At the 15^th Week of Gestation,the Fetus Is Covered with Fine

question 105

Multiple Choice

At the 15^th week of gestation,the fetus is covered with fine hair called

• A)vernix.
• B)lunelle.
• C)fontanelle.
• D)lanugo.

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Definitions:

Pitch

The perception of the frequency of a sound, determining how high or low a tone sounds.

Frequency

The rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves) or in an electromagnetic field (as in radio waves and light), usually measured in hertz.

Hue

A specific shade of a color perceived by the eye, determined by its wavelength of light.

Timbre

The quality of a musical note, sound, or tone that distinguishes different types of sound production, such as voices or musical instruments.