At the muscle end-plate, d-tubocurarine reduces
the:
A. Number of Na+ channels
B. Duration for which the Na+ channels remain
open
C. Ion conductance of the open Na+ channel
D. Frequency of Na+ channel opening
the:
A. Number of Na+ channels
B. Duration for which the Na+ channels remain
open
C. Ion conductance of the open Na+ channel
D. Frequency of Na+ channel opening