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WGU D115 patho unit 5 hematologic system all Questions & answers solved accurately with Complete Solution Graded A+ latest version CA$19.48   Add to cart
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WGU D115 patho unit 5 hematologic system all Questions & answers solved accurately with Complete Solution Graded A+ latest version
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WGU D115 patho unit 5 hematologic system all Questions & answers solved accurately with Complete Solution Graded A+ latest version

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  • July 6, 2024
  • 10
  • 2023/2024
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WGU D115 patho unit 5 hematologic
system Questions with 100% Correct
Answers | Verified | Latest Update


Processes of platelet activation - ANSWER-Adhesion, activation, aggregation

function of platelets - ANSWER-blood clotting

Function of Erythrocytes (RBCs) - ANSWER-Transport gases (O2 and CO2)
Transport electrolytes
Regulate diffusion across cell membrane

function of leukocytes (WBC) - ANSWER-defense and immunity

Types of Leukocytes (WBCs) - ANSWER-Granulocytes:
-Neutrophils
-Basophils
-Eosinophils
Agranulocytes:
-Monocytes
-Macrophages
-Lymphocytes
-Natural Killer Cells (NKCs)

Anemia - ANSWER-Decrease in total number of erythrocytes in circulation blood
or quality or quantity of hemoglobin

Classifications of anemia - ANSWER-microcytic, normocytic, macrocytic

microcytic hypochromic anemia - ANSWER-Disorders of hemoglobin synthesis,
iron deficiency

, macrocytic anemia - ANSWER-Abnormal maturation of erythrocyte precursors on
bone marrow, usually due to deficiency in B12 and/or folate which affects DNA
synthesis

normocytic normochromic anemia - ANSWER-Characterized by red cells that are
relatively normal in size and hemoglobin content but insufficient in number, shape
of RBC helps determine cause/type

anisocytosis - ANSWER-presence of red blood cells of various sizes

poikilocytosis - ANSWER-condition characterized by red blood cells in a variety
of shapes

Eryptosis - ANSWER-premature death of damaged erythrocytes

intrinsic factor - ANSWER-Protein transporter necessary for absorption of vitamin
B12

pernicious anemia (PA) - ANSWER-Chronic, progressive anemia found mostly in
people older than age 50 resulting from a lack of sufficient vitamin B12 needed
for blood cell development. Usually related to lack of intrinsic factor from gastric
parietal cells required for absorption.

Erythropoiesis - ANSWER-production of red blood cells

Hematopoiesis - ANSWER-blood cell formation in bone marrow

Hemostasis - ANSWER-to stop or control bleeding

Mechanism of hemostasis - ANSWER-1. Blood vessel wall injured, collagen
fibers exposed at damaged site
2. Release of *endothelin* (vasoconstrictor) & von Willebrand (vWF) which bonds
exposed collagen fibers
3. Platelets adhere to exposed collagen *by binding to vWF* and they get
activated (*platelet activation*)
- platelet shape transformation
- platelet degranulation (a/d granules)

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