Maternal Newborn OB Final Exam Questions

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." - 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 - 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 - 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 - 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 - DAn 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. - 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 - 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 - 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 - 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 - A A major fetal development characteristic at 16 weeks' gestation is: a. The average fetal weight is 450 grams b. Lanugo covers entire bodyc. Brown fat begins to develop d. Teeth begin to form - 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. - 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. - True