Examlex
Which of the following is an important nursing consideration when suctioning a young child who has had heart surgery?
Transmitting Substance
A chemical messenger that transmits signals across a chemical synapse, from one neuron (nerve cell) to another 'target' neuron, muscle cell, or gland cell.
Sound Waves
Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.
Timbre
The quality of a musical note, sound, or tone that distinguishes different types of sound production, such as voices or musical instruments.
Pure Tones
Sounds with a sinusoidal waveform, meaning they have a single frequency and are perceived as a single pitch.
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