Exam 5: Rh, Rhag, and Lw Blood Group Systems

Which chromosome carries the two Rh genes?

Donor red blood cells that are e negative will be ______,unless they are of a rare deletion phenotype.

If rouLeᵃux is suspected as being the cause of a positive Rh control in the immediate spin phase,what action should be taken?

The way that anti-D reagents were historically formulated to allow agglutination without the antiglobulin phase was to add what percentage of protein?

What animal was the Rhesus blood group system named after?

Which of the following is not true about Cw antigen?

The Ce antigen is present when C and e are found in the ____ position.

Molecular studies have shown that most ____ D phenotypes are due to an exchange of genetic information between RHD and RHCE genes.

The C/c antigens arise from a single amino acid difference at position

Which of the following is not true about Rh proteins?

In people of European ethnicity,the most common Rh(D)-positive phenotype is ___ and the most common Rh(D)-negative phenotype is ____.

Which antigen is routinely tested for in all blood donors and recipients in most countries?

All of the following are frequently encountered Rh antibodies in the transfusion service except

The RHD gene codes for the ____ antigen.

When testing for weak D using an indirect antigblobulin test (IAT),cells that are already coated with _____ can give a false-positive reaction in the antiglobulin phase.

The absence of the D antigen occurs most commonly when the

Clonal reagent anti-D may be

When both c and e antigens are present on the red blood cell membrane and the respective genes are in the cis position or on the same chromosome,which antigen is expressed?

Which of the following is a purified concentrate of human anti-D?

Rh antibodies may develop in response to transfusion of which of the following blood products?