Chapter 55 Flashcards
What is hematopoiesis
Formation of new blood cells
How many hours does it take for a RBC to be functional
36 hours
What are immature RBC called
Reticulocytes
How long do RBC live
120 days
Why do iron deficiency cause anemia
Iron is needed for hemoglobin to form
Intrinsic causes of anemia
Sickle cell
Hereditary
G6PD deficiency
Extrinsic causes of anemia
Drug induced
Septic shock
Mechanical force
What med requires iron and functioning bone marrow to produce RBC
Epoetin Alfa
Which anemia drug is often misused by athletes to increase oxygen carrying capacity
Darbepoetin
Why can too much hemoglobin in blood cause stroke
Makes blood thicker
When should darbepoetin not be given
Hemoglobin level above 100 for cancer patients
Hemoglobin level above 130 for kidney disease
What foods contain iron
Beans
Fruits
Eggs
Meats
Vegetables
Grains
What helps iron absorption
Orange juice
What makes iron supplements ineffective
Eggs corn beans cereal
Iron impairs the absorption of
Antibiotics