Questions from Module 2 of the Principles component
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| A second and third trimester sonography examination should include but not necessarily be limited to the assessment of the following fetal anatomy | show 🗑
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| Focus during a 1st trimester ultrasound | show 🗑
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| Focus during a 2nd trimester ultrasound | show 🗑
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| show | to monitor placental locations and fetal positions which may interfere with vaginal deliveries. Abnormal fluid volume is investigated and growth and size is monitored to document intrauterine growth restriction or conversely fetal macrosomia
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| Human pregnancy lasts how long? | show 🗑
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| show | 266 + 14days = 280 days; 280/7 = 40 weeks
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| Identify breech and vertex presentations when viewing longitudinal obstetrical sonograms which include the maternal bladder and cervix. | show 🗑
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| Specify the normal length of each trimester | show 🗑
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| How is gestational age determined during the first trimester? | show 🗑
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| How is gestational age determined during the 2nd and 3rd trimesters? | show 🗑
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| Describe the significance of the location of the placenta in relation to the internal cervical os | show 🗑
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| show | 0=smooth chorionic plate(CP), homogeneous appearance; 1=random echogenic areas, subtle indentations on CP; 2= basal echogenic densities, commalike densities in CP; 3= fallout areas, irregular densities with acoustic shadowing, scalloped CP
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| Describe the sonographic markers used to properly orient the transducer planes for the BPD, HC and AC. | show 🗑
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| What is the significance and sonographic appearance of the gestational sac. | show 🗑
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