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Vis Dis 2nd - PCC
Vis Dis 2nd exam
| Question | Answer |
|---|---|
| The study of blood and its formed element | hematology |
| Protein found in blood | hemoglobin |
| Erythrocytes, granulocytes and platelets are produced where? | Bone marrow |
| Where are lymphocytes producded? (3) | Secondary lymphoid organs: spleen, lymph nodes. Also in the bone marrow and thymus |
| What is in a CBC | Hemoglobin, hematocrit, RBC indices, WBC, platelets |
| Number of RBC is below normal range? | Anemia |
| Number of RBC is above normal range | Polycythemia |
| Decreased hemoglobin means decrease what in the tissue? | oxygen |
| What is hematocrit? | Percentage of total blood volume made up of RBCs |
| What are the blood indices? | MCV (size) , MCH (Hgb weight) and MCHC ( concentration of Hgb) |
| What are the diffrence cell sizes? | Normocytic, microcytic, macrocytic |
| What are the diffrence concentration of Hgb? | Normochromic, hypochromic, hyperchromic |
| What is MCH? | Mean corpuscular hemoglobin... weight. Indicates the color. |
| What does MCHC indicate? | Color |
| Anemia indicates what? | A decreased ability of oxygen carrying capacity |
| What is anemia usually due to? (3) | 1. Decreased production 2. increased breakdown 3. blood loss |
| Most common type of anemia | Iron deficient... microcytic hypochromic |
| Low MCV and low MCH = ? | Microcytic hypochromic |
| Normal MCV and MCH? | Normocytic normochromic |
| High MCV and normal MCH | Macrocytic normocytic |
| What are the types of microcytic hypochromic anemias? | 1. IDA (MC) 2. ACD 3. Thalacemia 4. CBL... really an IDA |
| What are the types of macrocytic normochromic anemias? | 1. B12 deficiency 2. Folic acid deficiency 3. Alcholism 4. Liver disease |
| What are the types of normocytic normochromic anemias? | 1. ACD!! 2. Acute blood loss 3. Hemolytic anemia (sickle cell) 4. Aplastic anemia |
| Iron is transported by what? | Transferin |
| Anemia of blood loss: Most common cause in the whole world | Occult bleeding from GI tract |
| Acute blood loss results in what type of anemia? | Normocytic normochromic |
| Chronic blood loss results in what type of anemia? | Microcytic hypochromic |
| What is the MC type of anemia? | IDA |
| Is a dietary deficiency of iron common? | Heck no |
| IDA: ____ iron, ____ ferritin, _____ TIBC | 1. decereased 2. decreased 3. increased |
| Microcytic hypochromic anemia as ____ TIBC | Elevated |
| What type of cells would you find in MHA? | Anisocytosis, poikilocytosis, target cells and microcytes |
| ACD has what type of TIBC? | Low |
| Thalacemia has what type of TIBC? | Normal |
| ACD has ___ serum iron, ___ TIBC and _____ ferritin | 1.Low 2. Low 3. Normal to increased |
| ACD can be what type of anemia? | Microcytic hypochromic or Normocytic normochromic |
| What are the 2 types of thalacemia and where are they located? | 1. Alpha: china and south east Asia 2. Beta: Medeiterrian |
| Talacimia major aka what? | Cooley's anemia |
| In thalacemia, ____ are normal but ____ are decreased | 1. Iron parameters 2. Hgb, Hct, MCV and MCH |
| Typical radiographic finding with thalacemia. What other disease can u find it with? | 1. Hair on end 2. Sickle cell |
| Which macrocytic normochormic anemias are megaloblastic? | B12 deficiency and folic acid deficiency. |
| Macrocytic normochromic anemia has __ MCV | Increased |
| What type of anemia enlarges the bone marrow? | Megaloblastic |
| What is the most common cause of B12 deficiency? | Lack of intrinsic factor |
| Second most common cause of B12 deficiency? | Lack of gastric acid |
| Symptoms of B12 deficiency | Lemon yellow skin, premature graying, weakness, sore tongue, GI symptoms, LOSS OF VIBRATORY SENSATION, neuropsychiatric disorders |
| B12 deficiency caused by gastric mucosa failure to secrete IF | Pernicious anemia |
| What type of anemia is pernicious anemia? | Macrocytic normochormic |
| Megaloblastic anemia: ____ and ___ RBCs, ___ hemoglobin, ___ MCH, ___ MCH, ___ iron, ___ ferritin, ____ B12 or Folate | 1. Abnormally large and decreased 2. Decreased 3. Increased 4. Increased 5. Increased 6. increased 7. Decreased |
| Most dangerous type of Normocytic normochromic anemia | Aplastic anemia |
| Aplastic anemia: all cell line are ___ | Decreased |
| What is diffrent about aplastic anemia? | An increase of RBC production is not seen |
| Anemia that is due to increased RBC and destruction of RBCs | Hemolytic anemia |
| Things to associate with hemolytic anemia aka sickle cell | Lincon log, H-shaped, reynold's phenomenon... AVNs! |
| When does sickling occur? | At times of lowered oxygen tension... exercise |
| What's up with the bone marrow in hemolytic anemia? | Severe hyperplasia which results in expansion and thinning of the cortex |
| What else is associated with sickel cell? | Hand and feet swelling, abdominal crisis, small vessel infarcts, spleen enlargement |
| What type of anemia is sickle cell? | Normocytic normochromic |
| Most common type of hemoglobinopathy in the US? | Sickle cell |
| What is polycythemia? | Increased everything |
| 3 types of polycythemia | 1. polycythemia vera 2. absolute polycythemia 3. relative polycythemia |
| Symptoms of polycythemia | Red face, high BP, low exercise tolerance, joint pain, splenomegaly |
| Who gets polycythemia rubra vera? | 40-60 year olds |
| ___ MCH and ___ MCV in polycythemia rubra vera | Normal and normal |
| What's up with the blood in polycythemia rubra vera? | Thick and clogs up the blood vessels |
| What is secondary polycythemia (absolute) | Physiologic response to the need for more RBC production due to an increased need for oxygen, pulmonary disorder or increase in erythropoitin. |
| With secondary polycythemia the patients may be what? | Cyanotic with heart or lung disease |
| Secondary polycythemia: ___ RBC, ___ Hgb, ___ Hct, ___ MCV, ___ MCH | Increased RBC, Hgb and Hct Normal MCV and MCH |
| What is the big diffrence between polycythemia rubra vera and secondary polycythemia? | No spleen enlargement in secondary |
| What happens in relative polycythemia? | Decrease in plasma volume and the RBC mass remains unchanged |
| Relative polycythemia is MC due to what? | Dehydration |
| Relative polycythemia: ___ RBC, Hgb and Hct | Increased |
| A measure of the rate with which the RBCs settle in saline or plasma over a specific time period | ESR |
| Is ESR sensitive or specific? | Sensitive: cannot diagnos a particular problem |
| What can ESR be helpfull in? | Determin the progress of a disease |
| Stacking of RBCs | Rouleau formation |
| Is ESR part of the CBC? | Nope |
| ESR parallels what? | C reactive protein |
| What is c-reactive protein? | Non-specific acute phase reactant used to diagnose BACTERIAL infections and INFLAMMATORY disorders |
| C-RP is a more ____ and ___ indicator that ESR. | Sensitive and rapidly |
| C-RP ___ sooner and ____ than ESR | Increases sooner and returns to normal faster |
| What is an anisocyte? | Cells that vary in size and frequently found in hemolytic anemia |
| What is polychromasia? | Increased number of reticulocytes seen in folate and B12 deficiency as well as in polycythemia |
| What are ovalocytes found in? | IDA and megaloblastic anemias |
| What cell is characteristic of thalacemia? | Tear drop |
| Target cells are found in what? | Thalacemia, sickle cell and chronic liver |
| Abnormal variations in the shape seen in the anemias and leukemias | Poikilocytes |
| Basophilic stippling is found in what? | Lead poisoning |
| Granulocytes (3) | Neutrophils, Eosinophils, Basophils |
| Agranulocytes (2) | Lymphocyte, Monocyte |
| Process by which WBCs differenciate and proliferate | Leukopoiesis |
| Where do lymphocytes develope? | Bone marrow and thymus |
| bands, unless otherwise stated belong to what group? | Basophils |
| Essential for phagocytic action | Neutrophils |
| Functions in allergy, drug and PARASITES | Eosinophils |
| Immediate hypersensitive reactions | Basophils |
| Combats pyogenic infections | Neutrophils |
| Fights allergies AND parasites | Eosinophils |
| Fights parasites | Basophils |
| Fights viral infections | Lymphocytes |
| Helps neutrophils | Monocytes |
| Leukopenia is when you have ___ WBCs | Less than 5000 |
| Elevation in lymphocytes means ___ | Viral |
| Elevation in neutrophils means ___ | Bacterial |
| A bacterial infection will have how many WBCs? | 10-18000 |
| White blood cells.. most to least in a 100 cell count | Neutrophils, Lymphocytes, Monocytes, Eosinophils, Basophils, Bands |
| Antibiotic treatement will do what to WBCs? | Lower them |
| What is a leukemoid reaction? | WBC reaction to a bacterial infection or stress... usually less than 50 000 |
| Leukemoid reactions can mimic what? | Chronic lymphocytic leukemia |
| How many WBCs in leukemia | Usually more that 50 000 |
| What is the whole shift deal with WBCs? | Shift to the right = more mature cells... shift to the left = more immature cells |
| Shift to the left aka what? | Shilling shift |
| What is the stem cell theory? | All cells arise from stem cells; if one cell type increases, others decrease. |
| What are blasts? Pros? Myelos? Metas? | Meloblast, promelocyte, myelocyte, metamyelocyte... all found in BONE MARROW |
| What are L-Blasts, L-Pros? | Lymphoblasts, prolymphocyte |
| What are mo-blasts, mo-pros? | Monoblasts, promonocytes |
| First lune of defence is phagocytosis | Neutrophils aka segs |
| Neutrophils: viral or bacteria? | BACTERIA!!!!!!!!!!!!! |
| Neutrophilia can be found when? | Bacterial infections, inflammation, tissue destruction, severe exercise, stress and hypoxia, myelogenous leukemia, myelocytic leukemoid reactions |
| Neutropenia can be found when? | Overwhelming bacterial infections and viral infections |
| Are seen with infections, burns, malignancy and chemicals poisoning | Neutrophils with toxic granules |
| Are seen with septicemia, severe infection and toxic states | Neutrophils with toxic vacuoles |
| Are seen with megaloblastic anemias | Hypersegmented neutrophils |
| Increase in bands is a shift to the ___ | Left |
| Lymphocytes do what? | Antigen recognition and immune response... produce antibodies |
| Final maturation of B-lymphocytes | Plasma cells |
| Increase in lymphocytes | Lymphophilia |
| What is an inverted ratio? | More lymphocytes than neutrophils |
| When is it "normal" to have an inverted ratio? | 1: viral infection 2: leukemia 3: kids under the age of nine |
| When can we expect lymphopenia? | Aids, Hodgkins, Bacterial infections |
| Normal WBC with an increase percentage of lymphocytes due to viral infection | Relative lymphocytosis |
| Elevated WBCs with an increase in lymphocytes count due to a virus | Absolute lymphocytosis (10-18000) |
| T lymphocyte in a state of immune activation | Atypical lymphocytes |
| Mono, infection due to | Epstein-Barr virus |
| How to WBCs behave with mono | Early infection: WBCs are reduced like a virus then leukocytes are increased and most are lymphocytes |
| How do you test for mono? | Serologic testing: monospot |
| Lymphocytopenia aka | AIDS |
| AIDS is marked by a decrease in | T helper cells |
| Increased monocytes can be seen in: | Recovery from an acute infection (MC), monocytic leukemia, Hodgkins, TB, moncytic leukemoid reaction |
| Monocytes are present in the recovery phase of ____ and is a ___ sign | Infection, favorable |
| Unregulated accumulation of immature cells in the marrow and lymph tissue | Leukemia... typically more than 50 000 |
| What type of leukemia do you have if there are blasts and pros in the blood? | Acute |
| No blasts and pros in the blood? | Chronic leukemia |
| AML demonstrates proliferation os ___ and ____ | Myeoloblasts and promyelocytes |
| ALL demonstrates a proliferation of ___ and ___ | Lymphoblasts and prolymphocytes |
| Acute or chronic leukemia has more differenciated cells? | Chronic |
| CML has what type of cells? (4) | Myelocytes, metamyelocytes, neutrophils and bands |
| CLL has what type of cells? | Small mature lymphocytes |
| Leukemia can be classified as ___ or ____ | Lymphocytic and non lymphocytic |
| Non lymphocytic can be classified as ___, ____, ___ or ___ | Neutrophilic (myeolcytic), eosinophilic, basophilic and monocytic |
| AML is most common in ____ years | Mid to later |
| With AML you assume ___ unless otherwise specified | Neutrophils |
| ALL is characterized by a large number of which cells? | Lymphoblasts and prolymphocytes |
| 95% of patients with ALL are what age? | less that 20 |
| CML is most often in wwhat age group? 20% are ___. ___ get in more often than ___ | 1. Middle age (30-50) 2. assymptomatic 3. Males more than females |
| Signs and symptoms of CML | Adbominal discomfort, weight loss, anemia (ACD) |
| CML has a ____ onset with ____ | Gradual onset with hepatomegaly |
| CML can be identified by ___ | Philidelphia chromosome |
| Those with Ph1' have a ___ prognosis | Better |
| CML has a ___ prognosis than CLL | Worse |
| ___ results from proliferation of long lived non functional lymphocytes | CLL |
| Most CLL patients are diagnosed via what? | Routine peripheral blood studies |
| Age of CLL patients | Over 50 |
| Labs results for CLL | High white count: lymphocytosis, anemia, thrombocytopenis and granulocytopenia |
| Ages from the leukemias | ALL = less than 20 CML = 30-50 AML = mid to later life (20-50) CLL = more than 50 M more than F |
| Lymphocyte is the predominate cell | CLL |
| Lymphocytic leukemoid reaction is characterized by what? | Lymphocytosis |
| Lymphoma: stage one | one set of lymph nodes |
| Lymphom: stage 2 | More than one stie but only on one side of the diaphragm |
| Lymphoma: stage 3 | Lymph tissue or spleen on both sides of the diaphragm |
| Lymphoma: stage 4 | other organ involvement...bone marrow and liver |
| Hallmark of Hodgkin's lymphoma | Reed Sternberg cells |
| Hodgkin's signs and symptoms | Painless enlarged lymph nodes, neutrophilia, monocytosis |