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 A
Explanation
Choice A rationale
The vaginal contraceptive ring is designed for cyclic use, specifically to be left inserted for 3 consecutive weeks, followed by a 1-week ring-free interval. This regimen allows for a withdrawal bleed during the ring-free week, mimicking a natural menstrual cycle while maintaining contraceptive efficacy by providing continuous hormone release for 21 days.
Choice B rationale
Body weight fluctuations of 4.5 kg (10 lb) do not significantly impact the effectiveness of the vaginal contraceptive ring. The ring delivers a localized and consistent dose of hormones that is not dependent on systemic absorption influenced by minor weight changes. Therefore, contacting a provider for a new ring due to this weight change is unnecessary.
Choice C rationale
The vaginal contraceptive ring should not be washed with soap and water after each use. The ring is a single-use, disposable device designed to be inserted and remain in place for the full 3-week duration. Washing it could potentially degrade the material or interfere with the controlled release of hormones, compromising its efficacy.
Choice D rationale
The vaginal contraceptive ring does not need to be inserted immediately before sexual intercourse. It provides continuous contraceptive protection as long as it is inserted and used correctly according to the 3-week in, 1-week out schedule. Its efficacy is not tied to the timing of individual sexual acts.
Correct Answer is ["A","C","D"]
Explanation
Choice A rationale
Temperature instability, particularly hypothermia, is a significant indicator of neonatal hypoglycemia. Glucose is the primary metabolic fuel for thermogenesis, and its deficiency impairs the infant's ability to maintain core body temperature. The normal newborn temperature range is typically 36.5°C to 37.5°C (97.7°F to 99.5°F).
Choice B rationale
Acrocyanosis, a bluish discoloration of the hands and feet, is a common and usually benign finding in newborns, especially in the first 24-48 hours, due to immature peripheral circulation. It does not directly indicate hypoglycemia; rather, it reflects normal physiological adaptation to extrauterine life.
Choice C rationale
Jitteriness, or tremors, is a classic neurological sign of hypoglycemia in newborns. The central nervous system is highly dependent on glucose for energy, and insufficient glucose supply can lead to neuronal excitability and involuntary muscle movements. This is often an early and prominent symptom.
Choice D rationale
Hypotonia, characterized by decreased muscle tone and floppiness, can be a symptom of severe or prolonged hypoglycemia. Glucose is essential for proper neuromuscular function, and its deprivation can impair nerve impulse transmission and muscle contraction, leading to reduced muscle resistance to passive movement.
Choice E rationale
Abdominal distention is typically associated with gastrointestinal issues such as feeding intolerance, bowel obstruction, or necrotizing enterocolitis. It is not a direct or common manifestation of hypoglycemia in newborns. Hypoglycemia primarily affects metabolic and neurological systems.
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