RBC Pathologies: Practice Questions with Verified Answers

This disorder can result from a slow growing cancer of the bone marrow producing increased HCT, RBCs, WBCs, and platelets - Answer- Polycythemia Vera A hereditary disorder that generates microcytic, hypochromic, red blood cells - Answer- Thalassemia This disorder can arise from bone marrow destruction and is characterizes by decreased HCT, RBCs, WBCs, and platelets - Answer- Aplastic anemia This type of anemia can result from chronic blood loss - Answer- Iron-deficiency anemia The red blood cells shrink over time due to loss of the RBC membranes - Answer- Hereditary Spherocytosis This anemia can occur due to blood transfusion of mismatched blood - Answer- Acquired hemolytic anemia Kidney disease leads to decreased EPO, producing decreased RBCs, but normal WBCs and platelets - Answer- Aplastic anemia A person with this would have a hard time maintaining iron in a reduced state and should avoid fava beans - Answer- G6PD deficiency A form of this anemia results in non-viable pregnancies because all four of the Hb alpha-subunit gene copies are nonfunctional - Answer- Thalassemia Increased HCT due to dehydration - Answer- Relative Polycythemia A mutation resulting in a valine amino acid substituted for glutamic acid - Answer- Sickle cell anemia Ascending to high altitudes produces an adaptive increased EPO and HCT - Answer- Secondary Polycythemia Venom from Southern Pacific Rattlesnakes can cause this - Answer- Acquired hemolytic anemia Gastric atrophy causing less intrinsic factor would cause this anemia - Answer- Megaloblastic anemia Normochromic cells with decreased MCV and increased MCHC - Answer- Hereditary spherocytosis RBCs experience poikliocytosis when tissues experience hypoxic conditions - Answer- Sickle cell anemia Microcytic, hypochromic RBCs associated w sore throat and pica - Answer- Iron-deficiency anemia Alcoholism and liver cirrhosis can produce this type of anemia - Answer- Megaloblastic anemia Use of anti malaria medication is contradicted in patients with this type of anemia - Answer- G6PD deficiency Respiratory or cardiac disorders lead to increased EPO and HCT - Answer- Secondary Polycythemia