Humans Can Hear Sounds Ranging in Frequency from

question 205

Multiple Choice

Humans can hear sounds ranging in frequency from

• A)10-120 dB.
• B)20-2,000 dB.
• C)200-2,000 Hz.
• D)20-20,000 Hz.

---

Definitions:

Electrical Charge

A fundamental property of matter that leads to electromagnetic interactions, described in terms of positive or negative electrical energy.

Nodes of Ranvier

Gaps in the myelin sheath of nerve fibers, which play a critical role in the fast propagation of nerve impulses.

Myelinated Axon

A nerve fiber enveloped in a myelin sheath, which increases the speed and efficiency of electrical signal transmission.

Ion Channels

Protein structures embedded in cell membranes that allow ions to enter or leave a cell, critical for various biological processes including nerve impulse transmission and muscle contraction.