The _______ of an antibody binds the antigen.

Describe Grades I-IV IVH in neonates (** must DEFINE and give SONOGRAPHIC APPEARANCE of each**): Grade I Grade II Grade III Grade IV

Lipopolysaccharide is an _______ pyrogen.

A _______ occur when a superantigen over activates T cells and leads to an excessive inflammatory response.

Antibodies are an important component of the adaptive immune response, however they do not destroy pathogens themselves. Explain the action of antibodies.

Where do the majority of intracranial hemorrhages originate?

What structure is responsible for the formation and regulation of CSF?

Which of the following facts did Hershey and Chase make use of in trying to determine whether DNA or protein is the genetic material? DNA contains phosphorus, whereas protein does not. DNA contains nitrogen, whereas protein does not. DNA contains sulfur, whereas protein does not. DNA contains purines, whereas protein includes pyrimidines.

You perform a neonatal head ultrasound.  Your findings are multiple cystic spaces lateral to the ventricles.  On previous imaging these structures were not present, instead this area demonstrated increased echogenicity.   What is the most likely cause?

The atrium, or trigone, in the neonatal brain is the site where the frontal (body), occipital, and temporal horns join together.