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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Related Questions
Correct Answer is B
Explanation
Newborns born to mothers with gestational diabetes mellitus are at risk for hypoglycemia, which is a condition characterized by low blood sugar levels. Jitteriness is a common sign of hypoglycemia in newborns. Other signs of hypoglycemia include poor feeding, lethargy, seizures, and apnea.
Choice A, petechiae, refers to small, pinpoint, red or purple spots on the skin caused by bleeding under the skin. It is not a common manifestation of hypoglycemia. Choice C, increased muscle tone, is not a common manifestation of hypoglycemia and may indicate other conditions such as cerebral palsy. Choice D, abdominal distention, may indicate other conditions such as intestinal obstruction or infection, but is not a common manifestation of hypoglycemia.
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. 
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