Which of the following occurs first with the use of d-tubocurare:: (A) Diaphragmatic relaxation, (B) Abdominal wall relaxation, (C) Diplopia, (D) Ptosis
Answer is A. Any neuromuscular blocker when given intravenously goes to highly perfused organ like diaphragm and intercostal muscle first then facial muscle , then upper limb and last lower limb. Thus sequence of block - diaphragm and intercostal muscle - facial muscle - upper limb - lower limb