The arrow identifies which one of the following cardiac stuctures? 

A mass located within the posterior myometrium of the uterus will displace the endometrium __________________________?

This is a midline sagittal scan of the lower uterine segment of a patient experiencing uterine bleeding. The most likely pathology is: 

Review the caliper placement on this image. Which of the following statements best describes the sonographic findings?  

A 26-year-old multigravida patient presents at 19 weeks gestation for her initial sonogram having experienced no complications to date. The sonographer documents a nuchal fold thickness of 8 mm. Which one of the following statements corresponds to this nuchal fold measurement?

Down’s syndrome is most commonly associated with which one of the following findings?

Which of the following ovarian neoplasms may present with an elevated AFP (alpha fetoprotein ) level?

The prominent echogenic ring surrounding a normally implanted gestational sac represents which one of the following structures?

The fetal abdominal circumference normally exceeds the head circumference at______________ weeks.

Which one of the following conditions is associated with an ovarian fibroma?