Chapter 12, Conception And Fetal Development || Wi
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Chapter 12, Conception And Fetal Development || Wi
Which fetal lung development finding is appropriate for a client during the 28th week of gestation with an amniocentesis lecithin-to-sphingomyelin (L/S) ratio of 0.4:1? correct answers Not completely developed, and the mother has diabetes mellitus.
Between which time span does human chorionic go...
which fetal lung development finding is appropriat
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Chapter 12, Conception and Fetal Development || with 100%
Errorless Answers.
Which fetal lung development finding is appropriate for a client during the 28th week of
gestation with an amniocentesis lecithin-to-sphingomyelin (L/S) ratio of 0.4:1? correct answers
Not completely developed, and the mother has diabetes mellitus.
Between which time span does human chorionic gonadotropin (hCG) reach its maximum levels
in a pregnant woman? correct answers 60 to 70 days
The protein hormone hCG can be detected in the maternal serum by 8 to 10 days after
conception, shortly after implantation. The hCG helps preserve the function of the ovarian
corpus luteum and ensures the continued supply of estrogen and progesterone required to
maintain pregnancy. The hCG reaches its maximum level at 60 to 70 days and then begins to
decrease. The hCG levels are still increasing between 30 and 50 days of pregnancy; hCG levels
will decrease at 70 to 90 days of pregnancy or at 90 to 100 days of pregnancy.
How many days after intercourse do sperm remain viable in the female reproductive system?
correct answers 2 to 3 days
Which method is appropriate when determining the expected date of delivery of the client?
correct answers Ask the client about her last menstrual period (LMP).
Which hormone produced by the fetus is believed to initiate labor? correct answers Cortisol
The adrenal cortex is formed during the 6th week of the gestational period and produces
hormones by the 8th or 9th week. The fetus produces higher amounts of cortisol as the due date
gets closer. This is believed to aid in initiating labor by decreasing maternal progesterone and
stimulating prostaglandin production. Insulin, which helps regulate glucose in the fetus, is
produced by the islets of Langerhans of the pancreas. Estriol is a type of estrogen hormone
secreted by the placenta that stimulates uteroplacental growth. Thyroxine is a thyroid hormone
produced in the fetus; thyroxine does not easily cross the placenta.
Which risk is appropriate to discuss with a 35-year-old African-American client who has a desire
to become pregnant? correct answers Dizygotic twin pregnancy
In which week of pregnancy can the nurse see the grossly formed brain on ultrasonography?
correct answers 20 weeks
Which nursing response is appropriate when an 8-month-pregnant woman states she knows her
baby listens to her, but her husband thinks she is imagining things? correct answers A baby in
utero does respond to the mother's voice."
Which mechanism aids in providing early passive immunity to the fetus? correct answers
Pinocytosis
, Which response given by the clinical coordinator indicates effective teaching about when the
gender of the fetus can be determined? correct answers 12th week of gestation
Which pulmonary surfactant ratio confirms the maturity of the infant's lungs? correct answers
When the ratio of lecithin to sphingomyelin is 2:1
How many days after intercourse do sperm remain viable in the female reproductive system?
correct answers 2 to 3 days
Which hormone indicates the client is pregnant from a urine analysis report? correct answers
Human chorionic gonadotropin (hCG)
Which fetal physical finding is appropriate in the 20th week of pregnancy? correct answers Hair
on the scalp
Which estimation and interpretation information about the recurrence of risk for genetic
disorders is appropriate nursing knowledge? correct answers The risk factor remains the same no
matter how many affected children are already in the family.
Which finding is appropriate for a woman at 35 weeks of gestation whose amniocentesis
revealed surface-active phospholipids in the amniotic fluid? correct answers The lungs are
mature.
The detection of the presence of pulmonary surfactants, surface-active phospholipids, in
amniotic fluid has been used to determine fetal lung maturity, or the ability of the lungs to
function after birth. This occurs at approximately 35 weeks of gestation. This result is unrelated
to Down syndrome and in no way indicates risk for preterm labor. Meconium should not be
present in the amniotic fluid
Which statement by the nurse is appropriate when educating a group of student nurses about
when glycogen storage begins in the fetus? correct answers Glycogen storage begins 9 to 10
weeks.
Which fetal heart rate indicates that there is normal growth and development? correct answers
150 beats/minute
How many veins and arteries are present between the maternal and the fetal circulatory system
by the 5th week of pregnancy? correct answers One vein and two arteries
The fetal heart starts beating by the end of the 5th week. Two arteries carry blood from the
embryo to the chorionic villi, and one vein returns the blood to the embryo. Deoxygenated blood
leaves the fetus through the umbilical arteries and enters the placenta, where it is oxygenated.
Oxygenated blood leaves the placenta through the umbilical vein, which enters the fetus via the
umbilical cord. It is rare for there to be one vein and one artery. Approximately 1% of umbilical
cords contain only two vessels: one artery and one vein. This occurrence is sometimes associated
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