KROK 1 2010 – Question 4 · KROK (Medicine) · Biological Chemistry

During an operation a patient got injection of muscle relaxant dithylinum. Relaxation of skeletal muscles and inhibition of respiration lasted two hours. This condition was caused by absence of the following enzyme in blood serum:

  1. A. Butyrylcholinesterase
  2. B. Catalase
  3. C. Glutathione peroxidase
  4. D. Acetylcholinesterase
  5. E. Glucose 6-phosphatase
Hint

Think about which serum enzyme normally terminates the action of this short-acting muscle relaxant within minutes.

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