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28 Cards in this Set

  • Front
  • Back
Hematopoiesis
The production of all types of blood cells generated by a remarkable self-regulated system that is responsive to the demands put upon it...
RBC manufactured where?
Inmature RBC's are called?
Lifespan of RBC?
Bone marrow, reticulocytes, 120 days
More than 1/3 of a RBC is made of Hemogloblin. Heme? Globiin?
Heme= red pigment
Globlin= protein chain
What type of maturation defeats?
cyctoplasmic and nuclear
What is hemolytic anemia?
Excessive destruction of RBCs
What causes hemolytic anemia?
Intrinsic RBC abnormalities and extrinsic mechanisms
Where is iron stored?
liver, spleen an din bone marrow
What does iron do?
Oxygen carrier in hemoglobin and myoglobin
Name dietary sources for iron
meats, leafy veggies and grains
Types of food that enchance iron absorption
orange juice, veal, fish, ascorbic acid
Food that impair iron absorption
eggs, corn, beans, cereal products that contain phytates
Forms of iron supplements
Ferrous fumarate, ferrous gluconate, ferrous sulfate, iron dextran (parenteral form)
Adverse Effects of Iron supplements
N,V,D,C, stomach cramps and pain
Black tarry stools, stain teeth (oral), stain skin (injectable)
Folic Acid
Water soluble, b-complex vitamin.
Folic acid is essential for erythropoiesis( the production of red blood cells as from the bone marrow)
Most common cause of folic acid deficiency
Malabsorption syndromes
What si pernicious anemia?
a severe hyperchromic anemia marked by a progressive decrease in number and increase in size and hemoglobin content of the red blood cells and by pallor, weakness, and gastrointestinal and nervous disturbances and associated with reduced ability to absorb vitamin B12 due to the absence of intrinsic factor --
lab range for Hgb
adult Female: 12.0-16.0
adult Male: 13.5-17.5
Newborn: 14-20
Lab range for Hct
Male: 45 - 62%
Female: 37 - 48%
Ferrous salts are contraindicated in patients with
ulcerative colitis, PUD, liver disease, other GI disorders
Iron Dextran injectable is only give to patients with______
Iron deficiency anemia
Oral forms of iron should be taken between meals for _________
maximum absorption, but may be taken with meals if GI distress occurs
Oral forms should be given with juice, but not with ________________
not with milk or antacids
Patients should remain upright for __ to __ minutes after oral iron doses to avoid __________ __________
Patients should remain upright for 15 to 30 minutes after oral iron doses to avoid esophageal corrosion
For iron dextran, a small test dose should be given. TRUE or FALSE
true
After test dose of iron dextran, what is the time frame for possible reaction?
1 hour
What type of injection method should be used with Iron Dextran?
Deep IM Z track
BEfore administering folic acid to your patient, you should first do what?
Determine cause of anemia before administering folic acid
Oral folic acid should be given on an empty stomach. TRUE OR FALSE
False Folic acid should be given with food