Introduction to Hematology

The average size of a normal red blood cell is

• 6-8 um
• 6-8 mm
• 6-8 nm
• 6-8 dm

The acronym for the correct order of wbc's from greatest number to least in a normal adult differential is

• N,L,M,E,B
• N,L,M,B,E
• B,E,M,L,N
• N,M,L,E,B

Identify the cell pictured with the arrow

• Metamyelocyte
• Band
• Mature Neutrophil
• Monocyte

Which Hct/Hgb combination does NOT match

• 12 g/dl,36 %
• 14 g/dl, 42%
• 15 g/dl, 45%
• 18 g/dl, 36%

The most stable CBC parameter is

• Hgb
• Hct
• MCV
• MCH

The significance of bands is related to

• presence of viral infections
• presence of bacterial infections
• presence of parasiticinfection
• all of the above

This cell is associated with IgE

• Band
• Monocyte
• Eosinophil
• Basophil

The term anisocytosis refers to

• changes in shape
• changes in size
• changes in number
• Changes in color

Poikilocytosis refers to

• changes in size
• changes in shape
• changes in number
• changes in color

Another name for hematocrit is

• packed cell volume
• mean  corpuscular hemoglobin
• mean cell volume
• Erythrocyte sedimentation rate