The quadruple screen evaluates all except which of the following?

What forms the lateral margins of the normal thoracic cavity?

In most open neural tube defects, the _____levels are elevated.

A spinal defect containing meninges and neural tissue is MOST likely to be a:

The “lemon sign and banana sign” are mostly usually associated with

A complex mass appearing on either side of the fetal neck is MOST likely to be a:

High levels of AFP indicate all except which of the following?

Normal bowel herniation should migrate back into the abdomen by ___ weeks. 

Renal malformations may be divided into which of the following two categories?

Cordocentesis is more commonly used for which one of the following procedures?