SLCC Pathophysiology Unit 3 Questions
and Correct Answers the Latest Update
and Recommended Version
CBC of RBCs
✓ 3.6-5.4
CBC of Hemoglobin
✓ 12-16.5
CBC of Hematocrit
✓ 37-50%
CBC of WBCs
✓ 5000-10000
CBC of Neutrophils
Must order "with differential"
✓ 47-63%
CBC of Lymphocytes
Must order "with differential"
✓ 24-40%
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CBC of Platelets
✓ 150000-400000
The three blood cells that stem cells differentiate into
✓ RBC, WBC, Platelet
The single purpose of hemoglobin on erythrocytes is to bind _____ molecules in the lung and
delivery them to the body.
✓ O2
When there are not enough red blood cells, tissue develops _____________, which produces
several universal signs and symptoms
✓ Hypoxia
is a count of the actual number of red blood cells in a specified sample size of blood. Normal
Value: 3.6 - 5.4
✓ RBCs
One of the 4 tests commonly used to evaluate the size and color of erythrocytes -
% of erythrocytes in whole blood. . Normal Value: 37 - 50 %
✓ Hematocrit (Hct)
Total volume of erythrocytes compared to total volume of blood in tube
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✓ Hematocrit (Hct)
a low Hct means patient is?
✓ losing blood either internally or externally
True or False
Hematocrit Can be Affected by the person's fluid status
✓ True
High Hct caused by?
✓ dehydration
Low Hct caused by?
✓ Fluid overload
What happens when Hct is critically low <15% ?
✓ Heart failure
What happens when Hct is critically high >60% ?
✓ Blood clotting problems
One of the 4 tests commonly used to evaluate the size and color of erythrocytes -
Binds O2 for transport. Normal Value: 12 - 16.5
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✓ Hemoglobin (Hgb)
Takes up to 1/3 the surface space of an erythrocyte
✓ Hemoglobin (Hgb)
Part of the RBC that is measured in grams
✓ Hemoglobin (Hgb)
Immature RBCs "baby RBC" - If elevated this indicates that mature RBCs are depleted for
some reason.
✓ Reticulocyte count
Over 400 types of - divided into 3 groups 1) caused by blood loss. 2) caused by decreased
or faulty RBC production. 3) caused by destruction of red blood cells
✓ Anemia
The only way to deliver O2 to tissues is for ______________ (found in RBCs) to bind to red
blood cells and go through gas exchange in the lungs.
✓ hemoglobin
When there are not enough red blood cells, tissues develop?
✓ Hypoxia
When _____________ formation is defective, the ________________ molecule may not be
able to bind O2 or even survive. This results in various forms of anemia.
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