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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D","E"]
Explanation
Choice A rationale: Ensuring suction is available is critical because clients with severe preeclampsia or eclampsia are at risk for seizures that can cause airway obstruction from secretions or vomiting. Suction readiness supports immediate airway management during a seizure, preventing aspiration and maintaining oxygenation, essential in protecting maternal and fetal health.
Choice B rationale: Administering 10 L of oxygen via nasal cannula is not appropriate because nasal cannulas typically deliver oxygen up to 6 L/min; higher flows require a different delivery system like a non-rebreather mask. Also, routine high-flow oxygen is not indicated unless hypoxia is present. The client’s oxygen saturation is normal (99%), so supplemental oxygen at this rate is unnecessary and could cause discomfort or drying of mucous membranes.
Choice C rationale: Raising side rails is a safety measure to prevent injury during seizures or sudden movements caused by central nervous system irritability in preeclampsia. Elevated side rails help protect the client from falls or trauma if a seizure occurs, an essential precaution in clients with neurological symptoms such as hyperreflexia and clonus.
Choice D rationale: Placing a padded tongue blade at the bedside prepares for seizure management by preventing tongue biting and airway obstruction. The padded blade reduces the risk of oral trauma during convulsions and maintains airway patency. However, it should be used carefully to avoid airway injury or obstruction and only if a seizure occurs.
Choice E rationale: Dimming lights reduces environmental stimuli that may exacerbate neurological irritability or trigger seizures in preeclampsia/eclampsia. Bright or flashing lights can increase CNS excitation, worsening headache, visual disturbances, or seizure risk. Creating a calm, low-stimulation environment helps stabilize the client’s neurological status.
Choice F rationale: Placing the client in the supine position is contraindicated because it compresses the inferior vena cava, reducing venous return and cardiac output, potentially worsening placental perfusion. The left lateral position is preferred in hypertensive pregnancy to optimize uteroplacental blood flow and maternal hemodynamics, improving fetal oxygenation and maternal comfort.
Correct Answer is C
Explanation
Step 1 is to determine the number of days from April 1 to December 26. Days in April = 30 - 1 + 1 = 30 days. Days in May = 31 days. Days in June = 30 days. Days in July = 31 days. Days in August = 31 days. Days in September = 30 days. Days in October = 31 days. Days in November = 30 days. Days in December = 26 days. Total number of days = 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 26 = 270 days.
Step 2 is to convert the total number of days into weeks. 270 days ÷ 7 days/week = 38.57 weeks.
Step 3 is to round to the nearest whole week. The anticipated gestational age is 39 weeks.
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