anemia Flashcards
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Platelets are involved in hematopoiesis.
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Immature RBCs are known as reticulocytes.
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More than one third of an RBC is composed of hemoglobin
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Heme, a component of hemoglobin, contains iron
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Epoetin alfa is a biosynthetic form of erythropoietin.
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Iron is stored in the liver, spleen, and bone marrow.
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Dietary iron must be converted by gastric juices before absorption.
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Orange juice enhances iron absorption.
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Eggs impair iron absorption.
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Supplemental iron may be given only in parenteral form.
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What is the lifespan of RBCs?
a) 30 days
b) 60 days
c) 90 days
d) 120 days
d
- Which of the following is a contraindication for darbepoetin (Aranesp®)?
a) Controlled hypertension
b) Hemoglobin levels above 100 mmol/L for cancer patients
c) Hemoglobin levels above 130 mmol/L for patients with kidney disease
d) Allergy to oral iron preparations
c
Which of the following is NOT an adverse effect of epoetin alfa?
a) Hypertension
b) Headache
c) Joint pain
d) Injection site reaction
c
What is the primary function of erythropoietin?
a) Enhancing platelet production
b) Stimulating RBC production
c) Regulating white blood cell count
d) Controlling blood glucose levels
b
Which of the following is NOT a dietary source of iron? a) Meats b) Eggs c) Certain vegetables d) Grains
b
SATA
Which are common oral iron preparations?
a) Ferrous fumarate (Femiron®)
b) Ferrous gluconate
c) Iron dextran (Dexiron®)
d) Ferrous sulfate (FeSO4)
a,b,d
Which foods enhance iron absorption?
a) Orange juice
b) Veal
c) Fish
d) Ascorbic acid
e) all of the above
e
SATA
What are contraindications for epoetin alfa?
a) Drug allergy
b) Uncontrolled hypertension
c) Hemoglobin levels above 100 mmol/L for cancer patients
d) Risk of thrombosis
a,b,d
SATA
Which are parenteral iron preparations? a) Iron dextran (Dexiron®) b) Iron sucrose (Venofer®) c) Ferrous sulfate (FeSO4) d) Ferrous fumarate (Femiron®)
a,b
SATA
Which foods impair iron absorption?
a) Eggs
b) Corn
c) Beans
d) Cereal products containing phytates
a,b,d
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Iron is used solely for the treatment of iron deficiency syndromes
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Folic acid deficiency is primarily caused by dietary insufficiency.
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Cyanocobalamin is administered exclusively through oral routes for the treatment of anemia.
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t/f Folic acid should be administered before determining the actual cause of anemia
f