NR507 Midterm Exam-Questions with Correct Answers/ Verified
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Course
NR507
Institution
NR507
Hemolytic anemia - -RBCs destroyed
Why?
-mitchmached blood types-destroys RBCs
-autoimmune hemolytic anemia due to autoantibodies against erythrocytes that the immune system
pesrceives as an antigen and then attacks it
-allergic reaction to a drug causes drug induced hemolytic anemia (drug ind...
NR507 Midterm Exam-Questions with Correct Answers/ Verified
Hemolytic anemia - ✔✔-RBCs destroyed
Why?
-mitchmached blood types-destroys RBCs
-autoimmune hemolytic anemia due to autoantibodies against erythrocytes that the immune system
pesrceives as an antigen and then attacks it
-allergic reaction to a drug causes drug induced hemolytic anemia (drug induced hemolytic anemia)
Pernicious anemia and Vitamin B12 - ✔✔deficiency lack of intrinsic factor
-fatigue
-dyspnea
-peripheral neuropathy (numbness and tingling)
Risk factors:
-older adults
-H-pylori infection
-affects vitamin B12 absorptions
iron deficiency anemia causes: - ✔✔causes:
-decreased dietary intake
-occult bleeding (hemorrhage, postpartum bleed, colitis, cirrhosis, GI ulcers, esophageal lesions or
menorrhagia
-takes 2-4ml (1tsp) of blood loss a day to lose 1-2 mg of iron
iron deficiency anemia - ✔✔-is microcytic/hypochromic anemia
-caused by disorders of hemoglobin synthesis, particularly iron deficiency
, -ferritin helps to measure body total iron stores
-low ferritin indicates anemia
-increased RBC distribution width is one of the earliest lab markers in developing microcytic or
macrocytic anemia
Microcytic anemia - ✔✔-MCV less than 80
-iron deficiency
-sideroblastic
-thalassemia
-anemia of chronic disease
Normocytic anemia - ✔✔-MCV 80-99
-hereditary spherocytosis
-G6PD deficiency
-paroxysmal nocturnal hemoglobinuria
macrocytic anemia - ✔✔-MCV greater than 100
-B12 deficiency (pernicious anemia)
-folate deficiency
consequences of decreased oxygenation due to lack of hgb - ✔✔-severe fatigue
-pallor
-weakness
-dyspnea
-dizziness
Hematological Diseases - ✔✔-iron deficiency
-pernicious anemia
-hemolytic anemia
-sickle cell anemia
-thalassemia
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