A Swab of a Fluid Collection from an Edematous,red,and Separating

question 7

Multiple Choice

A swab of a fluid collection from an edematous,red,and separating postoperative wound is sent to the microbiology lab for culture,sensitivity,and Gram stain.The surgeon expects that the result will show a gram-positive coccus.This Gram stain designation is based on the:

• A) ability to cause plasma to coagulate and form a microscopic clot.
• B) physical and chemical properties of the cell wall.
• C) formation of aerobic clustered spheres.
• D) appearance of a thicker and brownish colored cell wall.

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Definitions:

C≡C Stretch

A vibrational mode observed in infrared spectroscopy, characteristic of the stretching of a carbon-carbon triple bond.

C=C Stretching

A vibrational movement in infrared spectroscopy, where the carbon-carbon double bond length changes, useful in identifying unsaturated compounds.

Wavenumber

The reciprocal of the wavelength of a wave, often used in spectroscopy to describe the energy levels of molecules.

Intense IR Absorption

A strong absorption of infrared light, indicating the presence of certain bond vibrations within a molecule, observed in infrared spectroscopy.