Each Is True of Swallowing and Processing Food,except One

question 8

Multiple Choice

Each is true of swallowing and processing food,except one.Which is the exception?

• A) The swallowing reflex moves a bolus into the esophagus.
• B) A bolus is a mass of food.
• C) The bolus is transported to the stomach by osmosis and gravity.
• D) The bolus penetrates the diaphragm through the esophageal hiatus.
• E) The lower esophageal sphincter relaxes to permit food into the stomach.

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Definitions:

Electrical Conduction

The movement of electrically charged particles through a transmission medium.

Sodium Ions

Positively charged particles of sodium, essential in the body for maintaining cellular function, nerve impulses, and fluid balance.

Anesthetic Drugs

Substances used to induce anesthesia, rendering the patient insensible to pain.

Novocain

A synthetic compound used as a local anesthetic in medical and dental procedures; it is often substituted for safer and more effective anesthetics today.