This image of a fetal head was taken from a fetus that is believed to have a bilateral carotid artery occlusion.  Which diagnosis would be consistent with these findings?

The abdomen image below was taken from a 31week fetus.  What finding should the sonographer suspect?

In this transverse image of the aorta, what is being measured?

Which structure is indicated by the letter A in this diagram?

In this image, what muscle is indicated by the REDarrow?

A sonogram demonstrates the a 3 cm  an almost isoechoic liver mass in the periphery of the liver near the diaphragm.  Doppler ultrasound reveals a “spoke-wheel” pattern of flow.  What is the most likely diagnosis?

Which statement BEST describes the most common location of an accessory spleen?

Which statement is TRUE regarding the portal triad?

In this diagram, what area is indicated by the letter B?

Which hormones are secretated from the pituitary gland when there is a low concentration of estrogen?