The Digestive System Let’s Go! WHO WANTS TO BE AN ANATOMY MILLIONAIRE? The Digestive System Let’s Go!

A digestive organ that is not part of the alimentary canal is the: stomach B: liver C: small intestine D: pharynx

B liver

The digestive organ that is in charge of water reabsorption is the: A: stomach B: small intestine C: large intestine D: nephron

C large intestine

Pancreatic juice is a mixture of digestive enzymes that is released into the ______ (which is the main organ of digestion and absorption) A: pancreas B: small intestine C: stomach D: liver

B small intestine *What region of the small intestine?

The structure in the digestive system that stores bile is the: A: gall bladder B: spleen C: Small intestine D: liver

A gall bladder

Which of the following digestive organs is an accessory organ? A: stomach B: liver C: small intestine D: oral cavity

B liver

Villi are finger-like absorptive projections that are found in the lining of the: A: small intestine B: large intestine C: esophagus D: pancreas

A small intestine

Elimination of indigestible material from the body as feces is: mastication B: peristalsis C: defecation D: indigestion

C defecation

The food that is partially digested in the stomach is known as: A: chyme B: a bolus C: pepsin D: HCl

A chyme

The main portions of the stomach are the fundus, body and the: A: ileum B: duodenum C: sigmoid D: pylorus

D pylorus

Deep folds of the inner lining of the stomach that allow it to stretch are: A: villi B: microvilli C: rugae D: circular folds

C rugae

The layer of the GI tract that is responsible for the actions of segmentation and peristalsis is: A: serosa B: muscularis externa C: mucosa D: submucosa

B muscularis (externa)

Where in the stomach does the most digestive activity occur? body B: fundus C: pylorus D: cardiac region

C pylorus

The valve between the esophagus and stomach is the: A: Ileocecal valve B: pyloric valve C: cardioesophageal valve D: hepatic duct

Cardioesophageal valve

The enzyme that digests proteins when activated is: A: HCl B: lipase C: amylase D: pepsin

D pepsin

Where does the chemical digestion of carbohydrates begin? A: stomach B: small intestine C: oral cavity D: liver

C Oral cavity

Name the organ where the majority of protein digestion begins: stomach B: small intestine C: oral cavity D: esophagus

C stomach

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