Question: TTX is a drug that blocks the opening of voltage-gated sodium channels. Imagine another drug, drug X, that prevents the inactivation gate of voltage-gated sodium channels from closing. Identify the likely effect of TTX and drug X on the shape of the action potential. Select options. Question options: A) TTX inhibits depolarization B) TTX extends depolarization C) TTX inhibits repolarization D) Drug X would inhibit depolarization E) Drug X would extend depolarization F) Drug X would inhibit repolarization