Digestive System

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What is the function of the small intestine?

Absorption of nutrients

Which of the following is a function of the digestive system?

Absorption of nutrients

Which of the following is a function of hydrochloric acid in the digestive system?

Activates pepsinogen

Which of the following correctly lists the layers of the digestive system from the outer layer to the inner layer?

Adventitia → muscularis → submucosa → mucosa

What is the role of pancreas in the digestive system?

Chemical digestion

The large intestine is responsible for _______________.

Compaction of waste into feces

What is the role of bile in the digestive system?

Digestion of fat

Which of the following is not a function of saliva?

Digests protein

Which part of the GI tract has skeletal muscle in its muscular layer?

Esophagus

Which of the following nutrients are absorbed into the lymph by lacteals?

Fats

Which of the following correctly lists organs that are part of the digestive system?

Liver, pancreas, large intestine, and rectum

The process of breaking down food into smaller particles in the mouth is called ________.

Mastication

Which of the following correctly describes the passage of food from the mouth to the anus?

Mouth → pharynx → esophagus → stomach → duodenum → jejunum → ileum → ascending colon → transverse colon → descending colon → sigmoid colon → rectum → anus

Which part of the pharynx is not a part of the digestive system?

Nasopharynx

The bolus is formed in which part of the digestive system?

Oral cavity

Which of the following correctly describes chyme?

Partially digested food mixed with gastric juice

Which of the following intestinal enzymes is correctly paired with its function?

Peptidase-polypeptide

Which organ of the digestive system is not covered by the peritoneum?

Pharynx

What is the function of the mucus-bicarbonate barrier?

Protection of the gastric mucosa

Chyme is produced in the ____________.

Stomach


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