Which is a common age-related physical change that may affect digestion and food intake?
a. Loss of the majority of taste buds
b. Decreased motility in the esophagus
c. Decreased cholecystokinin secretion
d. Loss of smell
B
Decreased motility in the esophagus is a common age-related change and can affect the ease of swallowing. A loss of the majority of taste buds is not a common age-related physical change. A small number of taste buds are lost beginning around 60 years of age, but it does not affect all flavors equally. Decreased cholecystokinin secretion is not common; however, increased chole-cystokinin secretion is. A loss of smell is not a common age-related physical change.
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