10.3 Flashcards
what helps detect blood disorders and diseases
Complete blood count
what does complete blood count measure
the numbere of RBCs, WBCs, and platelets in a person’s blood
what does a low RBC count indicate
anemia, bleeding and dehydration
what does a low platelet count indicate
bleeding or thrombotic (clotting) disorder
why are hemoglobin and hematocrit levels also measured
signs of anemia
what is the condition characterized by a decrease in the number of RBCs or insufficent hemoglobin in RBCs
Anemia
3 main causes of anemia
1.) excessive blood loss
2.) decreased RBC production
3.) high rate of RBC destruction
diagonose: headache, dizziness, weakness, fatigue and difficulty breathing or shortness of breath
anemia
aquired anmeias
iron-deficient anemia, aplastic anemia, pernicious anemia, and anemia caused by chronic disease
what is the most common type of anemia
iron-deficient anemia
what percent of anemia is iron-deficient anemia
50%
what is the result of insufficient dietary intake of iron or loss of iron from intestinal bleeding
iron- deficent anemia
main cause of anemia
parasitic worms that lead to instestinal bleeding
why do pregenant women suffer from anemia
pregenant women give the babies hemoglobin which leads to less iron for them
what condition is caused by damage to the stem cells in the bone marrow
Aplastic anemia
cause of aplastic anemia
toxins, radiation therapy or chemotherapy, infectious diseasees, autoimmune disorders, hereedity
in severe cases of aplastic anemia was has to be preformed
marrow stem cell transplants
what is the result of intestines unable to absorb B12
Pernicious Anemia
what is the key protein in viatamin B12 absorption
intrinsic factor
what is the average age for diagnosis for pernicious anemia
around 60
diagnose: red, swollen tounge, pale skin, fatigue, shortness or breathe
pernicious anemia
what chronic diseases can cause anemia
rheumatoid arthritis and kidney disease
what is the treatment for anemia’s caused by chronic disease
treating the underlying disease
what are the inherited Anemias
sickle cell disease
thalassemia