Condoms Have Been ________ in Preventing Certain Skin-To-Skin STIs,such as Herpes.Condoms

question 79

Multiple Choice

Condoms have been ________ in preventing certain skin-to-skin STIs,such as herpes.Condoms have been ________ in preventing transmission of HIV.

• A) of limited protective value;of limited protective value
• B) about 80 percent effective;about 80 percent effective
• C) about 80 percent effective;of limited protective value
• D) of limited protective value;about 80 percent effective

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Definitions:

Heptane

A straight-chain alkane with the formula C7H16, commonly used as a nonpolar solvent in laboratories.

IR Spectrum

An infrared spectrum, a graph displaying the absorption of infrared radiation by a substance at different frequencies, useful in identifying molecular structures.

Peak Intensity

A measure of the strength or amplitude of a peak in a spectrum, indicating the relative quantity of the analyte present.

IR Spectrometer

An instrument used to measure the infrared light absorbance or transmittance of a substance, providing information about molecular vibrations.