1. Anemias and WBC Disorders Flashcards
Formula for the corrected reticulocyte count (CRC) is _________.
(% observed reticulocyte)(patient hct) / 45
Formula for the reticulocute production index (RPI) is _________.
CRC * (1/CF)
An RPI of < ___ indicates failure of the bone marrow to produce red blood cells.
2
________ must be specifically stained for their RNA in order to actually see them on a blood smear.
Reticulocytes
The _______ ________ _____ count is the laboratory test that is done to determine bone marrow production.
Corrected reticulocyte count
_____ cells are usually an artifact on a blood smear.
Burr
_______ ______ are multiple blue dots seen in a red blood cell and they are associated with lead poisoning.
Basophilic stippling
Basophilic stippling are multiple blue dots seen in a red blood cell and they are associated with _______ ________.
Lead poisoning
_____ ____ in a red blood cell is associated with a post-splenectomy.
Cabot’s ring
Cabot’s ring in a red blood cell is associated with a ___________.
Post-splenectomy
______ bodies are associated with paraproteinemias due to neoplastic change in white blood cells.
Rouleaux
Acanthocytes or _____ cells are associated with liver disease.
Spur
_________ is a red blood cell morphology associated with liver disease.
Acanthocytes
_______ disease is most associated with the acanthocyte (spur) red blood cell morphology.
Liver
A smooth tongue is a physical sign seen in ______ _____ ______ anemia.
Severe Fe deficiency
The _______ _____ reflex is diminished in patients with hypothyroidism.
Achilles tendon
Free erythrocyte _______ is a good way to distinguish between Fe deficiency and thalassemia minor.
Protoporphyrin
Free erythrocyte protoporphyrin is a good way to distinguish between Fe deficiency and ________ ______.`
Thalassemia minor
In anemia of chronic disease, the bone marrow storage iron is (increased/decreased?).
Increased
Fe is being made and there’s just an interference in it being absorbed so it’s building up in the bone marrow.
Microcytosis and a High RDW is a characterisitic pattern of ______ _______.
Fe deficiency
_______ and a High RDW is a characteristic pattern of Fe deficiency.
Microcytosis
Normocytosis and a normal RDW is a characteristic pattern of _____________.
Anemia of chronic disease
Normocytosis and a _______ RDW is a characteristic pattern of anemia of chronic disease.
Normal
Microcytosis and a normal RDW is characteristic of __________.
Thalassemia
Microcytosis and a _______ RDW is characteristic of thalassemia.
Normal
Aplastic anemia presents with a ______ and a normal RDW.
Macrocytosis
______ anemia presents with a macrocytosis and a normal RDW.
Aplastic
Hemolysis or RBC breakdown requires a sweep of studies and laboratory tests including haptoglobin, ______, and LDH.
Bilirubin
Hemolysis or RBC breakdown requires a sweep of studies and laboratory tests including haptoglobin, bilirubin, and _____.
LDH
_______ ______ _____ is a value that is high in Fe deficiency because tissues are looking for it to take it in.
Soluble transferrin receptors
On hemoglobin electrophoresis for Sickle cell disease, Hgb __ will not be present.
A
On hemoglobin electrophoresis for _____ ____ disease, HgbA will not be present.
Sickle cell
_____ _____ and SLE are two chronic inflammatory diseases associated with anemia of chronic disease.
Rheumatoid arthritis
Rheumatoid arthritis and ____ are two chronic inflammatory diseases associated with anemia of chronic disease.
SLE
Rheumatoid arthritis and SLE are two chronic inflammatory diseases associated with ______ _____ ______.
Anemia of Chronic Disease
A positive ______ test is a diagnosis of autoimmune hemolytic anemia.
Coomb’s
A positive Coomb’s test is a diagnosis of _____ ______ anemia.
Autoimmune hemolytic
Macrocytic anemia without a proper upregulation of the ________ response means that ancillary tests should be ordered.
reticulocyte
(do a thyroid function test, cytogenetic analysis w/ Fe stores analysis)
(drug test, malabsorption studies, Schilling test)
When an anemia is both normocytic and normochromic and there is no reticulocyte response, you should suspect _______.
malignancy
An ______ _______ test should be done when spherocytes are seen on a blood smear.
osmotic fragility
An osmotic fragility test should be done when ________are seen on a blood smear.
spherocytes
Hemoglobin H disease can be stained for with _____ ______ _____` stain which represents unstable Hgb.
brilliant cresyl blue
________ ___ disease can be stained for with brilliant cresyl blue stain which represents unstable Hgb.
Hemoglobin H
_________ disease is mental retardation with an accompanying anemia.
Fanconi’s
The presence of _____ cells and rouleaux cells indicate that you should examine the bone marrow.
teardrop
The presence of teardrop cells and _______ cells indicate that you should examine the bone marrow.
rouleaux
A decrease in serum ______ is the earliest indication of iron deficiency when inflammation is absent.
ferritin
_________ is an Fe overload diasease wherein serum Fe is incredibly high.
Hemocromatosis
Hemocromatosis is an Fe overload diasease wherein serum _____ is incredibly high.
Fe
What are the normal blood cell counts for red blood cells, hemoglobin, and hematocrit, in that order?
5-15-45
[…] is the average amount of hemoglobin in a given red blood cell.
Mean cell hemoglobin (MCH)
[…] is the average amount of hemoglobin in a given volume of blood.
Mean corpuscular hemoglobin concentration (MCHC)
An MCHC < […] is indicative of a hypochromic condition.
32
An MCHC < 32 is indicative of a […] condition.
hypochromic
The formula for MCV is […].
10(Hct/RBC)
The normal range for the […] is 10.2 - 14.5 %.
RDW
The normal range for the RDW is […] %.
10.2 - 14.5
[…] anemia has characteristic oval-shaped cells.
Megaloblastic
Megaloblastic anemia has characteristic […]-shaped cells.
oval
[…] anemia has characterisitic round-shaped cells.
Non-megaloblastic
Non-megaloblastic anemia has characterisitic […]-shaped cells.
round
An […] reticulocyte count means that the bone marrow is producing a lot of blood cells so hemolysis is happening and it’s important to know if it is intravascular or extravascular.
elevated
An elevated reticulocyte count means that the bone marrow is producing a lot of blood cells so hemolysis is happening and it’s important to know if it is […] or […].
intravascular, extravascular
Paroxysmal noctural hemoglobinuria is a differential for […] hemolysis in a normocytic anemia.
intrinsic
Paroxysmal noctural hemoglobinuria is a differential for intrinsic hemolysis in a […] anemia.
normocytic
A chronic blood loss of >[…] week is indicative of an extravascular hemolysis.
1
A chronic blood loss of >1 week is indicative of an […] hemolysis.
extravascular
Malaria is a cause of […] hemolysis in normocytic anemia.
extravascular
The major symptom in […] hemolysis is hemoglobinuria.
intravascular
The major symptom in intravascular hemolysis is […].
hemoglobinuria
Aside from Fe deficiency, […] anemia can also be caused by defects in hemoglobin synthesis known as thalassemia.
microcytic
Aside from Fe deficiency, microcytic anemia can also be caused by defects in hemoglobin synthesis known as […].
thalassemia
Serum levels of Fe are proportional to storage Fe in the bone marrow at a value of […].
1:8
Excess Fe storage in the bone marrow is a cause of […] anemia.
sideroblastic
A bone marrow biopsy is not helpful in diagnosing […] because it is a peripheral smear diagnosis.
chronic lymphocytic leukemia (CLL)
A […] is not helpful in diagnosing chronic lymphocytic leukemia (CLL) because it is a peripheral smear diagnosis.
bone marrow biopsy
Bone marrow biopsies are not helpful in diagnosing hemolytic anemias without evidence of […] or […].
leukemia or lymphoma
[…] are not helpful in diagnosing hemolytic anemias without evidence of leukemia or lymphoma.
Bone marrow biopsies
Bone marrow biopsies can be used to evaluate bone metastasis in certain malignancies such as […].
oat cell carcinomas
Bone marrow biopsies can be used to evaluate bone […] in certain malignancies such as oat cell carcinomas.
metastasis
[…] or unexplained cytopenia are indications for a bone marrow biopsy.
FUO
FUO or unexplained […] are indications for a bone marrow biopsy.
cytopenia
The […] is the preferred site for a bone biopsy.
PSIS
The normal value for the M/E ratio is […].
3:1
An […] M/E ratio is indicative of either CML, and infection, or erythroid hypoplasia.
elevated
An elevated M/E ratio is indicative of either […], an infection, or erythroid hypoplasia.
CML
An elevated M/E ratio is indicative of either CML, an […], or erythroid hypoplasia.
infection
In a bone marrow biopsy, most hematopoietic elements can be found near the […] save for the lymphoid aggregates.
bony spicules
In a bone marrow biopsy, most hematopoietic elements can be found near the bony spicules save for the […].
lymphoid aggregates
[…] are the 30-40% of normoblasts that contain ferritin granules.
Sideroblasts
Sideroblasts are the […]% of normoblasts that contain ferritin granules.
30-40
More than […] ferritin granules in a sideroblast is indicative of a malignancy.
1-2
[…] hypertension is one of the non-specific symptoms associated with anemia.
Postural
Postural hypertension is one of the non-specific symptoms associated with […].
anemia
Anemia presents with a […]-shift in the oxygen dissociation curve leading to increased 2,3-DPG.
right
Anemia presents with a right-shift in the oxygen dissociation curve leading to [increased/decreased] 2,3-DPG.
increased