Provides a brief screen of gross olfactory dysfunction. If the examinee misses one or more of the test items, the 40-item Smell Identification Test™ should be administered to more accurately quantify the degree of smell loss. Versions A & B are the basis for the olfaction test of the 2013-2014 US. National Health and Nutrition Examination Survey (NHANES). See Rawal et al. (2015) Chem. Percept. 8,138-148; Liu et al (2016) BMJ Open 2016:6:e013246. Doi:10.1136/bmjopen-2016-013246.