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