quiz 4

Bernetta has an autoimmune disease that affects salivary glands. As a result of this condition, Bernetta has trouble swallowing. digests food too rapidly. cannot tolerate eating cold foods. develops numerous stomach ulcers.

has trouble swallowing.

The _______ is the middle segment of the small intestine. jejunum duodenum ileum appendix

jejunum

Chyme is the material absorbed by lacteals that the liver must detoxify and excrete. large particle that transports lipids throughout the bloodstream. semisolid liquid formed by the partial digestion of food in the stomach. organelle that maintains fluid balance within intestinal cells.

semisolid liquid formed by the partial digestion of food in the stomach.

The surface area of the small intestine is about the size of a regulation singles tennis court. a college football field. a professional soccer field. half of a regulation basketball court.

a regulation singles tennis court.

Which of the following digestive hormones is most important for digestion of fat as it stimulates the release of bile from the gallbladder into the small intestine? Cholecystokinin Secretin Leptin Gastrin

Cholecystokinin

Which of the following is not a function of cholecystokinin? Control the secretion of mucus by the mucus cells Stimulate the contraction of the gallbladder to release the bile Trigger the release of enzyme-rich pancreatic juice into the small intestine Control the flow of chyme from the stomach to the small intestine

Control the secretion of mucus by the mucus cells

Which of the following conditions is characterized by inflammation and swelling of the intestinal tract? Cystic fibrosis Crohn's disease Gastroesophageal reflux disease (GERD) Peptic ulcer

Crohn's disease

Which of the following cells of the large intestine secrete mucus? Goblet cells Parietal cells Chief cells Pancreatic cells

Goblet cells

Which of the following microbes is associated with the development of most stomach ulcers? E. coli S. aureus Correct Answer H. pylori C.botulinum

H. pylori

Which of the following vitamins is not produced by the microflora in the large intestine? Vitamin C Thiamin Vitamin K Vitamin B-12

Vitamin C

Which of the following statements about sphincters is false? When a sphincter relaxes, the passageway closes to prevent movement of GI contents. Sphincters are important for controlling the flow of the contents through the GI tract. Sphincters are thickened regions of circular muscle. Sphincters are essential for normal digestion.

When a sphincter relaxes, the passageway closes to prevent movement of GI contents.

The hormone _______ is secreted in response to food entering the stomach. This hormone stimulates the secretion of HCl and pepsinogen. gastrin secretin cholecystokinin insulin

gastrin

Parietal cells secrete ions that form ________ in the stomach. salivary amylase hydrochloric acid You Answered bile chyme

hydrochloric acid

Leonard has a disease that causes his lacteals to become blocked. Based on this information, his_______ ability to digest proteins is reduced. intestinal tract does not absorb much fat lumen does not allow chyme to enter the small intestine. hepatic portal vein can rupture.

intestinal tract does not absorb much fat.

Marcus has an infection, based on this information you would expect _________ while he has this illness. absorb vitamins more rapidly digest proteins more efficiently loos weight rapidly develop gallstones

loose weight rapidly

The process of digesting food begins in the colon. liver. mouth. esophagus.

mouth

The innermost layer of the wall of the GI tract is the mucosa. lumen. serosa. circular muscle.

mucosa

The ________ cells of the gastric glands synthesize and release intrinsic factor, which is necessary for vitamin B12 absorption. parietal mucous chief pyloric

parietal

The ________ sphincter is located between the stomach and small intestine. pyloric lower esophageal upper esophageal ileocecal

pyloric

Salivary glands secrete amylase, an enzyme that enables a small amount of ________ to be digested in the mouth. fat starch vitamin D protein

starch

Avi's salivary glands do not secrete amylase. As a result of his condition, his body cannot absorb alcohol. cannot begin starch digestion. absorbs too much carbohydrate. cannot swallow food correctly.

cannot swallow food correctly.

Starting as chyme enters the large intestine, which of the following lists the correct order of the sections of the large intestine? Cecum, ascending colon, transverse colon, descending colon, sigmoid colon Ascending colon, transverse colon, descending colon, cecum, sigmoid colon Sigmoid colon, ascending colon, descending colon, transverse colon, cecum Descending colon, cecum, transverse colon, ascending colon, sigmoid colon

Cecum, ascending colon, transverse colon, descending colon, sigmoid colon

Dorothy is an 85-year-old woman who is having difficulty swallowing. Food seems to enter her stomach too slowly. Based on this information, Dorothy probably has a(n) excessive amount of secretory activity within her digestive tract. overgrowth of probiotics in her stomach. blockage caused by undigested fiber deposits in her jejunum. Correct! condition characterized by loss of peristaltic functioning.

condition characterized by loss of peristaltic functioning.

Jared often eats a large dinner about an hour before he lies down to sleep. Based on this information, he may experience symptoms related to Crohn's disease. gastroesophageal reflux disease. chronic constipation. colon cancer.

gastroesophageal reflux disease.

Absorption of _______ occurs in the large intestine. water and minerals water and carbohydrates vitamins and fats minerals and protein

water and minerals