A nurse is teaching a newly licensed nurse about the uses of ultrasonography in the first trimester of pregnancy. Which of the following statements by the newly licensed nurse indicates an understanding of the teaching?
"Ultrasound is used to observe for placental maturity in the first trimester."
"Ultrasound is used to perform a biophysical profile in the first trimester."
"Ultrasound is used to determine gestational age in the first trimester."
"Ultrasound is used to detect intrauterine growth restriction in the first trimester."
The Correct Answer is C
The correct answer is choice C. Ultrasonography is a diagnostic tool used during pregnancy to visualize the fetus and the maternal reproductive organs. In the first trimester of pregnancy, it is primarily used to determine gestational age, confirm the presence of an intrauterine pregnancy, and assess for fetal viability. It can also be used to identify multiple gestations, evaluate for ectopic pregnancy, and detect certain fetal anomalies. Ultrasound is not typically used to observe for placental maturity or to perform a biophysical profile in the first trimester. Intrauterine growth restriction is typically assessed later in pregnancy using serial ultrasound measurements.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
The correct answer is choice D, Sharp pelvic pain. An ectopic pregnancy occurs when a fertilized egg implants outside of the uterus, most commonly in the fallopian tube. Sharp pelvic pain is a classic sign of an ectopic pregnancy, as the developing embryo can cause the tube to rupture or stretch, leading to pain. A scaphoid abdomen, elevated blood pressure, and bright red vaginal discharge are not typical manifestations of an ectopic pregnancy. 
Correct Answer is B
Explanation
The correct answer is choice B. Facial petechiae are a clinical finding that can occur in newborns who had a nuchal cord during delivery. The nuchal cord occurs when the umbilical cord becomes wrapped around the fetal neck one or more times. Erythema toxicum is a common, benign rash that appears as small, firm, yellow, or white papules surrounded by a red halo. Periauricular papillomas and telangiectatic nevi are not associated with the nuchal cord.
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