Cervical Barriers

question 72

Multiple Choice

Cervical barriers:

• A) have been used in some form since at least the 18th century.
• B) were invented in the 1970s.
• C) provide the best protection against STIs other than abstinence.
• D) most often are permanently implanted in the vagina.

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Definitions:

Light Waves

Electromagnetic waves that are visible to the human eye, responsible for the phenomenon of sight.

Violet

A color at the end of the visible spectrum of light, next to blue and opposite of red.

Blue

A primary color perceived when light with a dominant wavelength between approximately 450 and 495 nanometers is detected by the eye.

Sensory Responsiveness

The degree to which an individual reacts to or perceives sensory stimuli from the environment.