Glucose Is Transported from the Intestinal Lumen into Epithelial Cells

question 31

Multiple Choice

Glucose is transported from the intestinal lumen into epithelial cells through ________ and from the intestinal epithelium into circulation by ________.

• A) facilitated diffusion; primary active transport
• B) cotransport with sodium; cotransport with sodium
• C) cotransport with sodium; facilitated diffusion
• D) active transport; active transport

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Definitions:

Motor Unit

A single motor neuron and all the muscle fibers it innervates, functioning as a single operational unit in muscle contraction.

Neuron

A specialized cell transmitting nerve impulses; a nerve cell.

Muscle Fiber

A single muscle cell, known for its long, cylindrical shape and role in contracting to facilitate body movement.

Sarcomere

The fundamental unit of muscle fiber responsible for muscular contraction, delineated by Z lines.