NURS 247--PrepU Questions

A nursing instructor identifies a need for further instruction in regards to the three stages of fetal development when a nursing student makes which statement?

"The pre-embryonic stage begins approximately 2 weeks after fertilization."

Which statement made by parents at a genetic counseling session indicate understanding of the risks to their child for the disorder of dwarfism?

"There is a 25% chance our newborn may be affected by the disorder if we are carriers."

The pregnant client at 6 weeks' gestation asks the nurse if an ultrasound will reveal the sex of the fetus yet. What is the best response by the nurse?

"We will have to wait until the baby is 16 weeks' gestation to determine what the sex is."

A woman visits the prenatal clinic and is noted to have oligohydramnios. The client asks, "Why is this fluid important anyway?" Which statements would be included in the nurse's response? Select all that apply.

* "Amniotic fluid helps maintain your baby's body temperature." * "Too little amniotic fluid is linked with placental problems." * "It acts like a cushion protecting your baby from trauma that may occur."

A client who is 15 weeks' gestation is attending prenatal classes and asks the nurse, "What changes in development has my baby made?" Which statements would the nurse include in the response? Select all that apply.

* "Soft hair covers your baby's head." * "Your baby makes sucking motions now with its mouth." * "You will be able to detect quickening."

A pregnant woman's husband does not voice concerns at prenatal visits. Which observation would lead the nurse to suspect that the husband is emotionally involved in the pregnancy?

He walks around furniture as if his abdomen is enlarged.

A woman comes to the prenatal clinic and undergoes a pelvic exam. The doctor notes a softening of the uterine isthmus. The nurse recognizes that this finding is known as what sign?

Hegar sign

The nursing instructor is teaching a class on the structures vital to the development of the fetus. The instructor determines the class is successful when the class correctly chooses which facts concerning amniotic fluid?

Helps the fetus regulate body temperature

The nurse-midwife is performing a pelvic examination on a client who came to her following a positive home pregnancy test. The nurse checks the woman's cervix for the probable sign of pregnancy known as Goodell sign. Which description illustrates this alteration?

The cervix softens.

A baby is born with what the primary care provider believes is a diagnosis of trisomy 21. This means that the infant has three number 21 chromosomes. What factor describes this genetic change?

The client has a nondisjunction occurring during meiosis.

A pregnant client states she was unable to breastfeed her last child because her breasts did not produce milk. She desires to breastfeed this child. Which hormones would the nurse monitor to during this pregnancy?

estrogen and human placental lactogen (hPL)

When providing counseling to a couple who have just found out they will be having a daughter, the nurse will identify this chromosome abbreviation as:

genome 46xx.

A nurse assessing the laboratory results of a pregnant client in her second trimester notes that she has a hemoglobin level of 11 gm/dL. What will the nurse interpret this finding to most likely indicate?

hemodilution of pregnancy

An expectant mother is on heparin for previous blood clots and voicing concerns about how her medications will affect her baby. The nurse would inform the mother that:

heparin does not cross the placenta and is safe for her to take.

The nursing instructor is presenting the basic physiologic changes in the woman that can occur during a pregnancy. The instructor determines the session is successful when the students correctly choose which change in the respiratory function during pregnancy as normal?

increased tidal volume

A nurse is preparing a presentation for a group of nurses about genetic discoveries and advances. When discussing this topic, the nurse would most likely include which topic area related to the potential for misuse?

individual risk profiling and confidentiality

The nurse is preparing a pregnant client with severe hypertension for an emergent amniocentesis for possible early delivery of the fetus. The nurse will explain to the client that the health care provider is evaluating which parameter?

level of fetal surfactants

A woman carries a recessive gene for sickle cell anemia. If her sexual partner also has this recessive gene, the chance that her first child will develop sickle cell anemia is:

1 in 4

A pregnant client in her first trimester is being seen at the women's clinic. What statement by the nurse would be most beneficial to this client to support her acceptance of the pregnancy?

"Having feelings of uncertainty are very common when a woman becomes pregnant. I will be glad to talk to you about any concerns you may have."

The nurse is teaching the pregnant woman about nutrition for herself and her baby. Which statement by the woman indicates that the teaching was effective?

"I will need to take iron supplementation throughout my pregnancy even if I am not anemic."

The nurse is caring for a client at 8 weeks' gestation who states, "I did not plan for this right now and I am not happy or excited about this pregnancy. I am not sure what to do." Which response by the nurse is best?

"Many women feel this way during the first trimester."

A pregnant client is concerned because she has noticed that she is developing brown blotches on her forehead and nose. The nurse realizes that the client understood the teaching about this problem when the client makes which statement?

"These spots are from hyperpigmentation caused by the pregnancy and may be permanent."

After teaching a group of women about the signs of pregnancy, the nurse understands that teaching was successful if the group makes which statement about positive signs?

"They will be able to hear the fetal heart rate on auscultation."

A nurse is interviewing a client at a preconception counseling session. Which questions would be included during assessment? Select all that apply.

* "What was the cause and age of death for any deceased family members?" * "Are there any female family members with a history of miscarriages?" * "Have any family members been diagnosed with an affective disorder?"

A nurse is teaching a prenatal class and is asked the purpose of amniotic fluid. Which statements are correct? Select all that apply.

* Amniotic fluid promotes fetal movement enhancing musculoskeletal development. * Sufficient amounts of amniotic fluid cushion the fetus from trauma. * Amniotic fluid allows the fetal umbilical cord to be relatively free from compression. * Sufficient amounts of amniotic fluid help the fetus maintain a constant body temperature.

Which processes, if they occur during the formation of the placenta, would lead to a successful pregnancy? Select all that apply.

* Implantation of the trophoblast occurs in the upper uterus. * Three days after conception, the trophoblast makes human chorionic gonadotropin (hCG). * The trophoblast develops into the placenta.

What are the probable signs of pregnancy that would be noted in a woman? Select all that apply.

* Positive Goodell sign * Ballottement

A nurse is conducting a prenatal class for expectant mothers and one of them asks how the placenta works. The nurse would explain that the placenta serves which purposes? Select all that apply.

* The placenta provides nourishment for the fetus. * It serves as an exchange site for oxygen and carbon dioxide. * It serves as a barrier to some medications and hormones in the maternal blood supply.

The nurse is holding an education class for clients in their third trimester and their partners. What information would she share with them in preparation for the birth of their child? Select all that apply.

* Urinary frequency will return toward the end of the pregnancy. *It is recommended that the couple attend childbirth classes soon. * Nesting instincts begin during this period, allowing the mother to prepare for the baby.

Place the following events in the sequence the pregnant woman would experience them, from first to last. All options must be used.

* amenorrhea * uterine enlargement * quickening * Braxton Hicks contractions * labor

A pregnant client arrives at the maternity clinic reporting constipation. Which factors could be the cause of constipation during pregnancy? Select all that apply.

* decreased activity level * use of iron supplements * intestinal displacement

A nurse is providing education related to genetic testing. Which benefits of genetic testing would the nurse explain to the client? Select all that apply.

* diseases tied to ethnicity and race * inborn errors of metabolism

A woman who has a recessive gene for sickle cell anemia marries a man who also has a recessive gene for sickle cell anemia. Their first child is born with sickle cell anemia. The chance that their second child will develop this disease is:

1 in 4

When discussing the many changes the woman's body undergoes during pregnancy, the nurse may include that the woman's total blood volume will increase by approximately how much by the 32nd week of gestation?

1,500 ml

The nurse is teaching a pregnant woman with a prepregnancy body mass index (BMI) of 26 about recommended weight gain. The nurse determines that the teaching was successful when the woman states that she should gain approximately how much during her pregnancy?

15 to 25 pounds (7 to 11 kilograms)

A woman is to undergo quad screening testing. The nurse would anticipate that this test would be done at which time?

16 weeks' gestation

Hormone levels of a woman indicate that the corpus luteum stopped functioning and releasing progesterone after 5 weeks. The nurse would recognize that which scenario is the expected outcome?

A spontaneous abortion (miscarriage) would occur.

A patient is at 22 weeks' gestation is preparing to have her fundal height measured. Given the patient's stage of gestation and following McDonald's rule, what result does the nurse expect?

22 cm

A woman comes to the clinic for her first prenatal checkup. The woman has a body mass index (BMI) of 22. The nurse would anticipate that this client should gain approximately how much weight during her pregnancy?

25 to 35 lbs (11 to 16 kg)

A nurse is counseling a couple who report that they are both carriers for a condition. The medical history reveals neither of them have symptoms of the condition. In the event this couple conceives a child, what is the likelihood they will have a child who will have the disorder?

25%

Two parents carry the recessive gene for six toes. What is the chance that they will have a child with six toes?

25%

A 23-year-old female has come to the clinic for her first prenatal visit. After the examination reveals no concerns and potential low-risk pregnancy, the nurse discusses nutritional needs for her and her growing baby. As per the Institute of Medicine, the nurse suggests the client take which amount of ferrous iron daily?

27 mg

A client in her first trimester is concerned about how weight gain will affect her appearance and questions the nurse concerning dietary restrictions. How much weight gain should the nurse point out will be safe for this client with a low BMI? ×

28 to 40 pounds (13 to 18 kilograms)

The nurse is counseling a client with a BMI of 23 about weight gain during pregnancy. The nurse teaches the client that during the second and third trimester of pregnancy, dietary intake should be increase by how many calories per day above what she was eating prior to the pregnancy?

300

The nurse obtains a human chorionic gonadotropin (hCG) level from a woman who thinks that she is pregnant. Which result would the nurse identify as a positive pregnancy result?

32 mIU/mL (32 IU/L)

The community nurse is preparing a presentation for a health fair illustrating successful pregnancies. Which component should the nurse prioritize as the most critical to ensure a positive psychological experience with the pregnancy by the mother?

Social support

A genetic nurse is taking a health history for a 1-month-old male client with Edwards syndrome. How will the nurse note this genetic disorder in the documentation?

47XY18+

The nurse is caring for a client at the prenatal clinic. The client reports that she has felt some fluttering sensations in her lower abdomen and she noticed that her waistline is now totally gone. Additionally, she shows the nurse her nipples and the areola are much darker. Based upon this assessment, in which month of pregnancy is this client?

4th month

The parents are questioning why their newborn was born deaf when there are no other deaf family members. The nurse could explore possible exposure to a teratogenic agent at which stage of the pregnancy?

6 weeks

A lacto-ovo-vegetarian client is pregnant and is seeking nutritional guidance at her initial prenatal visit. What foods would the nurse recommend to her in keeping with her current dietary practices?

A combination of egg and milk or other dairy products

A pregnant client is undergoing a fetal biophysical profile. Which parameter of the profile helps measure long-term adequacy of the placental function?

Amniotic fluid volume

Which change related to the vital signs is expected in pregnant women?

Blood pressure decreases.

A nurse is teaching a preconception class discussing the process of conception. Which information would the nurse likely include?

Conception occurs when an ovum passes into a fallopian tube to unite with sperm.

The nurse is conducting an obstetrics assessment on a client at 20 weeks' gestation who is questioning the nurse about the development of the fetus. Which new occurring developments can the nurse point out to this client?

Eyebrows and scalp hair are present.

A woman, who is 18 weeks' gestation, is at a follow-up appointment regarding the test results of alpha-fetoprotein testing. Which would the nurse suspect with if the woman has low levels of alpha-fetoprotein?

Down syndrome

Which would be a normal finding by the nurse during a physical exam of a woman in her third trimester?

Dyspnea

The nurse is assessing a young female who just found out she is pregnant. She is now reporting vague abdominal discomfort. After noting the client has a history of PID, the nurse predicts the health care provider will give priority to ruling out which situation?

Ectopic pregnancy

During which stage of fetal development is exposure to teratogens most damaging?

Embryonic stage

When counseling potential parents about genetic disorders, which statement would be appropriate?

Environmental influences may affect multifactorial inheritance.

A community health nurse is leading a discussion at a health fair for college students on the topic of the signs of pregnancy. The nurse determines more teaching is necessary when the students choose which sign as a probable sign of pregnancy?

Fetal movement felt by examiner

A pregnant vegan reports eating lots of dark green leafy vegetables, legumes, citrus fruits, and berries. To ensure that her infant's nervous system will develop properly, what foods should the nurse recommend that she add to her diet?

Fortified cereals

A pregnant woman tells the nurse she often has allergic responses to drugs. She is concerned that she will be allergic to her fetus or her body will reject the pregnancy. The nurse's reply would be based on which statement?

Immunologic activity is decreased during pregnancy.

A student nurse is preparing for a presentation that will illustrate the various physiologic changes in the woman's body during pregnancy. Which cardiovascular changes up through the 26th week should the student point out?

Increased pulse rate and decreased blood pressure

A client at 24 weeks' gestation is seen for a routine monthly check up. She reports concerns to the nurse about rest periods. She states that when she awakens she feels weak and lightheaded. What is the most appropriate initial action by the nurse?

Inquire about the client's sleeping positions.

The husband of a pregnant woman in her first trimester tells the nurse that his wife is increasingly preoccupied with herself and her fetus as more signs of the pregnancy present themselves. What should the nurse point out to the husband is probably occurring in this situation?

Introversion

The nursing student correctly identifies what information about oogenesis?

It begins in the ovaries before birth but is not fully complete until the childbearing years.

A couple has just learned that their unborn son has a chromosome disorder that results in an extra X chromosome. The primary care provider explains that secondary sex characteristics will not develop in this child at puberty and that his testes will remain small and produce ineffective sperm. The nurse recognizes that this child likely has:

Klinefelter syndrome.

What would the nurse recommend to a pregnant client at 35 weeks' gestation who reports irregular contractions and lower backache?

Lie down and rest and see if the contractions stop and pain subsides.

The nurse is explaining the latest laboratory results to a pregnant client who is in her third trimester. After letting the client know she is anemic, which heme iron-rich foods should the nurse encourage her to add to her diet?

Meats

A nurse is providing care to a pregnant woman in her first trimester who has come to the clinic for a follow-up visit. During the visit, the nurse teaches the woman about some of the changes that she will be experiencing during her pregnancy. Which information would the nurse include when describing changes in the breast?

Montgomery glands (Montgomery tubercles) become more prominent.

A student nurse is preparing an illustration for a health fair depicting the various types of twins. Which format will the student use to depict identical twins?

One egg and one sperm

A client at 29 weeks' gestation reports she experiences a sharp pain in her lower abdomen when she stands up suddenly. The nurse explains this is most likely a result of tension on which structure?

Round ligament

In preparing for a prenatal class to discuss the hormonal changes during pregnancy, which information would the nurse most likely include?

Over-the-counter antacids can be used to treat acid reflux with the health care provider's knowledge.

The nurse is assessing a client who believes she is pregnant. The nurse points out a more definitive assessment is necessary due to which sign being considered a probable sign of pregnancy?

Positive home pregnancy test

A client's menstrual period is two weeks late. She has been feeling tired and has had bouts of nausea in the morning. What classification of pregnancy symptoms is this client experiencing?

Presumptive

What effect does progesterone have on normal gallbladder function?

Progesterone interferes with gallbladder contraction, leading to stasis of bile.

The nursing instructor is teaching a class on the various hormones necessary for a successful pregnancy and birthing process. The instructor determines the session is successful when the students correctly choose which hormone as being necessary after birth to ensure growth of the newborn?

Prolactin

In assessing the dietary intake over the last 24 hours of a pregnant client, which food would be most concerning to the nurse?

Smoked salmon and bagels

During a routine prenatal visit, a pregnant woman reports a white, thick, vaginal discharge. She denies any itching or irritation. Which action would the nurse take next?

Tell the woman that this is entirely normal.

When describing the characteristics of the amniotic fluid to a pregnant woman, the nurse would include which information?

The amount gradually fluctuates during pregnancy.

A nurse is caring for a 32-year-old Jewish client who is pregnant with a female baby. The parents are not directly related by blood. The mother reports that her husband's cousin had an infant born with Tay-Sachs disease that died two years ago and she is concerned about her baby. Which information should the nurse need to give this client regarding her baby having the same disease?

There is a risk to the baby based upon the Jewish background, so genetic testing would be recommended.

The nurse is presenting a nutritional plan to a primigravida client who is questioning the addition of iodized salt to her diet. Which explanation should the nurse prioritize in answering this client?

Thyroid activity, which depends on iodine intake, increases during pregnancy.

The nurse is teaching a pregnant teenager the importance of proper nutrition and adequate weight gain throughout the pregnancy. What is the best response when the client refuses to eat due to fear of possible weight gain?

The infant will be small and could have problems.

The primary care provider has prescribed a karyotype for a newborn. The mother questions what the type of information that will be provided by the test. What information should be included in the nurse's response?

The karyotype will assess the baby's chromosomal makeup.

A nurse is leading a discussion in a prenatal class for a group of primigravida clients. Which factor would the nurse include when explaining the changes that are expected to occur in the uterus during the pregnancy?

The uterus changes from a pear-shaped organ to an oval one.

The nurse is assessing a pregnant woman in her second trimester. Which tasks would indicate to the nurse that the client is successfully incorporating the maternal role into her personality?

The woman acknowledges the fetus as a separate entity within her.

Positive signs of pregnancy are diagnostic, meaning nothing else can elicit that sign except pregnancy. What is the earliest positive sign of pregnancy?

Visualization of the gestational sac or fetus

A woman in her second trimester comes to the clinic for a routine follow-up visit. The woman's prepregnancy blood pressure was 112/70 mm Hg. On this visit, the woman's blood pressure is 104/64 mm Hg. The nurse would interpret this finding as suggestive of which event?

a normal pregnancy finding secondary to progesterone effects

During pregnancy, one of progesterone's actions is to allow sodium to be "wasted" or lost in the urine. The nurse would expect to see which hormone increased to help counteract this loss?

aldosterone

The nurse has just informed a client that her pregnancy test is positive and she will need further assessment to determine the complete status of the situation. Which initial emotional response does the nurse expect the client to exhibit?

ambivalence

A group of nursing students are preparing a presentation for a health fair illustrating the structures found during a pregnancy. Which structures should the students point out form a protective barrier around the developing fetus?

chorion and amnion

A nurse is educating a client about the various psychological feelings experienced by a woman and her partner during pregnancy. Which feeling is experienced by the expectant partner during the second trimester of pregnancy?

confusion when dealing with the partner's mood swings

Which effect would the nurse identify as a normal physiologic change in the renal system due to pregnancy?

dilation of the renal pelvis

A 39-year-old woman is pregnant with her first child and appears to be thrilled about it. Now in her second trimester, she talks enthusiastically with the nurse about the latest maternity clothes she has bought and models them for the nurse. She also discusses the latest trends in health foods, which she has adopted since learning of her pregnancy. The nurse interprets this information as reflecting which primary emotional response to pregnancy?

narcissism

Three sisters decide to have genetic testing done because their mother and their maternal grandmother died of breast cancer. Each of the sisters has the BRCA1 gene mutation. The nurse explains that just because they have the gene does not mean that they will develop breast cancer, but rather their chances of developing breast cancer depend on:

penetrance

A nurse is providing care to a woman who has just found out that she is pregnant. The nurse is describing the events that have occurred and the structures that are forming. When describing the trophoblast to the client, the nurse would explain that this structure forms:

placenta

A woman in the third trimester of her first pregnancy expresses fear about the birth canal being wide enough for her to push the baby through it during labor. She is a petite person, and the baby seems so large. She asks the nurse how this will be possible. To help alleviate the client's fears, the nurse should mention the role of the hormone that softens the cervix and collagen in the joints, which allows dilation (dilatation) and enlargement of the birth canal. What is this hormone?

relaxin

Which genetic condition is caused by a small gene mutation that affects protein structure, producing hemoglobin S?

sickle cell anemia

A nurse is conducting a presentation at a community health center about congenital malformations. The nurse describes that some common congenital malformations can occur and are recognized to be caused by multiple genetic and environmental factors. Which example would the nurse most likely cite?

spina bifida

During the admission assessment, the nurse notes many café-au-lait spots on the client's trunk, back, neck, and legs and suspects that she has neurofibromatosis. The client's chart confirms that she has neurofibromatosis type 1. Based on the nurse's knowledge of neurofibromatosis, the nurse understands that a single family member has a:

spontaneous mutation

The nurse is providing prenatal care to a young couple who is pregnant with their first child. In what period of development would the nurse explain to the couple that most congenital defects would occur?

the period of the embryo

Implantation generally occurs at which place on the uterus?

the upper posterior surface

A pregnant client questions the nurse about the earliest time she will be able to hear the fetal heartbeat. The nurse informs the client that fetal heart rate can typically be heard the earliest by which method?

transvaginal ultrasound

A client in her third trimester reports sleeping poorly: sleeping on her back results in lightheadedness and dizziness and lying on her side results in no sleep. Which suggestion for sleeping should the nurse prioritize for this client?

with a pillow under her right hip

A nurse is caring for a couple during a prenatal clinic visit. Which assessment finding would lead the nurse to suggest genetic counselling for the couple?

The mother suggests the prior two miscarriages were an emotional struggle for her.

The nursing instructor is illustrating the circulatory flow between the mother and fetus. The instructor determines the session is successful when the class correctly chooses which structure with which route?

The one umbilical vein carries oxygen-rich blood to the fetus from the placenta.

A group of nursing students are preparing a presentation depicting the fetal circulation. The instructor determines the presentation is successful when the students correctly illustrate which route for the ductus arteriosus?

The pulmonary artery to the aorta

How does fetal circulation differ from circulation after birth?

The umbilical vein carries oxygenated blood, while deoxygenated blood is carried by the umbilical arteries.

A client is confused concerning her fertile period each month. The nurse would educate the client by providing which information?

The window of opportunity for conception is from 3 days before to 2 days following ovulation.

A nurse is describing what happens at fertilization as the zygote begins life. Which statement is most accurate?

The zygote begins life with the diploid number of chromosomes

A woman at 15 weeks' gestation who works at a daycare center thinks she may have just been exposed to rubella at work. The client asks how this may affect her fetus. What is the best response the nurse can give?

"By the end of the eighth week all of the organ systems and major structures are present, so exposure to any teratogen can lead to birth defects. More assessments are needed."

A client at a prenatal class requests information on how the gender of a baby is determined. Which statement made by the nurse would be most accurate?

"Gender is determined at conception and depends on whether the ovum is fertilized by a Y-bearing or an X-bearing sperm."

A client who suspects she is pregnant asks the nurse about the accuracy of home pregnancy tests. The nurse would tell the client that:

some of the home pregnancy tests can detect the presence of hCG within 1 day of the woman's missed period.

A client calls the nurse in a panic after a home pregnancy test indicates she is pregnant. She reports that that she consumed a lot of alcohol on the night that she thinks the pregnancy occurred. The next day she had taken several acetaminophen. For the past 3 weeks, she has had her usual nightly glass of wine with dinner but no other alcohol. What is an appropriate response for the nurse to make when the client questions if she has caused irreversible damage to the fetus?

"The fetus is not exposed to the mother's blood until after it implants about 6 days after fertilization, so the first night is not an issue. But it is best to avoid alcohol while you are pregnant."

After teaching a class of newly pregnant women about the many changes the female body undergoes during pregnancy, the nurse determines that the teaching was successful when the class identifies which hormones as being secreted by the placenta? Select all that apply.

* hCG * relaxin * estrogen

A young couple expecting their first child comes to the clinic concerned that their baby will be born with Down syndrome. The nurse informs the couple that the incidence of Down syndrome is highest in women older than what age?

35 years

A nurse is caring for a 37-year-old pregnant client who is expecting twin boys. The client smoked prior to conception but has stopped during the pregnancy. A relative of the client has Klinefelter syndrome, and the client wants to find out more about the disorder. Which information will the nurse provide to the client during genetic counseling?

There is a greater risk of Klinefelter syndrome due to the client's age.

A nurse is preparing a presentation on genetic disorders. Which condition would the nurse most likely include as the most common form of male autism spectrum disorder?

Fragile X Syndrome (Martin-Bell Syndrome)

The nurse is performing an assessment of a woman who has come to a health care facility for a diagnosis of pregnancy. The women is positive for breast changes, nausea, and amenorrhea. On physical exam, it is noted that the client has softening of the cervix. How should the nurse document this in her notes?

Goodell sign

A 28-year-old client states that she has not had her menstrual period for the past 3 months and suspects she is pregnant. Which should the nurse do next?

Have the client take a pregnancy test.

A nurse working in the newborn nursery hears an innocent murmur on auscultation of a 24-hour-old infant's chest. The nurse recognizes this as most likely the result of which condition?

delayed fetal shunt closure

A nurse is interviewing a couple who has come for a preconception visit. The couple asks the nurse about inheritance and how it occurs, When describing the concept of genes and inheritance, the nurse explains that a gene that is expressed when paired with another gene for the same trait is called:

dominant

A nurse is providing education to a couple who have just been told their unborn fetus has Down syndrome. The nurse should explain that this is what type of genetic abnormality?

duplication

After teaching a class on the various structures formed by the embryonic membranes, the nurse determines that the teaching was successful when the class identifies which structure as being formed by the ectoderm?

ears

A nursing student is explaining to a newly pregnant woman what happens during each stage of fetal development. At which stage does the nurse inform the woman that the lungs are fully shaped?

end of 16 weeks

A nurse is conducting a prenatal class for a group of primipara women in their first trimester. When describing the changes that occur in the uterus, the nurse identifies which hormone as responsible for uterine growth?

estrogen

The placenta is the site where antibodies in the mother's blood pass into the fetal circulation. These antibodies give passive immunity to the fetus for several common childhood diseases. There are some infections for which the mother does not provide antibodies to the fetus. What infection is the fetus not protected from?

rubella