The _____ States That Once an Electrical Impulse Reaches a Certain

question 49

Multiple Choice

The _____ states that once an electrical impulse reaches a certain level of intensity in a neuron,it fires and moves all the way down the axon without losing any intensity.

• A)depolarizing principle
• B)all-or-nothing principle
• C)permeability principle
• D)nature-nurture principle

---

Definitions:

Perilymph

The fluid located within the labyrinth of the inner ear, playing a crucial role in hearing and balance.

Bony Ossicles

Small bones, often found in the middle ear, that aid in hearing.

Oval Window

A membrane-covered opening that connects the middle ear to the inner ear, facilitating the transmission of sound vibrations.

Eardrum

A thin membrane that separates the external ear from the middle ear, and vibrates when sound waves hit it, aiding in hearing.