One of the Harmonics of a Column of Air Open

question 13

Multiple Choice

One of the harmonics of a column of air open at one end and closed at the other has a frequency of 448 Hz and the next higher harmonic has a frequency of 576 Hz. How long is the air column? The speed of sound in air is 343 m/s.

• A) 1.34 m
• B) 0.670 m
• C) 0.335 m
• D) 1.00 m
• E) 2.68 m

Understand the importance and methodology of accurate medical coding.

Recognize the anatomical positions and terminology relevant to coding.

Identify the professional ethical guidelines and resources coders must follow.

Understand the impact of coding accuracy on healthcare documentation and billing.

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Definitions:

Thought Process

The mental operation involved in cognitive functions such as reasoning, remembering, imagining, or learning.

Psychology Laboratory

A controlled setting where psychological research, experiments, and testing are conducted.

Stroop Task

A psychological test of attention and interference where participants must say the color of the word being displayed, which can be incongruent with the word's meaning.

Phonemes

The smallest unit of sound in a language that can distinguish one word from another in a given language.