Pharmacology Fisch’s physiological bottleneck (narrowest pa) is present in which pa of VII N NOT RELATED – ENT A Labyrinthine segment B Geniculate ganglion C Horizontal segment D Mastoid segment 💡 Explanation Fisch's physiological bottleneck (narrowest pa) is present in which pa of VII N NOT RELATED - ENT ✓ Correct Answer: A. Labyrinthine segment