A 34-Year-Old Primigravida at 18 Weeks Gestation Comes to the Office

question 1

Multiple Choice

A 34-year-old primigravida at 18 weeks gestation comes to the office for a routine prenatal examination.  The patient's pregnancy has been uncomplicated.  She takes a daily prenatal vitamin, and her laboratory results have been normal to date.  The patient's personal and family medical histories are unremarkable.  During the visit, a detailed fetal ultrasound reveals unilateral hydronephrosis.  Male external genitalia are also visible.  If the fetal hydronephrosis is caused by obstruction, which of the following is the most likely site?

• A)Spinal cord
• B)Ureteropelvic junction
• C)Urethra
• D)Urinary meatus
• E)Vesicoureteral junction

---

Definitions:

Chi-square Statistic

A statistic used to test hypotheses about the distribution of observations among categories.

Fixed Interval

A specific period of time between occurrences or events in a scheduled series.

Two-way Table

A table that displays data collected from two variables, providing a basis for examining relationships between them.

SAS Proficiency

The level of skill or expertise one has in using the Statistical Analysis System (SAS), a software suite used for advanced analytics, multivariate analysis, business intelligence, and data management.