Previous Exam Q’s: Chapter 7 – Flashcards

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An egg can only be fertilized during
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the first 24 hours after ovulation
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Sexual intercourse can result in conception during the __________ days before ovulation and for __________ day(s) afterwards.
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5, 1
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While sperm are in the female reproductive tract, they undergo a process called __________ that enables them to penetrate the egg's surface.
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capacitation
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Which of the following is the correct sequence of events that follow fertilization of an egg?
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zygote, morula, blastocyst, embryo, fetus
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The round mass of cells that attaches to the endometrium is called the
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blastocyst
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The __________ is the major link between the developing baby and its mother.
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umbilical cord
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The thick-skinned sac filled with water that surrounds the embryo is called the
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amnion
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The organ that serves as a connection between the embryo's systems and those of the mother is called the
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placenta
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When a fertilized egg implants outside the uterus, it is called an ________ pregnancy.
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ectopic
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If a woman has recently had sexual intercourse, she should assume that she is pregnant if she
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gets a positive result on a test for HCG in her urine or blood
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At 8 weeks after conception and until birth, the developing organism is known as a(n)
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fetus
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A pregnant woman can feel the fetus move for the first time (called the quickening) during the
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second trimester
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Most physicians believe that sexual intercourse during pregnancy
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is usually safe during the first 8 months
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Substances that can harm an embryo or fetus are called
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teratogens
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An embryo/fetus is especially susceptible to harmful substances during the ________ of pregnancy.
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first trimester
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Although the placenta protects the embryo and fetus from many harmful substances, an embryo/fetus may nevertheless be harmed if the mother
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smokes cigarettes, drinks alcohol, and/or take drugs
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Cigarette smoking during pregnancy is associated with
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a. increased risk of miscarriage b. lower birth weight c. increased risk of sudden infant death syndrome (crib death) d. all of the above
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A woman's use of alcohol during pregnancy may result in her baby having
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a. physical deformities b. mental retardation c. emotional problems d. all of the above
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Drugs that may cross the placental barrier and harm an embryo/fetus include
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"over the counter" drugs (aspirin, antihistamines)
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A disease of pregnancy characterized by protein in urine, high blood pressure, weight gain, and swollen joints (due to excessive water retention) is called
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preeclampsia
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Rh incompatibility results when the mother is ________ and the fetus is ________.
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Rh negative -- Rh positive
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________ is a noninvasive technique used to detect problems in the fetus while it is in the uterus.
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ultrasound
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A poor diet can increase the risk of
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a. toxemia b. anemia c. low birth weight d. all of the above
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For normal-weight women, an overall weight gain of ________ is recommended during pregnancy.
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25 to 35 pounds
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"Natural" or prepared childbirth courses instruct women
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how to reduce the fear tension pain cycle
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A massage technique taught in Lamaze classes to lessen pressure on nerves caused by the fetus moving through the birth canal is called
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effleruage
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The outcome for births attended by nurse-midwives is generally
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just as good as those attended by physicians
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Before birth, the fetus will usually rotate its position so that its head is
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downward
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False labor contractions are usually ________ contractions indicating true labor.
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shorter than
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If a woman is going through labor, it means that
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a. the cervix is dilating b. the cervix is effacing (thinning out) c. the uterus is undergoing contractions d. all of the above
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A woman's bag of water (her amniotic sac) usually breaks during what stage of labor?
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start up stage
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During the second stage of labor, the cervix
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is fully dilated
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In the third stage of labor, the ________ detaches from the uterus and leaves the mother's body.
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placenta
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After birth, small pieces of the placenta that remain in the uterus
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must be removed to prevent infection
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An episiotomy is primarily done to reduce the risk of tearing the
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perineum
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Sometimes the fetus may try to come through the cervix and vagina feet or buttocks first. This is called a
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breech birth
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If a woman has had a cesarean, it means that
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a. the baby was surgically removed b. the baby was delivered through its mother's abdomen c. she may still be able to have a vaginal delivery in the future d. all of the above
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The earliest that a newborn has a chance of surviving is ____ weeks.
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23 to 24 weeks
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Before the age of 23 weeks, the fetus cannot produce a liquid called ________ that lets the lungs transmit oxygen from the atmosphere to the blood.
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surfactant
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Newborn babies who cannot maintain proper levels of surfactant die of
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respiratory distress syndrome
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The two hormones produced by the pituitary gland that are responsible for milk are
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prolactin and oxytocin
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Most physicians advise women who have just given birth not to resume sexual intercourse
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4 to 6 weeks
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Studies find that after the transition to parenthood, happiness within the marriage is directly related to
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the sharing of child-care and housekeeping responsibilities
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Women should wait at least ________ months after giving birth before getting pregnant again.
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11
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Infertility problems affect about ________ of couples of reproductive age.
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12%
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Infertility is usually due to
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physical problems in the man in about half the cases and in the woman in about half the cases
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Low sperm count is due to
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a. endocrine problems b. varicosity of the veins in the spermatic cord c. infections d. all of the above
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The process in which semen from a man with a low sperm count is collected during several ejaculations, stored, mixed together and then placed in a woman's vagina at the time of ovulation is called
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artificial insemination
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In a process called __________, a single sperm is injected directly into an egg.
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intracytoplasmic sperm injection
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The leading cause(s) of infertility in young women today is
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a. failure to ovulate b. endometriosis c. blocked Fallopian tubes d. all of the above
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If a baby is a test tube baby, it means that
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it was conceived outside its mother's body
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An ovum can be fertilized only during the first 24 hours it leaves an ovary.
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true
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Implantation, the process whereby the blastocyst burrows into the wall of the uterus, usually is completed by about 8-11 days after ovulation.
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true
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Three-fourths of all conceptions fail to survive beyond 6 weeks.
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true
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Ectopic pregnancies are really tubal pregnancies.
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false
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The "expected time of arrival" or the "due date" that the physician sets is rarely the date of the actual birth.
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true
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Some men may experience some of the same symptoms of pregnancy as their partners.
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true
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The three inner layers that will form specific parts of the body in the embryo are the endoderm, mesoderm, and ectoderm.
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true
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By 8 weeks, all organs of the embryo have already begun to develop.
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true
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Few problems are associated with having sexual intercourse during the first 8 months of pregnancy.
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true
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Mothers who smoke during pregnancy may double the risk of their baby dying of sudden infant death syndrome ("crib death").
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true
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Consuming alcohol during pregnancy can cause the baby to be mentally retarded.
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true
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Preeclampsia is most likely to occur in older women.
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false
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Prepared childbirth programs always consider it a failure if a woman uses pain-killing drugs during labor or delivery.
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false
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Shortly before a woman goes into labor she may experience a burst of energy.
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true
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False labor contractions can usually be recognized because they are more regular than contractions of real labor.
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false
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The second stage of labor begins when the cervix is fully dilated and the fetus begins moving through the birth canal.
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true
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A woman who has had a cesarean section (C-section) can never again give birth vaginally.
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false
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Babies born weighing less than 2 pounds have no chance of surviving.
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false
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The World Health Organization recommends that babies be exclusively breast-fed for 6 months.
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true
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Secondary infertility (inability to conceive after having had a baby) is as common as primary infertility.
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true
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A larger percentage of infertility problems are due to the female partner than the male partner.
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false
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A procedure called artificial insemination is often used when a man is found to have a low sperm count.
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true
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Test tube babies spend several months of their embryonic development in a test tube.
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false
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