The Higher the Frequency of a Wave

question 9

Multiple Choice

The higher the frequency of a wave,

• A) the lower its speed.
• B) the shorter its wavelength.
• C) the smaller its amplitude.
• D) the lower its pitch.

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Definitions:

Lymph Node

Encapsulated mass of lymph tissue found among lymph vessels.

Thymus Gland

An immune system gland located behind the sternum that produces T-cells for the adaptive immune response.

Lymphatic Nodule

Small accumulation of lymph tissue lacking a distinct boundary.

CD4

A glycoprotein found on the surface of immune cells such as T helper cells, monocytes, macrophages, and dendritic cells, playing a key role in the immune system’s response to pathogens.