Heme iron - Study guides, Class notes & Summaries

ASCP Hematology Exam Questions and Answers / MLT Latest Update . The light-colored zone adjacent to the nucleus in a plasmacyte is the: A. ribosome B. chromatin C. mitochondria D. Golgi area - ANSWER D. Golgi area The majority of the iron in an adult is found as a constituent of: A. hemoglobin B. hemosiderin C. myoglobin D. transferrin - ANSWER A. hemoglobin The main function of the hexose monophosphate shunt in the erythrocyte is to: A. reglate the level of 2,3-DPG B. provide reduce...

ATI Nutrition Practice Questions Exam With Complete Solution A nurse is discussing health problems associated with nutrient deficiencies with a group of clients. Which of the following conditions is associated with a deficiency of vitamin C? (Select all that apply.) A. Dysrhythmias B. Scurvy C. Pernicious anemia D. Megaloblastic anemia E. Bleeding gums B. Scurvy (swollen, bleeding gums & opening of wounds) E. Bleeding Gums A nurse is conducting a nutritional class on minerals and ...

ASCP Haematology Exam-MLT (Medical Laboratory Technicians) Questions With Complete Solutions In the normal adult, the spleen acts as a site for: A. storage of red blood cells B. production of red blood cells C. synthesis of erythropoietin D. removal of imperfect and aging cells After removal of red blood cells from the circulation hemoglobin is broken down into: A. iron, porphyrin, and amino acids B. iron, protoporphyrin, and globin C. heme, protoporphyrin, and amino acids D. he...

Hematopoiesis -Answer- Process of blood cell production in adult bone marrow or the liver and/or spleen of the fetus Two stages ▪ Mitosis (proliferation) ▪ Maturation (differentiation) Primary site of hematopoietic stem cells -Answer- Bone marrow ("myeloid tissue") Difference between red and yellow bone marrow -Answer- Red marrow produces RBCs, yellow marrow does not produce RBCs Active bone marrow sites -Answer- pelvic bones vertebrae cranium mandible sternum ribs h...

Exam 3: NURS611 / NURS 611 (Latest 2024 / 2025) Advanced Pathophysiology Quiz Bank | Questions and Verified Answers with Rationales | 100% Correct | Grade A - Maryville Q: Which statement is true regarding warm autoimmune hemolytic anemia? a. Warm autoimmune hemolytic anemia occurs primarily in men. b. It is self-limiting and rarely produces hemolysis. c. Erythrocytes are bound to macrophages and sequestered in the spleen. d. Immunoglobulin M coats erythrocytes and binds them to receptors on mon...

What is hemoglobin composed of? - 4 heme, 4 iron, 4 globins What disorder does a defect in heme synthesis lead to? - Porphyria Porphyria - Deficiency in the enzymes of the porphyrin pathway leads to insufficient production of heme. The principal problem in these deficiencies is the accumulation of porphyrins, the heme precursors, which are toxic to tissue in high concentrations. What is methemoglobin? - Methemoglobin is a form of hemoglobin that contains ferric [Fe3+] iron and has a decrea...

When defective erythrocytes are broken down, A) they are removed from the blood by the lungs. B) their iron is excreted into the small intestine. C) bilirubin is formed from the breakdown of hemoglobin. D) their heme groups are converted into amino acids. E) their components cannot be recycled. - C) bilirubin is formed from the breakdown of hemoglobin. The exchange of nutrients and gases between the blood and tissue cells is the primary function of __________. A) arterioles B) veins C)...

PURDUE BIO 204 EXAM 1 2024 WITH 100% CORRECT ANSWERS In the breakdown of hemoglobin, the globin chains... - correct answer are broken down by macrophages into amino acid In the breakdown of hemoglobin, the iron... - correct answer is transported by transferrin to the liver, spleen, and bone marrow Which of the following is the correct sequence in the breakdown of the non-iron portion of the heme? - correct answer Heme, biliverdin, bilirubin, conjugated bilirubin, bilirubin derivative...

What is true about the breakdown of red blood cells? - correct answer->> Iron is carried through the plasma by transferrin >> Bilirubin is excreted in the urine >> Bilirubin is excreted in the bile >> Iron is carried through the plasma by transferrin Adult hemoglobin is composed of what components? - correct answer->> four heme groups >> two beta subunits >> two alpha subunits Infant hemoglobin is composed of what components? - corre...

What is hemoglobin composed of? - CORRECT ANSWER 4 heme, 4 iron, 4 globins What disorder does a defect in heme synthesis lead to? - CORRECT ANSWER Porphyria Porphyria - CORRECT ANSWER Deficiency in the enzymes of the porphyrin pathway leads to insufficient production of heme. The principal problem in these deficiencies is the accumulation of porphyrins, the heme precursors, which are toxic to tissue in high concentrations. What is methemoglobin? - CORRECT A...