Possible Causes of Sinusitis Include

question 16

Multiple Choice

Possible causes of sinusitis include:

• A) blowing one's nose.
• B) tooth infections.
• C) air pollution.
• D) all of the above.

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Definitions:

Haworth Structure

A way of depicting cyclic sugars in a planar ring form, useful in illustrating the stereochemistry of the molecule.

Ethyl β-D-Galactopyranoside

A chemical compound that consists of ethyl and galactose molecules, where the galactose component is in the pyranose ring form and the anomeric carbon is in the beta configuration.

Methyl Glycoside

A compound resulting from the reaction of a sugar with methanol where the sugar's anomeric carbon is linked to a methoxy group.

Galactose

A simple sugar (monosaccharide) that, together with glucose, forms lactose, the principal sugar in milk.