ATI RN
Maternal Monitoring During Labor Questions
Question 1 of 5
During an ultrasound, two amnions and two placentas are observed. What will be the most likely result of this pregnancy?
Correct Answer: A
Rationale: The correct answer is A) Dizygotic twins. In a pregnancy where two amnions and two placentas are observed on ultrasound, it indicates a dichorionic-diamniotic (DCDA) pregnancy. This means that there are two separate eggs fertilized by two different sperm, leading to the development of dizygotic twins. Each twin will have its own amniotic sac and placenta. Option B) Monozygotic twins, would typically share a single placenta and may or may not have separate amniotic sacs. In this case, the presence of two placentas rules out a monozygotic twin pregnancy. Option C) Conjoined twins would show physical signs of being connected to each other in some way. The presence of two amnions and two placentas does not support this diagnosis. Option D) High birth-weight twins is not a direct result of the observation of two amnions and two placentas. Birth weight can vary in both monozygotic and dizygotic twin pregnancies. Understanding the different types of twins and how they present on ultrasound is crucial in obstetric pharmacology and maternal monitoring during labor. This knowledge helps healthcare providers anticipate any potential complications and provide appropriate care for the mother and babies.
Question 2 of 5
The nurse explains that prior to fertilization each cell is reduced from 46 chromosomes to 23 chromosomes. This is referred to as the __________ number.
Correct Answer: A
Rationale: In pharmacology, understanding the basics of genetics is crucial as it underpins drug actions and responses in individuals. The correct answer to the question is A) haploid. The term "haploid" refers to a cell that contains half the usual number of chromosomes, which is 23 in humans. This reduction from the normal 46 chromosomes occurs during the process of gametogenesis, where germ cells undergo meiosis to produce gametes (sperm and egg) with half the genetic material. Option B) DNA is incorrect because DNA refers to the genetic material present in the cell's nucleus, not the chromosome number. Option C) Chromoses is misspelled and does not represent a valid term in genetics. Option D) Plastoderm is an unrelated term not relevant to chromosome reduction during gametogenesis. In the context of maternal monitoring during labor, understanding the genetic processes involved in fertilization and early embryonic development is important for assessing potential genetic risks or abnormalities that could impact the mother or the fetus. Nurses involved in maternal care need to have a strong foundation in genetics to provide accurate information and support to expectant mothers. Understanding the concept of haploid cells and their role in reproduction is fundamental to comprehending genetic inheritance patterns and potential complications that may arise during pregnancy.
Question 3 of 5
The clinic nurse is obtaining a health history on a newly pregnant patient. Which is an indication for fetal diagnostic procedures if present in the health history?
Correct Answer: A
Rationale: In pharmacology, understanding maternal monitoring during labor is crucial to ensure the well-being of both the pregnant woman and the fetus. In this scenario, the correct answer is option A) Maternal diabetes, as it is a significant indication for fetal diagnostic procedures due to the potential risks associated with diabetes in pregnancy. Maternal diabetes can lead to complications such as macrosomia (large birth weight), congenital anomalies, and increased risk of stillbirth. Therefore, close monitoring of the fetus through diagnostic procedures like ultrasound, non-stress tests, or biophysical profiles is essential to assess fetal well-being and make timely interventions if needed. Option B) Weight gain of 25 lb is not a direct indication for fetal diagnostic procedures during pregnancy. It is important for overall maternal health monitoring but does not specifically warrant fetal diagnostic procedures. Option C) Maternal age older than 30 years is a common factor in pregnancies today, and while advanced maternal age may increase some risks, it is not a direct indication for fetal diagnostic procedures unless other risk factors are present. Option D) Previous infant weighing more than 3000 g at birth is not a specific indication for fetal diagnostic procedures unless there were complications during the previous birth related to the infant's size. Educationally, pharmacology students and healthcare professionals need to understand the rationale behind fetal monitoring during pregnancy to provide safe and effective care to pregnant women. Recognizing high-risk conditions like maternal diabetes and understanding when fetal diagnostic procedures are warranted are key components of maternal-fetal pharmacology.
Question 4 of 5
What does optimal nursing care after an amniocentesis include?
Correct Answer: B
Rationale: In the context of maternal monitoring during labor, optimal nursing care after an amniocentesis includes monitoring uterine activity. This is the correct answer because after an amniocentesis, it is crucial to monitor uterine contractions to ensure that the procedure has not triggered any unwanted changes in the uterine activity that could potentially lead to preterm labor or other complications. Monitoring uterine activity allows healthcare providers to detect any signs of distress early on and intervene promptly. Pushing fluids by mouth (Option A) is important for hydration but is not directly related to post-amniocentesis care. Placing the patient in a supine position for 2 hours (Option C) is not recommended as it can lead to decreased blood flow to the placenta and fetus. Applying a pressure dressing to the puncture site (Option D) is not typically done after an amniocentesis as it can increase the risk of infection or interfere with the healing process. Educationally, understanding the importance of monitoring uterine activity post-amniocentesis is crucial for nurses and healthcare providers caring for pregnant women. This knowledge helps in providing safe and effective care, ensuring the well-being of both the mother and the fetus during the critical period following the procedure.
Question 5 of 5
For which patient would an L/S ratio of 2:1 potentially be considered abnormal?
Correct Answer: B
Rationale: In pharmacology, the L/S ratio (lecithin/sphingomyelin ratio) is a crucial indicator of fetal lung maturity. An L/S ratio of 2:1 is generally considered normal, indicating mature fetal lungs. Option B, a 24-year-old gravida 1, para 0, with diabetes, would potentially have an abnormal L/S ratio of 2:1 because diabetes can delay fetal lung maturity, leading to a higher ratio than expected. Option A, a 38-year-old gravida 2, para 1, at 38 weeks' gestation, is less likely to have an abnormal L/S ratio as advanced maternal age alone is not a significant factor in fetal lung maturity. Option C, a 44-year-old gravida 6, para 5, at term, is also less likely to have an abnormal ratio as multiparity does not necessarily impact fetal lung maturity. Option D, an 18-year-old gravida 1, para 0, in early labor at term, is less likely to have an abnormal ratio as age and parity are not typically associated with delayed fetal lung maturity. Understanding these factors is essential for healthcare providers involved in maternal monitoring during labor to interpret and respond to variations in the L/S ratio accurately, ensuring the best outcomes for both the mother and the baby.