Constitutional Topic: The Preamble. The Constitutional Topics pages at the USConstitution.net site are presented to delve deeper into topics than can be provided on the Glossary Page or in the FAQ pages. This Topic Page concerns The Preamble. The first paragraph of the Constitution provides the context for the Constitution â the why of the document. The Constitution was written by several committees over the summer of 1787, but the committee most responsible for the final form we know today is the Committee of Stile and Arrangement.
1 Antibody screen is another blood test that can show if an Rh-negative woman has developed antibodies to Rh-positive blood. 2  An injection of Rh immunoglobulin (RhIg), a blood product that can prevent sensitization of an Rh-negative mother.
Of the human blood types, O is the most common. It is a universal blood type. Blood types are further broken down into two groups, negative and positive. This is called the RH factor. The RH factor is the Rhesus (rhesus as in monkey) blood factor. If your blood tests positive for this, you have the factor in your blood. If you test negative, you do not have the factor in your blood. The RH factor is a protein found in the human blood that is directly linked to the Rhesus Monkey.