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84 Cards in this Set
- Front
- Back
What is the definition of fecal occult blood?
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The presence of hidden or unseen blood
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What is PPE?
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Personal Protective Equipment
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What color is the blood from a lower GI tract Bleed?
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Bright red blood
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What color is the blood from an upper GI bleed?
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Dark red or mohagany
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What are the 2 logs when overboard discharge of Medical waste
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Deck log and Medical journal and labled Date, time, location, and number of bags
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Storage of infectious waste should be limited to How many days?
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7 Days
Storage rooms must be marked with BIOHAZARD and AUTHORIZED PERSONNEL ONLY. |
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How should you educate the pt who has to collect guiac at home?
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Instruct pt to have a meat free diet for 3 days before test and intake should be a high fiber diet for good bowel movement such as corn, lettuce, and bran
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What is another name for Capillary puncture?
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Microsampling
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How many days should the guiac be conducted?
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3 separate days
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Who may give authorization for overboard discharge of medical waste?
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Only the CO
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What method is used to collect stools for guiac testing?
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Use aliquot from the center of the stool sample
apply a thin smear from 2 separate areas of the specimen |
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Which tubes contain the anticoagulant Heparin?
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Green TOP
Special plasma studies |
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How many times must the test be repeated to be valid?
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3-6 times
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What tubes contain EDTA coagulant?
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Purple top
CBC Differential WBC |
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What drugs can give a false positive results for Guiac?
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Colchicine
Oxidizing Agents Boric acid Bromides Iodine Inorganic iron |
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Which tube is used in coagulation studies?
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Blue top
PT PTT Chelating agent that binds calcium |
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Which anticoagulant is of limited use because its salts affect some test results?
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Heparin
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What is the max amount of time a sample can be held without testing?
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6 days at most then discard
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When performing a capillary pucture what should you do with 1st drop of blood?
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Wipe away due to tissue dilution with alcohol
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What percent of guiac testing shows a false positive?
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10 %
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What is the choice of anticoagulant to prevent cellular destruction?
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EDTA
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Which tube is used for glucose studies and ETOH studies, that prohibits glycolosis?
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Grey tube Sodium Flouride
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Which addatives provide physical barrier that separates
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Serum Separater tube (SST)
Tiger top, HIV |
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What is the normal value of WBC?
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4,500-11,000/ cubic millimeter
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What other conditions will show positive for HCG?
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Hydatidiform (cyst like moles)
Trophoblastic tumors Beginning menopause |
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When do you dispose of Sharps containers?
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after 90 days
When 3/4 full or if Foul odor is present |
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How does the blood fill the pipette?
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capillary action
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What is criteria for overboard discharge?
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Endangers Health or safety
Creates unacceptable nuisance Compromise of combat readiness |
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What are conditions must be met for overboard discharge?
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CO approval
Greater than 50 Nautical miles from shore Must be properly packaged and weighted for negative buoyancy |
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What is the instruction for Management of infectious waste?
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BUMED 6280-1
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When performing a finger stick, where on the finger is stuck?
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Puncture off center such as sides of finger tip
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What top of tube is the specimen of choice for blood smears ?
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Lavender top
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What is universal precaution?
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an infection control strategy to reduce the risk of disease transmission
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What substances are considered infectious by the CDC?
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Blood
Tissue Semen |
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Where do we separate waste?
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at the point of origin
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How do we handle Biohazardous waste?
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In red or orange marked bags
Bags are emptied daily Double bagged, goosenecked, and secured with heavy tape Bags are labled with name, address, and phone # of originator |
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What type of container is used for Sharps?
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Rigid, puncture resistant, leak proof container
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what are the ranges for RBC in female and male?
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Male: 4.2-6.0mil/mm3
Female: 3.6-5.6mil/mm3 |
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What is the normal vaules of HCT for male?
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41.5-50%
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Normal values for HCT of Females?
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35.9-44.6%
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What is CFR?
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code of federal regulations
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When is the CFR revised?
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annually
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What instruction governs infectious waste mangament?
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BUMED 6280.1A
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Who publishes guidelines for workplace safety and health?
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CDC
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What is specialized clothing or equipment worn by a person to protect against hazards?
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Personal protective equipment (PPE)
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What is the time line for segregation of waste?
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dispose after 90 days when 3/4 full or if foul odor is detected
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How long can storage be limited too?
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7 days
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One of the following criteria must be the basis for requesting overboard dishcarge of infectious waste?
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a. endanges health or safety
b. Creates unaccpetable nuisance c. Compromise of combat readiness |
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What are some conditions for disposal of infectious waste?
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CO approval
Must be > 50 nautical miles from shore Properly packaged and weighted for Negative buoyancy |
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Where should disposal of waste be documented?
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deck log and medical journal
Date, time, ship's location, number of bags |
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What color of tube is used for CBC and Diff?
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lavendar with EDTA
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How long can a specimen be refrigerated for after drawn?
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apporx 24 hrs
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What is in the light blue tubes as anticoagulant?
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Sodium citrate
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What is the blue tubes used for during specimen sampling?
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PT/PTT
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What color is the Heaparin ?
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Green
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What are the green tubes used for?
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plasma studies Ammonia and ACTH (adrenocorticotropic hormone)
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Antithrombin does what?
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prevents conversion of prothrombin to thrombin
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What type is mainly used for chemistery , blood banking and serology?
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REd top ( no anticoagulant /preservative
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What is tiger top used for?
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Serum separator tube, HIV
contains serum separator gel |
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What type of tube used for glucose studies?
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Grey top
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Sodium floride does what to the blood?
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inhibits glycolysis
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Code of Federal Regulations (CFR) – compendium of all federal laws.
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1. Revised annually
2. Divided into 50 titles 3. Each title divided into chapters 4. Each chapter divided into specific regulatory areas. |
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Governing bodies
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1. Local
a. SWMI – Surface Warfare Medical Institute 1. NSHSSDIEGOINST 5100.1D (Safety Manual). NSHSSDIEGOINST 5100.3B (Blood borne exposure) 2. State 3. Federal a. OSHA & NIOSH: The Occupational Safety and Health Act of 1970 created both OSHA & NIOSH. b. NIOSH is part of CDC and the US Dept of Health and Human Services NIOSH MISSIONS c. Code of Federal Regulations (CFR) – compendium of all federal laws. 4. Navy a. NAVOSH and Environmental Training Center b.BUMED 6280.1A - Management of Infectious Waste 5. SOFA: Status of Forces Agreement |
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Infectious Storage Requirements
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1. Mark storage rooms:
a. “Biohazard” b. Authorized personnel only 2. Close to treatment area or transport site and lockable 3. Kept clean and pest/rodent -free 4. Limit storage to 7 days |
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Sodium citrate is found in what color blood tube
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1. A liquid anticoagulant used in light blue tops
2. Used for coagulation studies a. Prothrombin Time ( PT ) b. Partial Thromboplastin Time (PTT) 3. A chelating agent that binds calcium. |
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EDTA (ethylenediaminetetraacetic acid) is found in what color blood tube
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1. Liquid in purple tops.
2. Typically used in Hematology studies: a. CBC b. Differential 3. Most widely used. 4. Chelating agent which binds calcium so blood cannot clot. 5. Does not affect cellular morphology. 6. Specimens can be refrigerated for approx. 24 hrs. |
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Heparin is found in what color blood tube
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1. Liquid or powder in green tops.
2. Used for special plasma studies a. Ammonia b. Adrenocorticotropic hormone (ACTH) 3. Inhibits the clotting enzyme thrombin by activating antithrombin. a. * Antithrombin prevents conversion of prothrombin to thrombin. 4. It is of limited use because heparin salts affect some test results. Heparin salts clump WBCs and platelets. |
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Red Tops are used for what
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a. No anticoagulant/preservative
b. Sterile c. Used mainly for: Chemistry Serology Blood bank Other test requiring serum |
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Serum Separator Tube(SST)
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Tiger top, HIV tube.
a. No anticoagulant b. Contains serum separator gel. |
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Sodium fluoride
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a. Grey top tube
b. Used for glucose studies c. ETOH levels analysis d. Inhibits glycolysis.* |
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Tube color Order of draw
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Red, Blue, Green, Purple, Gray
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Define Hematocrit
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a. Ratio of the volume of RBC to that of whole blood
b.Expressed in percentage c. Can be measured directly by centrifugation with macromethods or micromethods. d.Can be measured indirectly as the product of the MCV times RBC count in automated instruments |
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Normal values of Hematocrit
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*. Normal Values
1. 1. Male: 41.5% - 50.4% 2. Female: 35.9% - 44.6% *. Interpretation 1. Anemia – below normal 2. Polycythemia – above normal |
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Define Hemoglobin
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a. The main function of Hgb is to transport oxygen from the lungs, where oxygen tension is high and to the tissues where oxygen is low.
b.Hemoglobin molecule consists of two pairs of polypeptide chains and four heme groups, each containing one atom of ferrous iron. |
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Define Mean Corpuscular Hemoglobin Concentration (MCHC)
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a. The average concentration of Hemoglobin in a given volume of packed red cells.
b.It is calculated from the Hb concentration and HCT. c. Decreases values point to hypochromasia, decreases oxygen-carrying capacity because of decreases hemoglobin inside the cell. d.Hypochromasia is seen in iron deficiency anemia and in thalassemia. e. MCHC= Hemoglobin/HCT |
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Define purpose of Platelet Count
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a. Used to determine if patient have bleeding disorders or bone marrow diseases, such as leukemia.
b.150,000 to 450,000/ ul. c. <20,000 per microliter, spontaneous bleeding may occur and considered a lifethreatening risk. |
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Define purpose of White Blood Cell Count
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a. A test used to determine the presence of an infection or leukemia.
b.Monitor the body’s response to various treatments and bone marrow function. c. Leukocytosis - bacterial infections, inflammations, leukemia, trauma, intense exercise, or stress. d.Leukopenia. It can result from many different situations, such as chemotherapy, radiation therapy, or diseases of the immune system. |
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Define the purpose of Granulocyte Count
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a. Granulocytes are category of white blood cells characterized by the presence of granules in their cytoplasm.
b.They are also called polymorphonuclear leukocytes (PMN or PML) because of the varying shapes of the nucleus. c. Three types of granulocytes |
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What are Three types of granulocytes:
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1. Neutrophil granulocytes
2. Eosinophil granulocytes 3. Basophil granulocytes |
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What are:
a. Eosinophils acts a phagocytes and modulate inflammatory responses b. Destroy helminthes by generating potent oxidants and releasing cationic proteins c. Participate in some inflammatory conditions, particularly allergic reactions, asthma, and certain myocardial diseases. d. Dampens hypersensitivity and inflammatory reactions. e. Normal value: 0 – 4% |
Eosinophil granulocytes
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What are:
a. One of the least abundant cells in blood, 0 – 2%. b. The cytoplasm of basophil contains a varied amount of granules, which are numerous enough to partially conceal the nucleus. c. Granule contents of basophil are abundant with histamine, heparin, chondroitin sulfate, peroxidase, platelet activating factor, and other substances. |
Basophil granulocytes
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What are:
a. Most abundant type of phagocyte b. Constitutes 50 – 60% of total circulating WBCs |
Neutrophil granulocytes
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Lymphocyte/Monocyte Count
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a. Lymphocytes are the second most numerous cell in the blood, comprising from 20% to 44% of the adult blood cells.
b. Lymphocytosis – excess of lymphocytes in peripheral blood. c. Absolute lymphocytes 2. Atypical lymphocytes – it is used to describe malignant appearing cells. 3. Reactive lymphocytes – it is used to describe formed or benign lymphocytes. |
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Causes of reactive lymphs
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1.Viral – Adenovirus, chicken pox, cytomegalovirus, EBV, hepatitis, herpes simplex, herpes zoster, HIV, influenza, paramyzovirus (mumps), rubella.
2..Bacterial – Brucellosis, parathyroid fever, pertussis (whooping cough), tuberculosis, typhoid fever. 3.Drug reaction – during recovery from acute infection. 4.Miscellaneous – Acute infectious lymphocytosis, allergic reactions, autoimmune diseases, hyperthyroidism, malnutrition, rickets, syphilis, toxoplasmosis. |