WorksheetsComplete Blood Count
Total questions: 43
Worksheet time: 22mins
Which of the following is included in a Complete Blood Count (CBC)?
Total RBC count
Blood glucose level
Liver enzyme concentration
Urine protein concentration
CBC includes measurement of ________ concentration.
Plasma protein
Glucose
Cholesterol
Electrolyte
Which of the following is NOT included in a Complete Blood Count (CBC)?
Total WBC count
Blood smear examination
Reticulocyte count if anemic
Blood pressure measurement
CBC includes ________ count if anemic.
Reticulocyte
Platelet
Neutrophil
Eosinophil
Which examination in CBC includes differential WBC count, RBC and leukocyte morphology?
Blood smear examination
Urine analysis
Liver function test
Platelet count
CBC includes measurement of ________ concentration.
Hemoglobin
Glucose
Cholesterol
Calcium
Which indices are included in a Complete Blood Count (CBC)?
Erythrocyte indices
Platelet indices
Kidney indices
Liver indices
CBC includes measurement of ________.
PCV
Blood glucose
Serum creatinine
Urine ketones
What does Packed Cell Volume (PCV) represent?
Percentage of whole blood composed of RBCs
Percentage of plasma in blood
Number of white blood cells
Volume of platelets in blood
Packed Cell Volume (PCV) is also called ________.
hematocrit
leukocyte count
serum albumin
plasma volume
Which of the following statements is true about microhematocrit tubes?
Red ring tubes are not treated
Blue ring tubes are heparinized
Red ring tubes are heparinized
Both tubes are heparinized
Which layer in a microhematocrit tube has the highest specific gravity?
Plasma
Buffy coat
RBC (Red blood cells)
Platelets
What is the color of the RBC layer in a microhematocrit tube after centrifugation?
Dark-red
Yellow
Pale pink
Colorless
The buffy coat in a microhematocrit tube consists of ______ and ______.
WBCs and platelets
RBCs and plasma
Plasma and hemoglobin
RBCs and hemoglobin
Which layer is found at the top of a microhematocrit tube after centrifugation?
RBC
Buffy coat
Plasma
Platelets
True or False: The buffy coat is a whitish-gray layer above the RBC layer in a microhematocrit tube after centrifugation.
True
False
The height of the buffy coat in a microhematocrit tube is a rough estimate of the total ______ count.
WBC
RBC
Platelet
Hemoglobin
In the context of Packed Cell Volume (PCV), what does a normal plasma layer look like?
Clear to pale yellow
Cloudy and red-tinged
Milky white
Dark brown
In the context of Packed Cell Volume (PCV), what does a cloudy plasma layer indicate?
Lipemic
Hemolytic
Icteric
Normal
In the context of Packed Cell Volume (PCV), what does a reddish tinge in the plasma layer indicate?
Hemolyzed
Lipemic
Icteric
Clotted
In the context of Packed Cell Volume (PCV), what does a deep yellow plasma layer indicate?
Icteric
Lipemic
Hemolytic
Normal
What does a below normal Packed Cell Volume (PCV) indicate?
Anemia or inadequate volume of blood to anticoagulant ratio
Polycythemia or increased red blood cell count
Dehydration or fluid loss
Leukocytosis or increased white blood cell count
What is the most common reason for an above normal Packed Cell Volume (PCV)?
Dehydrated (most common)
Anemia
Overhydration
Chronic infection
Which of the following is a possible cause for below normal PCV?
Polycythemia
Anemia
Dehydration
All of the above
Above normal PCV can be caused by:
Dehydration
Polycythemia
Both A and B
None of the above
What does the label 'about 18%' represent?
The hematocrit value (percentage of red blood cells in blood)
The percentage of plasma in blood
The percentage of white blood cells in blood
The percentage of platelets in blood
What is the approximate hematocrit value shown in the diagram?
about 18%
about 45%
about 60%
about 32%
Plasma protein concentration is measured using plasma from the ________ tube.
hematocrit
EDTA
citrate
heparin
Which instrument is used to measure plasma protein concentration?
Spectrophotometer
Refractometer
Centrifuge
Microscope
Plasma protein concentration is measured in which unit?
g/dL
mg/L
mmol/L
IU/mL
Lipemic samples can cause a false increase in the total protein reading.
True
False
What is the functional unit of the RBC?
Hemoglobin
Mitochondria
Nucleus
Chlorophyll
The heme portion of hemoglobin contains which element?
iron
calcium
potassium
zinc
The globin portion of hemoglobin is made up of ________.
amino acids
fatty acids
nucleic acids
monosaccharides
Hemoglobin synthesis occurs during the maturation of which cells?
RBCs
WBCs
Platelets
Neurons
Which form of hemoglobin is bound to O2 and replaces CO2 in respiration?
Oxyhemoglobin
Methemoglobin
Sulfhemoglobin
Carboxyhemoglobin
Methemoglobin occurs naturally in plasma and RBCs and can be converted to Hb to carry O2.
True
False
Which form of hemoglobin results from cell aging?
Sulfhemoglobin
Carboxyhemoglobin
Oxyhemoglobin
Methemoglobin
Carboxyhemoglobin is formed from exposure to which gas?
carbon monoxide
carbon dioxide
sulfur dioxide
nitrogen dioxide
Erythrocyte indices help classify _______.
anemia
leukemia
thrombosis
hemophilia
Erythrocyte indices provide an objective measure of the size of RBC's and average _______ concentration.
hemoglobin
glucose
calcium
cholesterol
The accuracy of erythrocyte indices is dependent upon which of the following?
Total RBC count
PCV
Hemoglobin concentration
All of the above
Erythrocyte indices values should be compared to _______ features.
morphologic
genetic
chemical
immunologic
