Term
What two "pools" make up the peripheral blood granulocyte pools? |
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Definition
Circulating Pool and Marginating pool |
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Term
True or False:
Circulating and marginating pooled blood remains within the vessels for 2-5 days. |
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Definition
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Term
How many cell divisions occur within the mitotic pool? How long does this "mitotic stage" generally occur for? |
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Definition
4-5 cell divisions
3-6 days |
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Term
The mitotic pool "cells which can divide/replicate" consists of which WBC precursors? |
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Definition
Myeloblasts, promyelocytes, myelocytes |
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Term
The maturation and storage pool is also known as... This phase occurs for how many days? |
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Definition
Post-mitotic pool
5-7 days |
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Term
True or False:
The storage pool contains 15-20 times more cells than circulating blood. |
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Definition
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Term
Which WBC precursors/cells are contained within the post-mitotic pool? (i.e. which WBC precursours/cells do NOT divide) |
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Definition
Metamyelocytes, bands, PMNs |
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Term
What are the three factors which affect the quantity of peripheral neutrophils? |
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Definition
Bone marrow production and release
Rate of egress to tissue/survival time in the blood
Rate of marginating to circulating neutrophils |
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Term
Benign neutrophilia is also known as? What is this type of neutrophilia a result of? |
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Definition
Reactive neutrophilia
Extrinsic physiologic or pathologic process (cold, virus, etc.) |
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Term
True or False:
Pseudoneutrophilia is also referred to as Acute Neutrophilia |
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Definition
False
Psuedoneutrophilia is immediate neutrophilia, not acute |
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Term
Immediate neutrophilia occurs because ... |
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Definition
there is a redistribution of marginating and circulating cells |
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Term
How long after a stimulation does it take for acute neutrophilia to occur? |
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Definition
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Term
What cell is likely to show an increase during acute neutrophilia? |
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Definition
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Term
An extreme reaction to infection or necrotizing tissue is referred to as? |
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Definition
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Term
A leukemoid reaction is known as how many WBC's per microliter? |
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Definition
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Term
A leukemoid reaction resembles what form of leukemia? |
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Definition
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Term
What is a normal value range for a leukocyte alkaline phosphate (LAP) test? |
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Definition
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Term
An increased Leukocyte alkaline phosphate test indicates what type of disease process is occurring? |
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Definition
Leukemoid reaction or polycythemia vera |
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Term
A decreased leukocyte alkaline phosphate test indicated what type of disease process is occurring? |
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Definition
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Term
Acute leukemia is dominated by what type of cells? |
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Definition
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Term
What 3 clinical features are present with AML? |
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Definition
Anemia, bleeding/bruising, infections |
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Term
What type of anemia is present during AML? |
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Definition
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Term
True or False:
Auer Rods are present with AML? |
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Definition
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Term
A bone marrow differentiation which has greater than 20% blasts is considered to be which form of leukemia? |
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Definition
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Term
True or False:
Increased levels in uric acid and LDH are consistent with AML |
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Definition
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Term
The most common malignancy of childhood is? |
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Definition
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Term
True or False:
Pathophysiologically, AML occurs via increased proliferation of stem cells and a mutation. |
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Definition
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Term
What type of anemia is present with ALL? |
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Definition
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Term
What is the predominant cell present with ALL? |
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Definition
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Term
Extramedullary hematopoesis occurs during which form of leukemia? |
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Definition
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Term
True or False:
With CML the mutant stem cells can still mature |
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Definition
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Term
True or False:
CLL has the ability to transform into an acute phase which leaves a person with 1 month to live. |
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Definition
False
CML instead of CLL
6 month survival instead of 1 month |
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Term
Abdominal fullness, fever, and vague malaise is associated with which form of leukemia? |
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Definition
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Term
True or False:
With CML, platelets have the ability to be increased or decreased, but they are rarely normal. |
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Definition
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Term
Eosinophils and/or basophils are likely to be increased as a result of which form of leukemia? |
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Definition
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Term
True or False:
With CML, there is a narrow range of granulocyte precursors, mainly blasts, within the bone marrow |
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Definition
False
There is a wide range of granulocyte precursors |
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Term
Extreme hypercellularity in the bone marrow is associated with which form of leukemia? |
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Definition
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Term
Which form of leukemia uses the Philadelphia Chromosome as a definitive diagnostic measure? |
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Definition
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Term
The philadelphia chromosome occurs because of a translocation between which two chromosome? |
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Definition
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Term
Which enzyme is increased as a results of the philadelphia chromosome? Why is this advantageous (treatment-wise)? |
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Definition
Tyrosine kinase
It's advantageous because tyrosine kinase responds well to targeted cell therapy |
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Term
What is the average age for someone who is suffering from CLL? |
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Definition
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Term
Which form of leukemia resembles lymphoma but is found in the bone marrow? |
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Definition
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Term
Other than being symptom free, what is the clinical presentation of CLL? |
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Definition
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Term
An increased level in smudge cells occurs with which form of leukemia? |
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Definition
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Term
What is the predominant cell with CLL? |
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Definition
mature-appearing lymphocyte |
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Term
What are the relative platelet levels with CLL? (not a number) |
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Definition
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Term
If anemia is present with CLL, which type of anemia is it most likely to be? |
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Definition
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Term
True or False:
When collecting a bone marrow sample, it is okay to just collect an aspiration sample. |
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Definition
False
You typically do an aspiration and biopsy |
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Term
If just looking at a slide MACROSCOPICALLY, how can you differentiate between a bone marrow slide and a peripheral blood slide? |
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Definition
By the presence of spicules on the bone marrow slide |
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Term
A normal adult has what percentage of cellularity within their bone marrow? |
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Definition
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Term
True or False:
A plasma cell is a T-lymphocyte that has reached it's final stage in preparation for immunoglobulin production |
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Definition
False
Everything is true except plasma cells are B-lymphocytes, not T-lymphocytes |
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Term
What is endomytosis and which cells experience this? |
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Definition
Doubling of DNA content w/o cell division
Seen in megakaryocytes |
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Term
What causes the blueness to appear in the cytoplasm of RBC precursor cells? |
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Definition
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Term
What is the last RBC precursor which can divide? |
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Definition
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Term
The first RBC precursor which you can tell is making hemoglobin is... |
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Definition
polychromatic normoblast
because in previous cells, rna is dominant over the hemoglobin |
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Term
True or False:
Primary granules are non-specific |
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Definition
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Term
True or False:
A metamyelocyte is a mitotic cell |
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Definition
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Term
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Definition
Other cells can pass through a cells cytoplasm, seen in megakaryocytes |
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Term
The rate of egress refers to... |
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Definition
How quickly a cell can move into the tissue |
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Term
Which objective would you estimate the number of megakaryocytes present? |
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Definition
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Term
Which objective would you observe megakaryocyte morphology? |
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Definition
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Term
Which objective would you estimate the myeloid to erytheroid ratio? |
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Definition
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Term
Which objective would you obtain the actual myeloid to erytheroid ratio? |
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Definition
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Term
Which objective would you estimate cellularity under? |
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Definition
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Term
Lymphocytes are observed under which objective? |
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Definition
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