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A: A brief explanation is given below.
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Which is the best indicator of iron STORES in the body?
Question 43 options:
a)
Hemoglobin
b)
Ferritin
c)
Hematocrit
d)
Transferrin
Step by step
Solved in 2 steps
- Which one of the following statements concerning Hb (hemoglobin) A1c is CORRECT? Question 4 options: a) HbA1c contains glucose molecules b) The concentration of HbA1c in the red blood cells (RBCs) decreases as RBCs age in the circulation c) Insulin injection can decrease the amount of HbA1c in the blood d) Weight is correlated with HbA1c concentrationIn sickle cell anemia, hemoglobin forms long fibers as a result of a) Burying of non-polar amino acids b) Burying polar amino acids c) Exposing polar amino acids d) Electrostatic interaction between glutamate and non polar amino acidsWhich condition enhances the release of oxygen from hemoglobin ? A) High blood viscosity B) Low temperature D) Low blood pH
- A person with a genetic defect which results in the synthesis of an insufficient amount of the alpha chain of hemoglobin is said to have which disease? A) alpha thalassemia b) beta thalassemia c) pernicious anemia d) Crohn’s diseaseThe cells carry oxygen in the blood: A) PlateletsB) Red Blood CellsC) Muscle CellsD) White Blood CellsMost of the oxygen transported in blood is A) Attached to the plasma membrane of red blood cells B) Bound to the globin portion of hemoglobin C) Bound to the heme portion of hemoglobin D) Dissolved in the cytoplasm of red blood cells
- Hemoglobins that denature and precipitate within RBCs as Heinz bodies are: Question 1 options: A) Methemoglobinemias. B) Thalassemias. C) Unstable hemoglobins. D) Hemoglobin M.Teardrop cells would most likely be associated with Question 5 options: A) Babesia infection B) homozygous beta-thalassemia C) pernicious anemia D) iron-loading anemiasThe sigmoidal, cooperative binding curve commonly observed for hemoglobin is a result of: a) competition between CO2 and O2 for heme binding. B) competition between heme and distal His for O2 binding c) competition between BPG and CO2 for binding at the central cavity site d) T to R transition Hemoglobin has a tendency to release its oxygen to the tissues because: a) in this region pH is high and O2 concentrations are low b) in this region both pH and O2 concentrations are low c) in this region both pH and O2 concentrations are high d) there is much BPG in this region Which statement about fetal hemoglobin is not true? A) fetal hemoglobin has gamma chains instead of beta chains b) fetal hemoglobin binds BPG less strongly than maternal hemoglobin c) fetal hemoglobin binds oxygen less strongly than maternal hemoglobin d) fetal hemoglobin binds oxygen more strongly than maternal hemoglobin Which process is most responsible for the sickling of cells seen in sickle…
- Why are immature RBCs sometimes present in the blood? Question 7 options: A) production of RBCs in the bone marrow is too slow B) lack of folic acid C) increased vitamin B12 D) inadequate dietary ironWhich of the following can affect the binding of oxygen to hemoglobin? A) The pH of plasma OB) The levels of 2,3-bisphosphoglycerate C) Albumin levels in plasma D) a and b E) a and c OF) a, b and cOxygen and hemoglobin bind in a reversible manner to form______a) Carboxyhemoglobinb) Oxyhemoglobinc) Methoglobind) BPG