MLT Clinical Chemistry Test 2 Questions With Complete Solutions

The total protein biuret method measures? correct answer: Biuret reacts with the peptide bonds in protein. Forms complex between peptide bonds + cupric ions (Cu2+) Reference range of serum protein correct answer: 6.2-8.5 g/dL Reference range of CSF protein correct answer: 15-45mg/dL If a woman is having twins, which globulin would be elevated, produced by the fetal yolk. correct answer: alpha1-fetoprotein Beta gamma bridge correct answer: no alpha 1 correct answer: nephatometer correct answer: Measures turbidity at an angle Beer's law correct answer: (Ab unknown) / (Ab known) x concentration of standard = total protein (g/dL) Cresol green binds to __________ in (body fluid) correct answer: Albumin Equation to convert Ab to T correct answer: A = 2 - log(T%) What does haptoglobin do? correct answer: Binds free hemoglobin (toxic to renal system), preventing loss of hgb and iron through urine. Characteristics of Bence-Jones proteins correct answer: precipitate at 100 degrees C, beyond that proteins will dissipate. At what wavelength is UV light? correct answer: 340 or lower What is the name of the protein which transports copper? Holds 90% of total serum copper correct answer: Ceruloplasmin, alpha2-glycoprotein Most plasma proteins are synthesized in the liver, except immunoglobulins which are synthesized by? correct answer: Plasma cells the end product of protein metabolism is ____________, which is excreted into urine. correct answer: Urea