Diagnostic Sonography

Medicine

Quiz 49 :

The Normal First Trimester

Quiz 49 :

The Normal First Trimester

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Using a transvaginal approach, the first structure visualized within a gestational sac is which one of the following structures?
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B

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The diameter of the normal yolk sac should never exceed _______ mm.
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B

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To calculate the mean sac diameter of a gestational sac, which one of the following formulas should be used?
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D

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The fusion of the chorion and amnion occurs between ________ weeks.
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Maternal serum hCG levels in a normal intrauterine pregnancy at less than 7 weeks should increase by doubling every _______________.
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Implantation of the blastocyst into the uterine decidua is completed within _______ days after fertilization.
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A sonogram at 10 weeks of gestation demonstrates a cystic area within the posterior cranium. This appearance most likely represents which one of the following?
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Typically, the yolk sac resorbs and is no longer visible sonographically by _______ weeks.
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The beta hCG levels plateau and subsequently decline, whereas the gestational sac continues to grow, after _________ weeks.
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The blastocyst typically enters the uterus ___________ days after fertilization.
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The cavity in which the fetus exists is called the _________ cavity.
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The embryonic heart begins to beat at __________ days.
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In the first trimester, herniated bowel will return within the abdominal cavity by the _________ week.
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The interface between the decidua capsularis and echogenic vascular endometrium is which one of the following?
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Transvaginal imaging of the female pelvis uses which of the following planes?
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Which of the following ages refers to the length of time calculated from the first day of the last normal menstrual period to the point at which the pregnancy is being assessed?
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Which one of the following terms refers to a multiple pregnancy within one chorionic sac?
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After fertilization of the ovum, the corpus luteum begins to secrete which of the following hormones?
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With transvaginal ultrasound, an abnormal pregnancy is suspected when visualizing the yolk sac fails with a minimum mean sac diameter (MSD) of ______ millimeters (mm).
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Which one of the following laboratory tests is used to indicate pregnancy when the values are elevated?
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