Determination of Calcium Concentration in Blood Serum
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|Office:||6th floor, Radiopoetro|
|Pre-test:||3-6 questions, short-answer.|
|Post-test:||Sometimes. Oral only.|
Batch 2011 Pretest
- What is the principle? Calcium is precipitated from serum as oxalate, which is titrated with potassium permanganate.
- Calcium exists in the blood in three fractions: ionized, protein-bound, and citrate.
- Normal concentration of calcium in serum is: 9-11.5 mg/100ml.
- Metabolism of calcium is largely related to: phosphorus.
- A decrease in the ionized fraction of serum calcium causes: tetany.
- What is the function of ammonium? Bind with oxalate.
- What is the function of potassium permanganate? Oxidizer.
- Inonized calcium in the body fluids is important in: Blood coagulation, maintaining normal excitability of the heart, and differential aspects of the membrane permeability.