A nurse is preparing a client who is at 10 weeks of gestation for an ultrasound procedure.
Which of the following statements should the nurse make?
"With this procedure, we will be able to determine the biological sex of your fetus.”.
"With this procedure, we will be able to detect congenital anomalies.”.
"This procedure will help in determining your expected delivery date.”.
"This procedure will determine if you have enough amniotic fluid.”.
The Correct Answer is C
Choice A rationale
At 10 weeks of gestation, the external genitalia of the fetus are not yet fully differentiated or large enough to be reliably visualized and identified as male or female on an ultrasound. Fetal sex determination is typically more accurate later in pregnancy, usually after 16-20 weeks, when anatomical structures are more developed and distinct.
Choice B rationale
While some major structural congenital anomalies might be detectable at 10 weeks, a comprehensive and detailed assessment for a wide range of congenital anomalies is usually performed during the anomaly scan, which is typically conducted between 18 and 22 weeks of gestation. Fetal development is still ongoing at 10 weeks.
Choice C rationale
An ultrasound performed in the first trimester, particularly around 10 weeks, is highly accurate for estimating gestational age and, consequently, the expected delivery date. This is because fetal growth is very consistent during this period, allowing for precise measurements such as crown-rump length to determine gestational age within a small margin of error.
Choice D rationale
Assessment of amniotic fluid volume, often quantified using the amniotic fluid index (AFI) or deepest vertical pocket, is more commonly performed in the second and third trimesters of pregnancy. At 10 weeks, the amniotic fluid volume is relatively small, and its adequacy is not typically a primary focus of an early ultrasound unless there are specific concerns.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","D","E"]
Explanation
Choice A rationale
Acrocyanosis, characterized by bluish discoloration of the hands and feet, is a common and usually benign finding in newborns, especially shortly after birth due to immature peripheral circulation. It does not typically indicate neonatal abstinence syndrome, which is a neurological and systemic hyperexcitability response to opioid withdrawal.
Choice B rationale
Hypotonia, or decreased muscle tone, is generally a sign of central nervous system depression or neuromuscular disorder. In contrast, newborns with neonatal abstinence syndrome typically exhibit hypertonia, characterized by increased muscle tone, tremors, and hyperreflexia, due to the overstimulation of the central nervous system following cessation of maternal opioid exposure.
Choice C rationale
An exaggerated Moro reflex, characterized by an overly robust and prolonged startle response, is a common manifestation of central nervous system irritability seen in newborns experiencing neonatal abstinence syndrome. This hyperreflexia is a direct result of the withdrawal symptoms, indicating an overactive nervous system in response to the absence of the previously supplied opioid.
Choice D rationale
Tachypnea, or rapid breathing, is a frequent finding in newborns with neonatal abstinence syndrome. This symptom is often attributed to central nervous system irritability and increased metabolic demand associated with withdrawal, leading to respiratory distress. The respiratory rate often exceeds the normal range of 30-60 breaths per minute.
Choice E rationale
A shrill-pitched cry, often described as inconsolable or high-pitched, is a classic and distinctive symptom of neonatal abstinence syndrome. This abnormal cry pattern is indicative of central nervous system irritation and dysregulation, reflecting the newborn's discomfort and hyperirritability stemming from opioid withdrawal. This cry often differs from a typical hunger or discomfort cry.
Correct Answer is B
Explanation
Choice A rationale
Group B Streptococcus (GBS) screening is typically performed much later in pregnancy, usually between 35 and 37 weeks of gestation. This screening is crucial for identifying carriers and administering prophylactic antibiotics during labor to prevent vertical transmission to the newborn, which can cause severe infections like sepsis or meningitis.
Choice B rationale
Human immunodeficiency virus (HIV) screening is a standard diagnostic test offered to all pregnant clients during their first prenatal visit, typically around 12 weeks of gestation. Early detection allows for timely interventions, such as antiretroviral therapy, to reduce the risk of mother-to-child transmission and improve maternal health outcomes.
Choice C rationale
Chorionic villus sampling (CVS) is an invasive diagnostic procedure performed earlier in pregnancy, usually between 10 and 13 weeks of gestation, but it is not a routine screening test. It is typically offered to clients at high risk for genetic disorders due to family history, advanced maternal age, or abnormal prenatal screening results.
Choice D rationale
Cervical cone biopsy is a diagnostic and therapeutic procedure used to remove a cone-shaped piece of tissue from the cervix, typically to evaluate or treat abnormal cervical cells. It is not a routine diagnostic test during a normal prenatal visit and is usually performed prior to pregnancy or if there are specific gynecological concerns.
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