are chemical substances released into the bloodstream that target and change organs and tissues.
Hormones
Due to advances in _____, people can now find out whether they carry the genes for certain illnesses.
genetic testing
The proximodistal sequence of development refers to the fact that growth occurs from:
the interior parts of the body outward.
Which of the following is NOT measured by the Apgar scale?
brain waves
Prenatal growth occurs from the interior parts of the body outward. This principle is called the _____ sequence.
proximodistal
Exposure to harmful substances can affect the developing brain:
in the second and third trimesters.
Mrs. King’s labor is not progressing, so her doctor recommends a cesarean section. The doctor will be:
making an incision in the abdominal wall and the uterus and removing the fetus manually.
The embryonic period lasts for about _____ weeks.
6
Implantation involves:
a blastocyst embedding in the uterine wall.
An Apgar score of this indicates that the newborn is in great condition.
8
_____ pregnancies end in miscarriage.
one in 10