Which of the Following Changes in the Digestive System Occurs

question 84

Multiple Choice

Which of the following changes in the digestive system occurs with advancing age?

• A) a decrease in smooth tone
• B) weaker peristaltic contractions
• C) a thinner epithelial lining
• D) a reduction in epithelial stem cell division
• E) all of the above

---

Definitions:

Spectral Sensitivity

The responsiveness of a sensory system to various wavelengths of light, often used in describing visual perception.

Rod Vision

Rod vision refers to the aspect of vision that allows living organisms to see in low light conditions, enabled by rod cells in the retina that are more light-sensitive than cone cells.

Brightness Contrast

The difference in light intensity which makes an object distinguishable from others or from its background.

Mach Bands

An optical illusion in which the contrast between edges where two different shades meet appears exaggerated.