What Is Peristalsis

question 54

Multiple Choice

What is peristalsis?

• A) A single contraction in response to a single stimulus of a muscle fiber
• B) A sustained contraction of a muscle fiber
• C) Wavelike smooth muscle contraction
• D) Contraction of progressively more motor units as stimulation strength increases
• E) The smallest strength of stimulus that will trigger a contraction of skeletal muscle fibers

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Definitions:

Simple Reflex

A basic, automatic response to a stimulus that does not involve any conscious decision, such as the knee-jerk reaction.

Tertiary Circular Reactions

The purposeful adaptation of established schemes to new situations.

Visually Track

The ability to follow the movement of objects with one's eyes, an essential feature of visual perception.

Tertiary Circular Reaction

A cognitive development stage in babies between 12 and 18 months where they experiment with new behaviors to see results, showing an early form of trial-and-error learning.