Chapter 7
Diseases of the Blood
Terms
Erythrocytes: Red blood cells
Hemoglobin: Protein in red blood cells
Anemia: Condition of reduced numbers of
red blood cells
Hypoxia: Lack of oxygen in blood cells
Hemolysis: Red blood cell death
Pernicious anemia: Deficiency of Vitamin
B12 which must be supplied by diet – body
does not produce its own
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Terms
Leukocytes: White blood cells
Neutropenia: Reduction in circulating
components of white blood cells
Age-related Anemia: is most common in
persons greater than 75 years of age due to
blood loss, nutritional deficits, chronic illness
and chronic renal failure
Lack of white blood cells: Are generally
secondary to cancer treatments, malignancy,
and nutritional anemias
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Signs and Symptoms
Anemia: Iron deficient, of chronic disease
and folic acid deficiency – Fatigue, SOB,
decreased exercise tolerance
Pernicious anemia: Abdominal distress,
nausea, vomiting, burning of tongue
Sickle cell anemia: pallor, SOB, fatigue,
painful sickle cell crisis
Thalassemia (defective hemoglobin):
Pallor, fatigue, SOB
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Polycythemia vera: Dizziness, headaches,
and visual disturbances (treat with chemo,
leeches)
Hemophelia A: Bleeding, genetic
Von Willebrand’s disease: Genetic, platelet
adhesion causes bleeding
Neutropenia: Infection, fever, skin
inflammation
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