OB Quiz 1 Flashcards
(392 cards)
With regard to amniocentesis, nurses should be aware that:
a. Because of new imaging techniques, amniocentesis is now possible in the first trimester.
b. Despite the use of ultrasound, complications still occur in the mother or infant in 5% to 10% of cases.
c. The shake test, or bubble stability test, is a quick means of determining fetal maturity.
d. The presence of meconium in the amniotic fluid is always cause for concern.
ANS: C
Diluted fluid is mixed with ethanol and shaken. After 15 minutes, the bubbles tell the story. Amniocentesis is possible after the fourteenth week of pregnancy when the uterus becomes an abdominal organ. Complications occur in less than 1% of cases; many have been minimized or eliminated through the use of ultrasound. Meconium in the amniotic fluid before the beginning of labor is not usually a problem.
Nurses should be aware that HELLP syndrome:
a. Is a mild form of preeclampsia.
b. Can be diagnosed by a nurse alert to its symptoms.
c. Is characterized by hemolysis, elevated liver enzymes, and low platelets.
d. Is associated with preterm labor but not perinatal mortality.
ANS: C
The acronym HELLP stands for hemolysis (H), elevated liver enzymes (EL), and low platelets (LP). HELLP syndrome is a variant of severe preeclampsia. HELLP syndrome is difficult to identify because the symptoms often are not obvious. It must be diagnosed in the laboratory. Preterm labor is greatly increased, and so is perinatal mortality.
The most common neurologic disorder accompanying pregnancy is:
a. Eclampsia. c. Epilepsy.
b. Bell’s palsy. d. Multiple sclerosis.
ANS: C
The effects of pregnancy on epilepsy are unpredictable. Eclampsia sometimes may be confused with epilepsy, which is the most common neurologic disorder accompanying pregnancy. Bell’s palsy is a form of facial paralysis. Multiple sclerosis is a patchy demyelinization of the spinal cord that does not affect the normal course of pregnancy or birth.
An 18-year-old client who has reached 16 weeks of gestation was recently diagnosed with pregestational diabetes. She attends her centering appointment accompanied by one of her girlfriends. This young woman appears more concerned about how her pregnancy will affect her social life than about her recent diagnosis of diabetes. Several nursing diagnoses are applicable to assist in planning adequate care. The most appropriate diagnosis at this time is:
a. Risk for injury to the fetus related to birth trauma.
b. Noncompliance related to lack of understanding of diabetes and pregnancy and requirements of the treatment plan.
c. Deficient knowledge related to insulin administration.
d. Risk for injury to the mother related to hypoglycemia or hyperglycemia.
ANS: B
Before a treatment plan is developed or goals for the outcome of care are outlined, this client must come to an understanding of diabetes and the potential effects on her pregnancy. She appears to have greater concern for changes to her social life than adoption of a new self-care regimen. Risk for injury to the fetus related to either placental insufficiency or birth trauma may come much later in the pregnancy. At this time the client is having difficulty acknowledging the adjustments that she needs to make to her lifestyle to care for herself during pregnancy. The client may not yet be on insulin. Insulin requirements increase with gestation. The importance of glycemic control must be part of health teaching for this client. However, she has not yet acknowledged that changes to her lifestyle need to be made, and she may not participate in the plan of care until understanding takes place.
Signs and symptoms that a woman should report immediately to her health care provider include (Select all that apply): a. Vaginal bleeding. b. Rupture of membranes. c. Heartburn accompanied by severe headache. d. Decreased libido. e. Urinary frequency.
ANS: A, B, C
Vaginal bleeding, rupture of membranes, and severe headaches all are signs of potential complications in pregnancy. Clients should be advised to report these signs to the health care provider. Decreased libido and urinary frequency are common discomforts of pregnancy that do not require immediate health care interventions.
To reassure and educate their pregnant clients about changes in their blood pressure, maternity nurses should be aware that:
a.
A blood pressure cuff that is too small produces a reading that is too low; a cuff that is too large produces a reading that is too high.
b.
Shifting the client’s position and changing from arm to arm for different measurements produces the most accurate composite blood pressure reading at each visit.
c.
The systolic blood pressure increases slightly as pregnancy advances; the diastolic pressure remains constant.
d.
Compression of the iliac veins and inferior vena cava by the uterus contributes to hemorrhoids in the later stage of term pregnancy.
ANS: D
Compression of the iliac veins and inferior vena cava also leads to varicose veins in the legs and vulva. The tightness of a cuff that is too small produces a reading that is too high; similarly the looseness of a cuff that is too large results in a reading that is too low. Because maternal positioning affects readings, blood pressure measurements should be obtained in the same arm and with the woman in the same position. The systolic blood pressure generally remains constant but may decline slightly as pregnancy advances. The diastolic blood pressure first decreases and then gradually increases.
Nurses should be aware that infertility:
a.
Is perceived differently by women and men.
b.
Has a relatively stable prevalence among the overall population and throughout a woman’s potential reproductive years.
c.
Is more likely the result of a physical flaw in the woman than in her male partner.
d.
Is the same thing as sterility.
ANS: A
Women tend to be more stressed about infertility tests and to place more importance on having children. The prevalence of infertility is stable among the overall population, but it increases with a woman’s age, especially after age 40. Of cases with an identifiable cause, about 40% are related to female factors, 40% to male factors, and 20% to both partners. Sterility is the inability to conceive. Infertility, or subfertility, is a state of requiring a prolonged time to conceive.
Diabetes refers to a group of metabolic diseases characterized by hyperglycemia resulting from defects in insulin action, insulin secretion, or both. Over time, diabetes causes significant changes in the microvascular and macrovascular circulations. These complications include: a. Atherosclerosis. b. Retinopathy. c. IUFD. d. Nephropathy. e. Neuropathy. Autonomcs neuropathy.
ANS: A, B, D, E
These structural changes are most likely to affect a variety of systems, including the heart, eyes, kidneys, and nerves. Intrauterine fetal death (stillbirth) remains a major complication of diabetes in pregnancy; however, this is a fetal complication.
Menstruation is periodic uterine bleeding:
a. That occurs every 28 days.
b. In which the entire uterine lining is shed.
c. That is regulated by ovarian hormones.
d. That leads to fertilization.
ANS: C
Menstruation is periodic uterine bleeding that is controlled by a feedback system involving three cycles: endometrial, hypothalamic-pituitary, and ovarian. The average length of a menstrual cycle is 28 days, but variations are normal. During the endometrial cycle, the functional two thirds of the endometrium is shed. Lack of fertilization leads to menstruation.
Congenital disorders refer to conditions that are present at birth. These disorders may be inherited and caused by environmental factors or maternal malnutrition. Toxic exposures have the greatest effect on development between 15 and 60 days of gestation. For the nurse to be able to conduct a complete assessment of the newly pregnant client, she should understand the significance of exposure to known human teratogens. These include (Select all that apply): a. Infections. b. Radiation. c. Maternal conditions. d. Drugs. e. Chemicals.
ANS: A, B, C, D, E
Exposure to radiation and numerous infections may result in profound congenital deformities. These include but are not limited to varicella, rubella, syphilis, parvovirus, cytomegalovirus, and toxoplasmosis. Certain maternal conditions such as diabetes and phenylketonuria may also affect organs and other parts of the embryo during this developmental period. Drugs such as antiseizure medication and some antibiotics as well as chemicals, including lead, mercury, tobacco, and alcohol, also may result in structural and functional abnormalities.
With regard to medications, herbs, shots, and other substances normally encountered by pregnant women, the maternity nurse should be aware that:
a.
Both prescription and over-the-counter (OTC) drugs that otherwise are harmless can be made hazardous by metabolic deficiencies of the fetus.
b.
The greatest danger of drug-caused developmental deficits in the fetus is seen in the final trimester.
c.
Killed-virus vaccines (e.g., tetanus) should not be given during pregnancy, but live-virus vaccines (e.g., measles) are permissible.
d.
No convincing evidence exists that secondhand smoke is potentially dangerous to the fetus.
ANS: A
Both prescription and OTC drugs that otherwise are harmless can be made hazardous by metabolic deficiencies of the fetus. This is especially true for new medications and combinations of drugs. The greatest danger of drug-caused developmental defects exists in the interval from fertilization through the first trimester, when a woman may not realize that she is pregnant. Live-virus vaccines should be part of postpartum care; killed-virus vaccines may be administered during pregnancy. Secondhand smoke is associated with fetal growth restriction and increases in infant mortality.
The nurse caring for the laboring woman should know that meconium is produced by: a. Fetal intestines. c. Amniotic fluid. b. Fetal kidneys. d. The placenta.
ANS: A
As the fetus nears term, fetal waste products accumulate in the intestines as dark green-to-black, tarry meconium.
Compared with contraction stress test (CST), nonstress test (NST) for antepartum fetal assessment:
a. Has no known contraindications.
b. Has fewer false-positive results.
c. Is more sensitive in detecting fetal compromise.
d. Is slightly more expensive.
ANS: A
CST has several contraindications. NST has a high rate of false-positive results, is less sensitive than the CST, and is relatively inexpensive.
As related to the care of the patient with miscarriage, nurses should be aware that:
a. It is a natural pregnancy loss before labor begins.
b. It occurs in fewer than 5% of all clinically recognized pregnancies.
c. It often can be attributed to careless maternal behavior such as poor nutrition or excessive exercise.
d. If it occurs before the twelfth week of pregnancy, it may manifest only as moderate discomfort and blood loss.
ANS: D
Before the sixth week the only evidence may be a heavy menstrual flow. After the twelfth week more severe pain, similar to that of labor, is likely. Miscarriage is a natural pregnancy loss, but by definition it occurs before 20 weeks of gestation, before the fetus is viable. Miscarriages occur in approximately 10% to 15% of all clinically recognized pregnancies. Miscarriage can be caused by a number of disorders or illnesses outside of the mother’s control or knowledge.
A woman was treated recently for toxic shock syndrome (TSS). She has intercourse occasionally and uses over-the-counter protection. On the basis of her history, what contraceptive method should she and her partner avoid? a. Cervical cap c. Vaginal film b. Condom d. Vaginal sheath
ANS: A
Women with a history of TSS should not use a cervical cap. Condoms, vaginal films, and vaginal sheaths are not contraindicated for a woman with a history of TSS.
A physician prescribes clomiphene citrate (Clomid, Serophene) for a woman experiencing infertility. She is very concerned about the risk of multiple births. The nurse’s most appropriate response is:
a.
“This is a legitimate concern. Would you like to discuss this further before your treatment begins?”
b.
“No one has ever had more than triplets with Clomid.”
c.
“Ovulation will be monitored with ultrasound so that this will not happen.”
d.
“Ten percent is a very low risk, so you don’t need to worry too much.”
ANS: A
The incidence of multiple pregnancies with the use of these medications is significantly increased. The patient’s concern is legitimate and should be discussed so that she can make an informed decision. Stating that no one has ever had “more than triplets” is inaccurate and negates the patient’s concerns. Ultrasound cannot ensure that a multiple pregnancy will not occur. The percentage quoted in this statement is inaccurate. The comment “don’t worry” discredits the patient’s concern.
Postcoital contraception with Ovral:
a.
Requires that the first dose be taken within 72 hours of unprotected intercourse.
b.
Requires that the woman take second and third doses at 24 and 36 hours after the first dose.
c.
Must be taken in conjunction with an IUD insertion.
d.
Is commonly associated with the side effect of menorrhagia.
ANS: A
Emergency contraception is most effective when used within 72 hours of intercourse; however, it may be used with lessened effectiveness 120 hours later. Insertion of the copper IUD within 5 days of intercourse may also be used and is up to 99% effective. The most common side effect of postcoital contraception is nausea.
An abortion in which the fetus dies but is retained within the uterus is called a(n):
a. Inevitable abortion c. Incomplete abortion
b. Missed abortion d. Threatened abortion
ANS: B
Missed abortion refers to retention of a dead fetus in the uterus. An inevitable abortion means that the cervix is dilating with the contractions. An incomplete abortion means that not all of the products of conception were expelled. With a threatened abortion the woman has cramping and bleeding but not cervical dilation.
Injectable progestins (DMPA, Depo-Provera) are a good contraceptive choice for women who:
a.
Want menstrual regularity and predictability.
b.
Have a history of thrombotic problems or breast cancer.
c.
Have difficulty remembering to take oral contraceptives daily.
d.
Are homeless or mobile and rarely receive health care.
ANS: C
Advantages of DMPA include a contraceptive effectiveness comparable to that of combined oral contraceptives with the requirement of only four injections a year. Disadvantages of injectable progestins are prolonged amenorrhea and uterine bleeding. Use of injectable progestin carries an increased risk of venous thrombosis and thromboembolism. To be effective, DMPA injections must be administered every 11 to 13 weeks. Access to health care is necessary to prevent pregnancy or potential complications.
Which symptom described by a patient is characteristic of premenstrual syndrome (PMS)?
a.
“I feel irritable and moody a week before my period is supposed to start.”
b.
“I have lower abdominal pain beginning the third day of my menstrual period.”
c.
“I have nausea and headaches after my period starts, and they last 2 to 3 days.”
d.
“I have abdominal bloating and breast pain after a couple days of my period.”
ANS: A
PMS is a cluster of physical, psychologic, and behavioral symptoms that begin in the luteal phase of the menstrual cycle and resolve within a couple of days of the onset of menses. Complaints of lower abdominal pain, nausea and headaches, and abdominal bloating all are associated with PMS. However, the timing reflected is inaccurate.
A woman inquires about herbal alternative methods for improving fertility. Which statement by the nurse is the most appropriate when instructing the client in which herbal preparations to avoid while trying to conceive?
a.
“You should avoid nettle leaf, dong quai, and vitamin E while you are trying to get pregnant.”
b.
“You may want to avoid licorice root, lavender, fennel, sage, and thyme while you are trying to conceive.”
c.
“You should not take anything with vitamin E, calcium, or magnesium. They will make you infertile.”
d.
“Herbs have no bearing on fertility.”
ANS: B
Herbs that a woman should avoid while trying to conceive include licorice root, yarrow, wormwood, ephedra, fennel, golden seal, lavender, juniper, flaxseed, pennyroyal, passionflower, wild cherry, cascara, sage, thyme, and periwinkle. Nettle leaf, dong quai, and vitamin E all promote fertility. Vitamin E, calcium, and magnesium may promote fertility and conception. All supplements and herbs should be purchased from trusted sources.
There is little consensus on the management of premenstrual dysphoric disorder (PMDD). However, nurses can advise women on several self-help modalities that often improve symptoms. The nurse knows that health teaching has been effective when the client reports that she has adopted a number of lifestyle changes, including (Select all that apply): a. Regular exercise. b. Improved nutrition. c. A daily glass of wine. d. Smoking cessation. e. Oil of evening primrose.
ANS: A, B, D, E
These modalities may provide significant symptom relief in 1 to 2 months. If there is no improvement after these changes have been made, the patient may need to begin pharmacologic therapy. Women should decrease both their alcohol and caffeinated beverage consumption if they have PMDD.
A couple comes in for an infertility workup, having attempted to get pregnant for 2 years. The woman, 37, has always had irregular menstrual cycles but is otherwise healthy. The man has fathered two children from a previous marriage and had a vasectomy reversal 2 years ago. The man has had two normal semen analyses, but the sperm seem to be clumped together. What additional test is needed? a. Testicular biopsy b. Antisperm antibodies c. Follicle-stimulating hormone (FSH) level d. Examination for testicular infection
ANS: C
The woman has irregular menstrual cycles. The scenario does not indicate that she has had any testing related to this irregularity. Hormone analysis is performed to assess endocrine function of the hypothalamic-pituitary-ovarian axis when menstrual cycles are absent or irregular. Determination of blood levels of prolactin, FSH, luteinizing hormone (LH), estradiol, progesterone, and thyroid hormones may be necessary to diagnose the cause of irregular menstrual cycles. A testicular biopsy would be indicated only in cases of azoospermia (no sperm cells) or severe oligospermia (low number of sperm cells). Antisperm antibodies are produced by a man against his own sperm. This is unlikely to be the case here because the man has already produced children. Examination for testicular infection would be done before semen analysis. Infection would affect spermatogenesis.
Prophylaxis of subacute bacterial endocarditis is given before and after birth when a pregnant woman has:
a. Valvular disease. c. Arrhythmias.
b. Congestive heart disease. d. Postmyocardial infarction.
ANS: A
Prophylaxis for intrapartum endocarditis and pulmonary infection may be provided for women who have mitral valve stenosis. Prophylaxis for intrapartum endocarditis is not indicated for congestive heart disease, arrhythmias, or after myocardial infarction.