The Child with Hematologic or Immunologic Disorders Flashcards
Exam 3 (164 cards)
Functions of the Hematologic System
Erythrocytes or red blood cells (RBCs): What do they do?
Transport nutrients and oxygen to the body tissues
Transport waste products from the tissues
Functions of the Hematologic System
Thrombocytes or platelets: What do they do?
Clotting
Functions of the Hematologic System
Leukocytes or white blood cells (WBCs): What do they do?
Fight infection
Types of Anemia: What are they?
Nutritional deficiency
Toxin exposure
Aplastic anemia
Hemolytic anemia
Types of Anemia:
What are the types of Nutritional deficiency anemias?
Iron deficiency,
folic acid deficiency,
pernicious anemia
Types of Anemia:
What are the types of Toxin exposure
anemias?
Lead poisoning
Types of Anemia:
What is Aplastic Anemia? How is it acquired?
Acquired as an adverse reaction to medication
Rare congenital bone marrow failure (Fanconi anemia)
Types of Anemia
Hemolytic anemia include?
Sickle cell anemia,
Thalassemias
Components of the Complete Blood Count (CBC) include?
RBC count
Hemoglobin (Hgb)
Hematocrit (Hct)
RBC indices
WBC count
Platelet count
Mean platelet volume (MPV)
Components of the Complete Blood Count (CBC): RBC count
Actual number of counted RBCs
Components of the Complete Blood Count (CBC): Hemoglobin (Hgb)
Measure of the protein made up of heme and globin
Components of the Complete Blood Count (CBC): Hematocrit (Hct)
Indirect measure of red blood cells
Components of the Complete Blood Count (CBC):
RBC indices
Cell diameter,
Hgb/RBC
Components of the Complete Blood Count (CBC)
WBC count
Actual count of the number of WBCs in a volume of blood
Components of the Complete Blood Count (CBC)
Platelet count
Number of platelets per blood volume
Components of the Complete Blood Count (CBC)
Mean platelet volume (MPV)
Measurement of the size of the platelets
What is the most common hematological disorder of childhood?
RED BLOOD CELL DISORDERSAnemia
RED BLOOD CELL DISORDERS/ Anemia:
What is it?
Decrease in number of RBCs and/or hemoglobin concentration below normal
RED BLOOD CELL DISORDERSsAnemia
What is a defining trait of it?
Decreased oxygen-carrying capacity of blood
RED BLOOD CELL DISORDERSsAnemia
Classification of Anemias-how?
Etiology and physiology
Morphology
RED BLOOD CELL DISORDERSsAnemia
Classification of Anemias: Etiology and physiology
RBC and/or Hgb depletion
RED BLOOD CELL DISORDERSsAnemia
Classification of Anemias: Morphology
Characteristic changes in RBC size, shape, and/or color
Effects of Anemia on Circulatory System include:
Hemodilution
Decreased peripheral resistance
Increased cardiac circulation and turbulence
Growth issues
Effects of Anemia on Circulatory System include:
Increased cardiac circulation and turbulence can lead to what?
Also, what can it lead to?
May have murmur
May lead to cardiac failure