Heme iron - Study guides, Class notes & Summaries

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...

NURS 623 Exam 1 Questions and Answers Already Passed A circular rash that may expand over time which may also have a bulls eye appearance. Erythema migrans A common nonarticular disorder of unknown cause. Fibromyalgia A patient is 50 years old with heme-positive stools and evidence of IDA. What should be done? Referral for GI consult for colonoscopy An eating disorder of craving for food subsitutes such as clay, dirt, ice chips, or cotton. Pica Analysis of synovial fluid has cl...

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...

AAB MT Hematology | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS What is hemoglobin composed of? - Answer -4 heme, 4 iron, 4 globins What disorder does a defect in heme synthesis lead to? - Answer - Porphyria Porphyria - 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 concentrati...

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 ...

A nurse is discussing foods that are high in vitamin D with a client who is unable to be out in the sunlight. Which of the following should be included? Correct Answer-2 Large, Poached Eggs A nurse is reviewing dietary recommendations with a group of clients at a health fair. Which of the following info should the nurse include? Correct Answer-make protein 10-35% of total calories each day A nurse is conducting a nutritional class on minerals and electrolytes. The nurse should include whic...

The light-colored zone adjacent to the nucleus in a plasmacyte is the: A. ribosome B. chromatin C. mitochondria D. Golgi area - 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 - 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 reduced glutathione to prevent oxidation of hemoglobin C. prevent the reduction of h...

WGU Biochemistry OA 2022/2023 Questions With Answers. Amino Acid backbone consists of Ans - 1. amino group 2. carboxyl group 3. alpha carbon 4. R group Amino group: looks likes/consists of Ans - NH3+ Carboxyl group looks like/consists of Ans - cooAlpha carbon looks like/consists of Ans - CH The three Amino acid categories Ans - 1. hydrophobic (nonpolar) 2. polar 3. charged Hydrophobic Amino Acids Ans - non polar afraid of h20 usually in the middle/core of the protein contains H + C...

How are heme and non-heme iron differentHeme-Fe is contained in a protoporphyrin ring -found in meat in hemoglobin, myoglobin, cytochromes -highly bioavailable Non-Heme-can be organic chelates (ferric, citrate, ferrous fumarate) -can be constituents of biological molecules (e.g iron sulfur enzymes, ferritin) -found in plants and meat -relatively poorly bioavailable ferrous iron vs ferric ironFerrous iron (Fe2+) is better absorbed than ferric iron (Fe3+) Vitamin C enhances absorption by...

NURS 3100 Exam 1 UCONN Questions And Answers With Verified Study Tests A nurse is discussing foods that are high in vitamin D with a client who is unable to be out in the sunlight. Which of the following should be included? ANS 2 Large, Poached Eggs A nurse is reviewing dietary recommendations with a group of clients at a health fair. Which of the following info should the nurse include? ANS make protein 10-35% of total calories each day A nurse is conducting a nutritional class on mine...