Locally Employed Laboratory Staff CME 2025 Quiz

There is no universally compatible ABO Fresh Whole Blood (FWB) type. FWB must be an ABO match.

• True

• False

Fill in the blank: In MASCAL situations, particularly when more than one blood type is being collected, there is an increased risk of clerical error leading to a ____ transfusion reaction.

• Life-threatening
• Temporary

• Mild

• Delayed

Aside from ABO group antigens, females of less than 50 years old must also be matched for which antigen?

• Kell

• HLA

• Rh

• Duffy

Which blood type is considered the universal donor for plasma?

• AB Pos

• A Pos

• O Neg

• B Neg

For blood type B, what ABO group antibody is present in the plasma?

• Anti-A antibodies

• Anti-A,B antibodies

• Anti-B antibodies

• Anti-O antibodies

Identify the cell in this picture.

• Monocyte

• Neutrophil

• Eosinophil

• Lymphocyte

The red cells in this film are best described as:

• MCV and RDW within reference range

• MCV low, RDW high

• MCV low, RDW within reference range

• MCV within reference range, RDW high

Which statement regarding absolute and relative WBC counts is true?

• The absolute count measures the total number of WBC per unit volume, while the relative count measures the percentage of each type of WBC.

• The absolute count measures the percentage of each type of WBC, while the relative count measures the total number of WBC per unit volume.

• Both the absolute and relative counts measure only the total number of WBC.

• Both the absolute and relative counts measure only the percentage of each type of WBC.

How do the MCV, MCH, and MCHC correlate to the appearance of a peripheral blood smear?

• They determine the size and color of RBC seen on the smear.

• They indicate the number of white blood cells present.

• They reflect platelet function.

• They measure blood glucose levels.

Which of the following is a potential consequence of platelet clumping in a blood sample?

• False increase in platelet count

• False decrease in platelet count

• Normal platelet count

• No effect on platelet count