OB exam 1 practice questions and correct answers with correct detailed rationale

Antibodies are proteins used by the immune system to identify and neutralize foreign objects. - correct answers true Which is true of Rh incompatibility between the mother and fetus? - correct answers Maternal antibodies cause hemolysis of fetal red blood cells. RhoGAM - correct answers Prevents the mother from building antibodies against Rh+ blood For the woman who is 2 days postpartum, the nurse should expect the appearance of her lochia to be: - correct answers rubra Assessment of a woman who delivered 2 hours ago reveals heavy vaginal bleeding. The nurse recognizes this bleeding is most likely due to: - correct answers uterine atony The process through which the uterus shrinks following childbirth is called: - correct answers involution Which finding in the 2nd day postpartum woman requires action? - correct answers temperature of 100.6 What physical assessment finding is normal for a 3rd day postpartum woman? - correct answers "lumpy" breast tissue Which finding is related to a distended bladder in a woman who delivered vaginally 8 hours ago? - correct answers Fundus 3 fingerbreadths above the umbilicus, displaced to the right A woman gave birth 15 minutes ago. Which maternal behavior promotes attachment? - correct answers... The nurse has received a report about a woman in labor. The woman's last vaginal examination was recorded as 3 cm, 30%, and -2. The nurse's interpretation of this assessment is that the cervix is: - correct answers Dilated 3 cm, effaced 30%, and the fetal presenting part is 2 cm above the ischial spines. A woman has been in labor for 8 hours. Her membranes have just ruptured. The nurse's initial action should be to: - correct answers Assess the fetal heart rate for at least one minute The slight overlapping of cranial bones or shaping of the fetal head that allows it to conform to the maternal pelvis during labor is called: - correct answers molding The cephalic presentation in which the fetal head is fully flexed is called: - correct answers vertex (occiput) presentation The nurse is assessing a woman who states she is in labor. Which finding would confirm this belief? - correct answers The cervix has dilated from 2 cm to 4 cm A woman in labor has very strong contractions every 1.5-2 minutes. She is experiencing leg tremors, nausea and vomiting, irritability and loss of control. The nurse recognizes that the woman is most likely in which phase or stage of labor? - correct answers transition A woman is in the third stage of labor. Which observation by the nurse is expected? - correct answers Uterus rises and the cord lengthens with a spurt of blood Which Leopold's Maneuvers does the nurse perform first? - correct answers Palpate the fetal part occupying the uterine fundus During labor, use of vertical positions such as standing or sitting benefit labor by: - correct answers... Globally, countries with universally available preventative, primary health care for mothers before and during pregnancy have lower infant mortality rates than the United States. - correct answerstrue Structural organ deformities are most likely to occur if an embryo is exposed to a potent teratogen during weeks _________ after conception. - correct answers3-8 The purpose of preconception care is to improve pregnancy outcomes. - correct answers true Folic acid should be taken only if a woman intends to become pregnant. - correct answers false The MMR (Measles Mumps and Rubella) vaccine should be given to pregnant women. - correct answers false Genetic counselors using the principle of "non-directiveness" strongly recommend which decisions and courses of action individuals and families should take. - correct answers false A woman's serum pregnancy test is positive. The nurse explains this indicates a: - correct answers probable sign of pregnancy The nurse explains activities routinely included in prenatal care. Which would not be included as an expectation for prenatal care? - correct answers Encouraging invasive testing for fetal genetic defects A woman's response to pregnancy is characterized by uncertainty, ambivalence, self-focus and emotional lability. Which trimester of pregnancy is this expected? - correct answers first trimester An expectant father is most likely to begin to identity himself as a father after the baby's birth, when he is able to see and hold the baby. - correct answerstrue