The prevalence of delirium among older hospitalized patients ranges from ____ to ____

There are many substances in the brain and body that trigger hunger. This one, however, triggers hunger even if giving into that hunger involves eating bitter foods or receiving shocks to the mouth during eating

a. MCH b. Orexin c. Ghrelin d. NPY

The only universal behavior change in aging that has been discovered is the fact that older adults a. show improvements in vigilance

b. exhibit dysphoria. c. lose autobiographical memories. d. have slower reaction times.