FAQ: Which Of The Following Best Describes The Cephalic Phase Of Digestion?

What best describes the cephalic phase of digestion?

The cephalic phase of gastric secretion occurs before food enters the stomach, especially while it is being eaten. It results from the sight, smell, thought, or taste of food; and the greater the appetite, the more intense is the stimulation.

What is the cephalic phase quizlet?

Prepares the Digestive system before ingestion of food. Stimulation of the senses (sight, smell and taste) or thought of food will activate Parasympathetic Nervous system (via the vagus nerve).

Which of the following is not an accessory organ of digestion that assists the GI tract?

The c. pharynx is not an accessory organ. This is because the pharynx is a portion of the digestive tract. The remaining answer choices all assist in digestion but are not a part of the digestive tract itself.

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What statement does not pertain to the cephalic phase of gastric secretion quizlet?

What statement does NOT pertain to the cephalic phase of gastric secretion? It usually lasts only a few minutes. It is triggered by sensory input, such as sight, as well as mental input, such as thinking about food.

What is the purpose of cephalic phase in digestion?

The cephalic phase of digestion is the stage in which the stomach responds to the mere sight, smell, taste, or thought of food. About 20% of total acid secretion occurs before food enters the stomach.

What causes cephalic phase?

Introduction. The cerebral (or cephalic) phase of digestion, whether triggered by the sight, smell, or thought of food, initiates the digestive process with the salivary and gastric secretory responses mediated via the autonomic nervous system.

What stimulates the gastric and cephalic phase quizlet?

Terms in this set (9) Cephalic phase, Gastric phase, Intestinal phase. What occurs in the cephalic phase? Sight, smell, taste, sounds of food cooking or even thoughts of food trigger the vagus nerve to stimulate gastric secretions and increase gastric motility.

What are the phases of gastric activity?

The process of gastric secretion can be divided into three phases ( cephalic, gastric, and intestinal ) that depend upon the primary mechanisms that cause the gastric mucosa to secrete gastric juice.

What are the 5 phases of digestion?

Figure 2: The digestive processes are ingestion, propulsion, mechanical digestion, chemical digestion, absorption, and defecation. Some chemical digestion occurs in the mouth.

What are the 2 types of digestion?

Digestion is a form of catabolism or breaking down of substances that involves two separate processes: mechanical digestion and chemical digestion. Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion.

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What does digestion refer to?

Digestion is the complex process of turning the food you eat into nutrients, which the body uses for energy, growth and cell repair needed to survive. The digestion process also involves creating waste to be eliminated.

Which is the largest digestive gland in human body?

The liver is the largest gland in the body and is an accessory organ of the disgestive system.

What cells in the gastric pits produce Pepsinogen?

Hydrochloric acid is secreted by parietal cells, pepsinogen is secreted by gastric chief cells and mucus is secreted by mucus neck cells.

Which phase of gastric secretion is stimulated by distention of the stomach?

It builds on the stimulation provided during the cephalic phase. Gastric acids and enzymes process the ingested materials. The gastric phase is stimulated by (1) distension of the stomach, (2) a decrease in the pH of the gastric contents, and (3) the presence of undigested material.

Which acid is produced in the stomach quizlet?

Hydrochloric acid (HCl) is the name of the secretion produced in the stomach that helps break down protein and activates pepsin.

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