OB Exam 1 - Maternal Health Theory & Application
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Questions and Answers

Which of the following is NOT a type of genetic testing?

  • Antenatal Testing (correct)
  • Carrier testing
  • Prenatal testing
  • Preimplantation testing

Carrier testing is performed to identify individuals who:

  • Carry one copy of a gene mutation (correct)
  • Are at risk of developing cancer later in life
  • Have a fully expressed genetic condition
  • Have two copies of a gene mutation

Low levels of Alpha protein, identified during neural tube defect screening, may indicate what condition in the baby?

  • Spina Bifida
  • Turner Syndrome
  • Down Syndrome (correct)
  • Cystic Fibrosis

Which of the following is a potential effect of illegal substance use during pregnancy on the baby?

<p>Mental retardation (C)</p> Signup and view all the answers

What is the typical timeframe a mother first feels the baby's movements (quickening)?

<p>18 - 20 weeks (B)</p> Signup and view all the answers

Which medication is used to prevent seizures associated with preeclampsia?

<p>Mag Sulfate (C)</p> Signup and view all the answers

What is the primary action of Trexall (methotrexate) in treating ectopic pregnancy?

<p>Causes dissolution of the ectopic mass (B)</p> Signup and view all the answers

Which of the following medications is an antenatal steroid used to accelerate fetal lung maturity?

<p>Betamethasone (C)</p> Signup and view all the answers

Which of the following is NOT a typical cause of male infertility?

<p>Tubal pathology (D)</p> Signup and view all the answers

What is a primary intervention for infertility focused on the emotional aspect?

<p>Counseling (B)</p> Signup and view all the answers

Which medication is NOT typically used for treating infertility?

<p>Metformin (A)</p> Signup and view all the answers

What is the key purpose of amniocentesis?

<p>To evaluate lung maturity, genetic disorders, and infections in the fetus (C)</p> Signup and view all the answers

Using Naegele's rule, if a woman's last menstrual period (LMP) started on June 10, what is her estimated due date?

<p>March 17 of the following year (B)</p> Signup and view all the answers

A patient's pregnancy history is recorded as G4 T2 P1 A1 L3. How many preterm births has this patient experienced?

<p>1 (C)</p> Signup and view all the answers

At how many weeks is a pregnancy considered full term?

<p>37 weeks (B)</p> Signup and view all the answers

Under what conditions is sexual intercourse generally considered safe during pregnancy?

<p>If membranes are intact and there's no history of premature labor (B)</p> Signup and view all the answers

Which of the following is NOT a component of the TORCH infections?

<p>Varicella (D)</p> Signup and view all the answers

A pregnant woman is taking a medication that is classified as a teratogen. Which of the following is a potential outcome for the fetus?

<p>Increased risk of congenital malformations (A)</p> Signup and view all the answers

A pregnant woman at 36 weeks gestation tests positive for Group B Streptococcus (GBS). Which of the following statements is TRUE regarding GBS?

<p>GBS colonization in the mother primarily affects the newborn. (A)</p> Signup and view all the answers

Which of these genetic conditions is characterized by extremely thick mucus secretions?

<p>Cystic fibrosis (C)</p> Signup and view all the answers

A patient has a weakened cervix and is at risk for preterm birth. What procedure might be done?

<p>Cervical cerclage (D)</p> Signup and view all the answers

Which of the following is NOT a typical symptom of Hyperemesis Gravidarum?

<p>Hypoglycemia (D)</p> Signup and view all the answers

Where is the TOCO transducer typically placed when monitoring a pregnant woman?

<p>Above the umbilicus (C)</p> Signup and view all the answers

Which substance is crucial for preventing neural tube defects?

<p>Folic acid (B)</p> Signup and view all the answers

What is the primary role of human chorionic gonadotropin (HCG) during early pregnancy?

<p>To stimulate the corpus luteum to continue producing estrogen and progesterone. (B)</p> Signup and view all the answers

Which combination of risk factors increases a pregnant woman's chances of developing preeclampsia?

<p>Nulliparity, age 19, obesity, family history of preeclampsia. (D)</p> Signup and view all the answers

What symptoms are most indicative of preeclampsia?

<p>Hypertension, headache, blurred vision, and proteinuria. (D)</p> Signup and view all the answers

What is the purpose of the biophysical profile?

<p>To evaluate fetal well-being using ultrasound and a non-stress test. (B)</p> Signup and view all the answers

What is the primary concern when a pregnant woman experiences trauma?

<p>Maternal death and fetal hypoxia. (B)</p> Signup and view all the answers

Which hormone is responsible for stimulating breast development in preparation for lactation and for regulating available glucose to the fetus?

<p>Human Placental Lactogen (HPL) (A)</p> Signup and view all the answers

What is the initial screening test typically performed to detect gestational diabetes?

<p>One-hour glucose challenge test. (A)</p> Signup and view all the answers

Which of the following can decreased levels of Estriol indicate?

<p>Neural Tube Defects (D)</p> Signup and view all the answers

A client reports experiencing nausea, fatigue, and increased urinary frequency. According to the pregnancy classifications, which category do these symptoms fall into?

<p>Presumptive (subjective) (D)</p> Signup and view all the answers

Which of the following findings is considered a probable sign of pregnancy?

<p>Positive home pregnancy test (B)</p> Signup and view all the answers

A healthcare provider assesses a client and notes a softening of the cervix. What is this finding documented as?

<p>Goodell's sign (D)</p> Signup and view all the answers

Which of the following is classified as a positive sign of pregnancy?

<p>Ultrasound detection of the baby (C)</p> Signup and view all the answers

What category of pregnancy signs does 'ballottement' belong to?

<p>Probable (objective) (A)</p> Signup and view all the answers

What does a Lecithin-Sphingomyelin (LS) ratio of 2.2 indicate in fetal development?

<p>Appropriate fetal lung development, suggesting readiness for delivery. (B)</p> Signup and view all the answers

A pregnant woman in her second trimester reports feeling dizzy and lightheaded while lying on her back during an ultrasound. What is the best immediate intervention?

<p>Placing a pillow or towel under her left hip. (A)</p> Signup and view all the answers

At 28 weeks gestation, a pregnant woman's fundal height should measure approximately how many centimeters?

<p>28 cm (D)</p> Signup and view all the answers

What specific timeframe is recommended for conducting a quad screen during pregnancy?

<p>15-20 weeks (A)</p> Signup and view all the answers

A woman who is 8 weeks pregnant reports experiencing morning sickness, fatigue, and frequent urination. These manifestations are categorized as what type of signs of pregnancy?

<p>Presumptive (A)</p> Signup and view all the answers

Which of the following is considered a probable sign of pregnancy?

<p>Chadwick's sign (C)</p> Signup and view all the answers

A pregnant patient presents with sudden onset vaginal bleeding, abdominal pain, and contractions at 34 weeks gestation. Which complication is most likely?

<p>Abruptio placentae (B)</p> Signup and view all the answers

Which dietary recommendation is most important for pregnant women due to its role in preventing neural tube defects?

<p>Increase intake of folic acid (D)</p> Signup and view all the answers

Flashcards

Preimplantation testing

A type of prenatal testing that checks for genetic abnormalities in the embryo before implantation.

Carrier testing

A type of genetic testing that identifies individuals who carry one copy of a gene mutation, potentially increasing their risk of having a child with a genetic condition.

Hydralazine

A medication used to treat high blood pressure during pregnancy.

Mag sulfate

A medication used to prevent seizures in women with preeclampsia.

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Pitocin

A medication used to induce labor or strengthen uterine contractions, also helping to control bleeding after childbirth.

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Quickening

A fetal test conducted between 18 to 20 weeks of pregnancy, which allows the mother to feel the baby's movements for the first time.

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Trexall (methotrexate)

This is a medication used to treat an ectopic pregnancy by dissolving the ectopic mass.

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Betamethasone

A steroid used to accelerate fetal lung maturity in pregnancies at risk of premature birth.

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What is amniocentesis?

A medical procedure where a needle is inserted through the abdominal wall into the placenta to obtain amniotic fluid.

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Explain Naegele's rule

A method of calculating the estimated date of delivery (EDD), adding 7 days to the first day of the last menstrual period (LMP), subtracting 3 months, and adding 1 year.

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What does GTPAL stand for?

A system used to record a woman's obstetrical history, denoting the total number of pregnancies (G), term births (T), preterm births (P), abortions (A), and living children (L).

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What is a full-term pregnancy?

A pregnancy that reaches 37 weeks or more.

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What is a preterm pregnancy?

A pregnancy that ends between 6 and 36 weeks.

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What are some causes of female infertility?

Ovulatory dysfunction, tubal and pelvic pathology, cervical mucus factors, and infection.

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What are some causes of male infertility?

Endocrine causes, drug and infection exposure, systemic illness, prolonged heat exposure to the testes, pesticide and radiation exposure, intercourse disorders, and missing or blocked structures.

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What are some solutions for female infertility?

Hormonal therapy, lifestyle changes, surgery (e.g., to open fallopian tubes or remove fibroids).

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What does estrogen do?

A hormone that promotes the growth and development of the female reproductive organs, such as the breasts and uterus.

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What is progesterone's role in pregnancy?

A hormone responsible for preparing the uterus for pregnancy by facilitating implantation of the fertilized egg and reducing uterine contractions.

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What is hCG?

A hormone produced during pregnancy that maintains the corpus luteum, ensuring continued production of estrogen and progesterone until the placenta is fully developed.

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What does HPL do?

A hormone produced during pregnancy that regulates glucose availability for the fetus, promoting growth and development, and stimulates breast development to prepare for breastfeeding.

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What is preeclampsia?

A condition that arises during pregnancy characterized by high blood pressure, blurry vision, headaches, and protein in the urine.

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What is a biophysical profile?

A test used to evaluate fetal well-being during pregnancy by assessing heart rate reactivity, fetal movement, muscle tone, breathing, and amniotic fluid volume.

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What is gestational diabetes?

A condition developed during pregnancy characterized by impaired carbohydrate metabolism and elevated blood sugar levels.

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What does decreased estriol levels indicate?

A blood test used to screen for neural tube defects (NTDs) in the fetus.

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Presumptive signs of pregnancy

Changes in a woman's body that are only noticeable to her, like missed period or nausea.

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Probable signs of pregnancy

Changes in a woman's body that can be observed by a doctor, like a positive pregnancy test or enlarged uterus.

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Positive signs of pregnancy

Changes in a woman's body that confirm the presence of a baby, like feeling the baby's movement or seeing the baby on an ultrasound.

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Human Chorionic Gonadotropin (hCG)

A hormone produced during pregnancy that is detected in a pregnancy test.

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TORCH infections

These infections can pass from mother to baby during pregnancy, impacting the developing fetus.

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Toxoplasmosis

A protozoan parasite found in raw meat and cat feces, which can cause serious complications in the fetus if contracted by the mother during pregnancy.

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Hyperemesis gravidarum

Severe vomiting during pregnancy that can lead to dehydration, electrolyte imbalances, and other complications.

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Cervical cerclage

A procedure involving stitching the cervix closed to prevent premature birth due to a weakened cervix. This stitch is removed during labor.

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Cystic fibrosis

A recessive genetic disorder characterized by extremely thick mucus secretions that clog the airways.

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Placenta previa

A condition where the placenta attaches to the lower uterine segment, near or over the internal cervical os.

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Spina bifida

A condition where a portion of the neural tube does not close or develop properly, leading to spinal cord abnormalities.

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Folic acid

Folic acid is a B vitamin that helps prevent neural tube defects in developing babies.

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What is the ideal LS ratio for fetal lung development?

A ratio of 2.0 to 2.5, crucial for healthy fetal lung development.

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What is supine hypotension in pregnancy?

A condition where the pregnant person's blood pressure drops when lying on their back. The baby's weight puts pressure on blood vessels.

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What is fundal height?

A measurement of the height of the uterus from the pubic bone, used to estimate the gestational age between 10-38 weeks.

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What is the purpose of a Quad screen?

A prenatal test done between 15-20 weeks of pregnancy, checking for four specific substances in the mother's blood.

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What is the purpose of a quadruple screen test?

A prenatal test done between 15-20 weeks of pregnancy to assess the risk of certain birth defects

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What are presumptive signs of pregnancy?

Early symptoms of pregnancy NOT confirmed by medical tests. They are subjectively experienced by the pregnant person.

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What are probable signs of pregnancy?

Signs of pregnancy confirmed by medical examination, but not definite proof of pregnancy.

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What is abruptio placentae?

A condition where the placenta detaches from the uterine wall before delivery, potentially putting the baby and mother at risk.

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Study Notes

OB Exam 1 - Maternal Health Theory & Application

  • Genetic Testing: Includes preimplantation, carrier, prenatal, and newborn screening.

  • Antenatal Testing: Conducted at 35-36 weeks, encompassing carrier and genetic testing.

  • Carrier Testing: Identifies individuals carrying a single copy of a gene mutation, aiding in assessing risks of genetic conditions in offspring.

  • Alpha-Fetoprotein (AFP): Neural tube defect screening; low levels may indicate Down syndrome.

  • Illegal Substances: Marijuana, cocaine, heroin, and alcohol negatively impact fetal development, frequently causing low birth weight, fetal demise, and mental/cardiac issues.

  • Ethical Dilemmas: Issues encompass embryo selection, substance abuse during pregnancy, surrogacy, and care for infants with extremely low birth weight (500 grams or less).

  • Fetal Detection: Fetal movement is felt between 18-20 weeks (quickening), and the heartbeat is audible around 12 weeks.

  • Labor Induction: Pitocin is used to induce or strengthen labor contractions and manage postpartum bleeding.

  • Preeclampsia Management: Magnesium sulfate is used to prevent seizures. Methotrexate (Trexall) is used to dissolve ectopic masses.

  • Infertility Treatment: Clomiphene citrate (Clomid) stimulates ovulation for anovulatory infertility.

  • Hypertension Treatment: Nifedipine (calcium channel blocker) and Hydralazine are used to manage hypertension.

  • Fetal Lung Maturity: Betamethasone is an antenatal steroid used to accelerate fetal lung maturity.

  • Magnesium Sulfate Antidote: Calcium gluconate is used to counter mag sulfate toxicity.

  • Male Infertility Causes: Endocrine issues, infections, drugs, systemic illnesses, heat exposure to the testes, and intercourse disorders.

  • Female Infertility Causes: Ovulatory dysfunction, tubal/pelvic pathology, cervical mucus issues, and lifestyle changes.

  • Infertility Intervention: Couple counseling, hormonal therapy, and surgical interventions (e.g., fallopian tube repair, uterine fibroid removal).

  • Amniocentesis: Diagnostic procedure using a needle to obtain amniotic fluid for genetic testing, assessing fetal lung maturity, and identifying potential infections. Prior and post-care protocols require monitoring well-being for 2 days following the procedure, and ensuring minimal lifting.

  • Naegele's Rule: A calculation method for estimating the due date of a pregnancy, calculated by adding 7 days to the first day of the last menstrual period (LMP) and subtracting three months, then adding one year if needed.

  • GTPAL: (Gravida, Term, Preterm, Abortion, Living): A system for recording pregnancy history.

  • Gestational Length: Full term is 37 weeks or later; preterm is 20-36 weeks; and early pregnancy loss or miscarriage occurs before 20 weeks.

  • Preeclampsia Risk Factors: Nulliparity, age under 20 or over 35, obesity, and multiple gestation.

  • Biophysical Profile (BPP): Ultrasound used to assess fetal well-being including heart rate, fetal movement, tone, breathing, amniotic fluid volume.

  • Gestational Diabetes Diagnosis: A 1-hour glucose tolerance test followed by a 3-hour glucose test for confirmation.

  • Pregnancy Complication Avoidance: Avoid potentially harmful elements like raw meats, cat feces, and certain medications.

  • TORCH Infections: A category of infections (toxoplasmosis, other, rubella, cytomegalovirus, herpes) that can be spread to the fetus during pregnancy.

  • Group B Streptococcal (GBS): Bacteria screened for during pregnancy, treated to prevent potential infection of newborns.

  • Cystic Fibrosis: Inherited condition characterized by thickened mucus that blocks airways.

  • Placental Accreta: A condition where the placenta abnormally attaches to the uterine wall, impacting delivery procedure; and difficult/impossible detaching of the placenta.

  • Cervical Cerclage: Stitching the cervix during pregnancy to prevent preterm labor for at risk pregnancies.

  • Hyperemesis Gravidarum: Severe, persistent vomiting during pregnancy.

  • Intrauterine Growth Restriction (IUGR) Causes: Smoking, drugs, certain medications, and preeclampsia.

  • Placenta Previa: Placenta covering the cervix or lower uterine segment obstructing vaginal delivery route.

  • Spina Bifida: Neural tube defect that develops in the early stages of pregnancy, leading to problems in the spine.

  • Nutrition and Prenatal Care: Crucial factors to maintain pregnancy health, including weight gain, diet, and medical intervention such as supplemental medications for prenatal care.

  • Folic Acid: Reduces the risk of neural tube defects; frequently recommended for prenatal care.

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Description

This quiz covers essential topics in maternal health, including genetic testing methodologies and antenatal assessments. Explore the implications of carrier testing, the significance of Alpha-Fetoprotein screenings, and the effects of illegal substances on fetal development. Additionally, ethical dilemmas related to pregnancy are examined.

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