digestion – Flashcards

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question
Which of these descriptions best matches the term myenteric plexus? A) loose connective tissue layer containing blood vessels B) secretes a watery fluid C) component of mucosa D) coordinates activity of muscularis externa E) sensory neural network
answer
E) sensory neural network
question
The enzyme pepsin digests A) proteins. B) lipids. C) nucleic acids. D) carbohydrates. E) vitamins.
answer
A) proteins.
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The lamina propria and mucous epithelium are components of the A) adventitia. B) serosa. C) submucosa. D) mucosa. E) muscularis mucosa.
answer
D) mucosa
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Each of the following organs is a component of the digestive tract, except the A) colon. B) pharynx. C) esophagus. D) bladder. E) stomach
answer
D) bladder
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The fusion of the hepatic duct and the cystic duct forms the A) Common bile duct B) hepatic portal vein. C) common pancreatic duct. D) bile canaliculus. E) porta hepatis
answer
A) Common bile duct
question
Lacteals A) secrete digestive enzymes. B) produce new cells for the mucosa of the small intestine. C) produce milk. D) carry absorbed fats to the lymphatic system. E) increase the surface area of the mucosa of the small intestine.
answer
D) carry absorbed fats to the lymphatic system.
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Each of the following is a function of the liver, except A) synthesis and secretion of bile. B) antibody production. C) inactivation of toxins. D) synthesis of plasma proteins. E) storage of glycogen and iron reserves
answer
B) antibody production.
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________ are blade-shaped teeth that function in cutting or clipping. A) Bicuspids B) Cuspids C) Canines D) Molars E) Incisors
answer
E) Incisors
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________ pair(s) of salivary glands secrete into the oral cavity. A) Four B) One C) Three D) Six to Ten E) Two
answer
C) Three
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________ are teeth with flattened crowns and prominent ridges that are adapted for crushing and grinding. A) Cuspids B) Eye teeth C) Canines D) Dentins E) Molars
answer
E) Molars
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The region of the stomach that empties into the duodenum is the A) pylorus. B) fundus. C) cardia. D) antrum. E) body.
answer
A) pylorus.
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Bile is stored in the A) liver. B) gallbladder. C) duodenum. D) appendix. E) pancreas.
answer
B) gallbladder.
question
The gastroileal reflex A) empties the duodenum. B) moves some chyme to the colon. C) promotes gastric secretion. D) is relayed through the CNS. E) decreases peristaltic activity
answer
B) moves some chyme to the colon.
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