Chapter 5: Rh, RHAG, and LW Blood Group Systems

Which gene codes for the D antigen?

• RHAG

• LW

• RHCE

• RHD

How is the Weiner Rh Phenotype of R2 written in Fisher Race Terminology

• dce

• DCE

• DCe

• DcE

The most common Rh phenotype is

• R1r

• R1R2

• rr

• R0r'

How would the following cell be written in Rosenfield terminology?

D+ C- c+ E+ e-

• Rh: 1, -2, 3, 4, -5

• Rh: -1, 2, -3, -4, 5

• Rh: 1, 2, -3, 4, 5

• Rh: 1, -2, -3, 4, -5

Which of the following are mechanisms that can cause the D antigen to be weakly expressed?

• C in trans position to D

• Weak D

• Partial D

• All of the above

Partial D individuals should be considered Rh ____ when they are receiving blood.

• Positive

• Negative

The E/e antigens are caused by a single amino acid difference at position

• 103

• 215

• 226

• 302

What antigen is present when c and e are present in the cis position on the same chromosome

• G

• Cw

• f

• Ce

Rh antibodies are usually of the ____ class of antibodies.

• IgG

• IgA

• IgM

• IgE

Which of the following types of cells are seen in someone experiencing Rh null syndrome?

• Drepanocytes

• Stomatocytes

• Spherocytes

• Codocytes