Gastrointestinal System Worksheet Questions

Which organ is not part of the gastrointestinal tract?

• Liver

• Esophagus

• Large intestine

• Stomach

• Oral cavity

Lipid molecules that are absorbed from the GI tract enter

• mesenteric veins.

• lymphatic capillaries.

• the liver.

• mesenteric arteries.

The term "canines" describes the teeth that

• bear dental cusps for cutting and grinding.

• are most anterior, used for slicing and cutting.

• are lateral to the incisors, used for puncturing and tearing.

• are only found as permanent teeth.

The term "retroperitoneal" may be used to describe the location of certain abdominal organs. This means that such organs are located

• deep to the visceral peritoneum.

• posterior to the parietal peritoneum.

• in the peritoneal cavity.

• between folds of the parietal peritoneum.

• between the visceral and parietal layers of the peritoneum.

Stenosis (constriction) of the pyloric sphincter would interfere with

• mucus secretion.

• passage of a bolus into the stomach.

• peristalsis.

• passage of bile and pancreatic juice into the duodenum.

• passage of chyme into the duodenum.

The inferior esophageal sphincter is also known as the

• cardiac sphincter.

• pyloric sphincter.

• pharyngoesophageal sphincter.

• esophageal hiatus.

• pharyngealgastric sphincter.

Protein digestion begins in the

• large intestine.

• small intestine.

• mouth.

• stomach.

• esophagus.

Tags

NGSS.MS-LS1-7

The pharynx is lined with a keratinized epithelium to protect against abrasion.

• True

• False

Villi

• are found throughout the gastrointestinal tract.

• All of the choices are correct.

• increase surface area in the small intestine.

• generate movement of materials in the large intestine.

• contain both smooth and skeletal muscle fibers.

Mastication is a process that facilitates

• swallowing of food, and it increases the surface area of the food for exposure to enzymes.

• propulsion of materials through the intestine, and it involves simultaneous secretion of enzymes.

• absorption of nutrients into the bloodstream, and it involves carrier proteins in the epithelium.

• mixing of food within the stomach, and it occurs with simultaneous hormone secretion there.