Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) pseudocholinesterase deficiency ?
    ### Response:
    Pseudocholinesterase deficiency is a condition that results in increased sensitivity to certain muscle relaxant drugs used during general anesthesia, called choline esters. These fast-acting drugs, such as succinylcholine and mivacurium, are given to relax the muscles used for movement (skeletal muscles), including the muscles involved in breathing.
    