Which abbreviation corresponds to gram?

The abbreviation that corresponds to gram is "g." This is a widely accepted standard in both the metric system and scientific contexts for denoting grams, which are a unit of mass. This abbreviation is utilized in various fields, including medicine, nutrition, and chemistry, to measure weight or mass accurately and consistently.

Other options represent different units of measurement: "lb" stands for pound, which measures weight in the avoirdupois system; "pt" represents pint, a unit of volume; and "gal" denotes gallon, another volume measurement. Understanding these abbreviations is crucial for proper dosage calculations and conversions in healthcare settings, ensuring accuracy in medication administration and dietary assessments.