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Maternal Newborn OB Final Exam Questions
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Maternal Newborn OB Final ExamQuestions
Which of the following statements by a pregnant woman indicates she needs additional teaching on
ways to reduce risks to her unborn child from the potential effects of exposure to toxoplasmosis?a.
"I will avoid rare lamb."b. "I will wear a mask when cleaning my cat's litter box."c. "I understand that
exposure to toxoplasmosis can cause blindness in the baby."d. "I will avoid rare beef." - verified
answer b. Correct. Pregnant women and women who are attempting pregnancy should avoid
contact with cat feces. Exposure occurs when the protozoan parasite found in cat feces and
uncooked or rare beef and lamb is ingested. Wearing a mask will not decrease the risk through
ingestion of the parasite.
The fetal circulatory structure that connects the pulmonary artery with the descending aorta is
known as which of the following?a. Ductus venosusb. Foramen ovalec. Ductus arteriosusd. Internal
iliac artery - verified answer c. Correct.
A woman at 40 weeks' gestation has a diagnosis of oligohydramnios. Which of the following
statements related to oligohydramnios is correct?a. It indicates that there is a 25% increase in
amniotic fluid.b. It indicates that there is a 25% reduction of amniotic fluid.c. It indicates that there is
a 50% increase in amniotic fluid.d. It indicates that there is a 50% reduction of amniotic fluid -
verified answer d. Correct. Oligohydramnios refers to a decreased amount of amniotic fluid of less
than 500 mL at term or 50% reduction of normal amounts.
The nurse takes the history of a client, G2 P1, at her first prenatal visit. The client is referred to a
genetic counselor, due to her previous child having a diagnosis of __________.
a. Unilateral amblyopia
b. Subdural hematoma
c. Sickle cell anemia
d. Glomerular nephritis - verified answer C
A nurse is teaching a woman about her menstrual cycle. The nurse states that __________ is the
most important change that happens during the secretory phase of the menstrual cycle.
a. Maturation of the graafian follicle
b. Multiplication of the fimbriae
c. Secretion of human chorionic gonadotropin
d. Proliferation of the endometrium - verified answer D
An ultrasound of a fetus' heart shows that "normal fetal circulation is occurring." Which of the
following statements is consistent with the finding?
a. A right to left shunt is seen between the atria.
b. Blood is returning to the placenta via the umbilical vein.
c. Blood is returning to the right atrium from the pulmonary system.
d. A right to left shunt is seen between the umbilical arteries. - verified answer A
,The clinic nurse knows that the part of the endometrial cycle occurring from ovulation to just prior
to menses is known as the:
a. Menstrual phase
b. Proliferative phase
c. Secretory phase
d. Ischemic phase - verified answer C
A clinic nurse explains to the pregnant woman that the amount of amniotic fluid present at 24
weeks' gestation is approximately:
a. 500 mL
b. 750 mL
c. 800 mL
d. 1000 mL - verified answer C
Information provided by the nurse that addresses the function of the amniotic fluid is that the
amniotic fluid helps the fetus to maintain a normal body temperature and also:
a. Facilitates asymmetrical growth of the fetal limbs
b. Cushions the fetus from mechanical injury
c. Promotes development of muscle tone
d. Promotes adherence of fetal lung tissue - verified answer B
During preconception counseling, the clinic nurse explains that the time period when the fetus is
most vulnerable to the effects of teratogens occurs from:
a. 2 to 8 weeks
b. 4 to12 weeks
c. 5 to 10 weeks
d. 6 to 15 weeks - verified answer A
A major fetal development characteristic at 16 weeks' gestation is:
a. The average fetal weight is 450 grams
b. Lanugo covers entire body
c. Brown fat begins to develop
d. Teeth begin to form - verified answer D
A couple who has sought infertility counseling has been told that the man's sperm count is very low.
The nurse advises the couple that spermatogenesis is impaired when which of the following occur?
a. The testes are overheated.
b. The vas deferens is ligated.
,c. The prostate gland is enlarged.
d. The flagella are segmented. - verified answer A
The perinatal nurse explains to the student nurse that in the fetal circulation, the lowest level of
oxygen concentration is found in the umbilical arteries. - verified answer True
A woman seeks care at an infertility clinic. Which of the following tests may this woman undergo to
determine what, if any, infertility problem she may have? (Select all that apply.)
a. Chorionic villus sampling
b. Endometrial biopsy
c. Hysterosalpingogram
d. Serum FSH analysis - verified answer B, C, D
Which of the following places a couple at higher risk for conceiving a child with a genetic
abnormality? (Select all that apply.)
a. Maternal age over 35 years
b. Partner who has a genetic disorder
c. Maternal type 1 diabetes
d. Paternal heart disease - verified answer A, B
During a routine prenatal visit in the third trimester, a woman reports she is dizzy and lightheaded
when she is lying on her back. The most appropriate nursing action would be to:a. Order an EKG.
b. Report this abnormal finding immediately to her care provider.
c. Teach the woman to avoid lying on her back and to rise slowly because of supine hypotension.
d. Order a nonstress test to assess fetal well-being. - verified answer C
Blood volume expansion during pregnancy leads to: a. Iron-deficiency anemiab. Maternal iron stores
being insufficient to meet the demands for iron in fetal developmentc. Plasma fibrin increase of 40%
and fibrinogen increase of 50%d. Physiological anemia of pregnancy - verified answer D
A woman presents to the prenatal clinic at 30 weeks' gestation reporting dysuria, frequency, and
urgency with urination. Appropriate nursing actions include:a. Obtain clean-catch urine to assess for
a possible urinary tract infection.b. Reassure the woman that the signs are normal urinary changes in
the third trimester.c. Teach the woman to decrease fluid intake to manage these symptoms.d.
Perform a Leopold's maneuver to assess fetal position and station. - verified answer A
At the end of her 32-week prenatal visit, a woman reports discomfort with intercourse and tells you
shyly that she wants to maintain a sexual relationship with her partner. The best response is to: a.
Reassure woman/couple of normalcy of responseb. Suggest alternative positions for sexual
intercourse and alternative sexual activity to sexual intercoursec. Recommend cessation of
intercourse until after delivery due to advanced gestationd. Suggest woman discuss this with her
care provider at her next appointment - verified answer B
, The clinic nurse talks to a 30-year-old woman at 34 weeks' gestation who complains of having
difficulty sleeping. Jayne has noticed that getting back to sleep after she has been up at night is
difficult. The nurse's best response is:
a. "This is abnormal; it is important that you describe this problem to the doctor."
b. "This is normal, and many women have this same problem during pregnancy; try napping for
several hours each morning and afternoon."
c. "This is abnormal; tell the doctor about this problem because diagnostic testing may be
necessary."
d. "This is normal in pregnancy, particularly during the third trimester when you also feel fetal
movement at night; try napping once a day." - verified answer D
A 26-year-old woman at 29 weeks' gestation experienced epigastric pain following the consumption
of a large meal of fried fish and onion rings. The pain resolved a few hours later. The most likely
diagnosis for this symptom is:
a. Cholelithiasis
b. Influenza
c. Urinary tract infection
d. Indigestion - verified answer A. a. The progesterone-induced prolonged emptying time of bile
from the gallbladder, combined with elevated blood cholesterol levels, may predispose the pregnant
woman to gallstone formation (cholelithiasis). Pain in the epigastric region following ingestion of a
high-fat meal constitutes the major symptom of these conditions. The pain is self-limiting and usually
resolves within 2 hours.
The clinic nurse reviews the complete blood count results for a 30-year-old woman who is now 33
weeks' gestation. Tamara's hemoglobin value is 11.2 g/dL, and her hematocrit is 38%. The clinic
nurse interprets these findings as:
a. Normal adult values
b. Normal pregnancy values for the third trimester
c. Increased adult values
d. Increased values for 33 weeks' gestation - verified answer B. During pregnancy the woman's
hematocrit values may appear low due to the increase in total plasma volume (on average, 50%).
Because the plasma volume is greater than the increase in erythrocytes (30%), the hematocrit
decreases by about 7%. This alteration is termed "physiologic anemia of pregnancy," or "pseudo-
anemia." The hemodilution effect is most apparent at 32 to 34 weeks. The mean acceptable
hemoglobin level in pregnancy is 11 to 12 g/dL of blood.
The clinic nurse is aware that the pregnant woman's blood volume increases by:
a. 20% to 25%
b. 30% to 35%
c. 40% to 45%
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