Michael Bishop Clinical Chemistry - enzymes (CK) Questions With Complete Solutions

CK is storage of high-energy _____ in muscle cells correct answer: Creatine phosphate Highest activities of CK are in these tissues correct answer: CNS, Heart, Skeletal muscle Forward Reaction used in CK determination correct answer: Tanzer-Givarg Measure ____ in absorbance at _____ correct answer: Decrease, 340nm Optimum pH in Tanzer-Givarg correct answer: 9.0 Reverse Reaction used in CK determination correct answer: Oliver-Rosalki Oliver Rosalki determine ____ in absorbance at 340 nm correct answer: Increase Oliver-Rosalki is ______ faster than forward reaction correct answer: 6x Optimum pH for Oliver Rosalki correct answer: 6.8 Liver enzyme markers correct answer: CK, AST, LDH Hemolysis cause false ____ of CK due to AK activity correct answer: Increase CK is inactivated by __________ correct answer: Light _______and _________ cause ↑ CK correct answer: Physical activity, Intramuscular injection Male reference range of CK correct answer: 15-160 U/L Female reference range of CK correct answer: 15-130 U/L CK-MB: ____ of total CK correct answer: <6%