Blood Components Flash Cards

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Title: Blood Components
Description: From Microbiology, Whole Blood Cells, values, and descriptions of granular/non-granular WBC and RBC
Number of Cards: 43
Save Count: 4
Author: jwdpta9
Created: 2002-08-29
Tags: biology
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    • Question
    • Answer
    • Side 3
    • Describe a lymphocyte under a microscope.
    • there are two types: small are T cells and B cells and large are plasma cells; stained with Wright's stain, dark purple nucleus and pale blue cytoplasm
    • RBCs are formed in the _______ .
    • red bone marrow
    • Describe a non-granular WBC.
    • one large round nucleus and a smooth cytoplasm
    • What are the female values for a hematocrit?
    • 37-47% with the average being 42%
    • Describe a granular WBC.
    • a lobed nucleus and granular cytoplasm
    • Neutrophils are also called __________ and ________.
    • Segs and Polymorphonuclear Leukocytes (PMNL)
    • Describe a basophil under a microscope.
    • basic stain, purple lobed nucleus, pale clue cytoplasm, large, bright blue dots on the surface.
    • Describe an eosinophil under a microscope.
    • Acid stain, purple lobed nucleus, pale blue cytoplasm, large bright red dots on the surface
    • How many RBCs are in males ?
    • 5-6 x 10^6 RBC/mm
    • What is hematology?
    • the study of the cellular and protein components of blood
    • Describe a neutrophil under a microscope
    • Neutral stain with Wright's stain, purple lobed nucleus, pale blue-purple cytoplasm, light granulation
    • What makes up plasma ?
    • 90% water, 6-8% proteins (gamma globulins, alpha and beta proteins for body stability), and the rest is primarily glucose and electrolytes
    • What is a "Shift to the Left" in relation to a neutrophil ?
    • an increase in the percentage of neutrophils which indicates an early infection
    • The lifespan of a RBC is ____ .
    • 4 months
    • Will RBC values be higher or lower in higher elevations ?
    • They will be HIGHER
    • What percentage of a WBC consists of eosinophils ?
    • 2-5% with an average of 3%
    • What are three types of blood cells ?
    • Erythrocytes, Leukocytes, Thrombocytes
    • What are three types of Granular WBCs ?
    • Neutrophils, Eosinophils, Basophils
    • What is the function of an eosinophil ?
    • detoxifies allergin and fights parasitic infections
    • What is the function of a neutrophil ?
    • phagocytosis - "pac-man"
    • When would you see in increase in eosinophils in a WBC ?
    • in response to allergies and parasitic infections
    • A WBC total count averages ____ .
    • 5,000-10,000/mm^3
    • What does whole blood consist of ?
    • about 45%cells, 55% plasma
    • Neutrophils number ________ of WBC
    • 65-75% with an average of 65%
    • What are 2 types of Non-granular WBCs ?
    • Lymphocytes and Monocytes
    • What is the condition called when there are increased numbers or size of RBCs
    • Polycythemia
    • How many RBCs are in females ?
    • 4-5x10^6 RBC/mm
    • What is the function of a basophil?
    • to secrete histamine and heparin which are vasodialators that cause allergic reactions
    • What is serum ?
    • serum is a pale straw-colored liquid and is plasma with the clotting factors removed
    • WBCs are formed in the _________ .
    • red bone marrow
    • What is the condition called when there is a reduced number or size of RBCs ?
    • Anemia
    • Desribe a Hematocrit.
    • a packed cell volume (PCV) indicating the % of RBC
    • What are the male values for a hematocrit?
    • 40-54% with the average being 47%
    • What is a neutrophil called when it is present in connective tissue?
    • microphage
    • Basophils decrease or increase when a person is exposed to heavy metals ?
    • INCREASE
    • What percentage of a WBC consists of basophils ?
    • 0.5-1%
    • What is the function of a monocyte ?
    • phagocytosis - "pac-man"
    • Describe a platelet.
    • small purple "trash" fragments of a large megakaryocyte. They function in blood clotting; there are about 200,000-300,000/mm^3
    • What percentage of a WBC consists of monocytes ?
    • 3-8% with an average of 6%
    • Describe a monocyte under a microscope.
    • large horseshoe or "W" or twisted, mottled or vacuolated nucleus with pale clue cytoplasm
    • What is the function of RBCs ?
    • to transport O2 and CO2
    • What WBC produces our antibodies ?
    • Lymphocytes
    • What percentage of a WBC consists of lymphocytes ?
    • 20-25% with an average of 20%