Practice Exam for Test 2 Chapter 15

Which of the following processes is NOT associated with gastrointestinal function?

Which is NOT a function performed by saliva?

A patient recently had bariatric surgery which removed 85% of stomach tissue and left them with a much reduced stomach volume. Which of the following is TRUE of the patient post-surgery?

Which occurs mainly in the small intestine?

What structure secretes the enzyme that breaks down starch to smaller carbohydrates?

An individual has been diagnosed with pancreatic cancer. The first treatment is to remove 90% of pancreatic tissue surgically. Due to the loss of exocrine tissue, which of the following foods will the patient have more difficulty digesting post-surgery?

Which of the following statements regarding digestion and absorption of carbohydrates is TRUE?

You’re going hiking and want to pack emergency food in case you get lost or the hike takes longer than you anticipate. Your goal is to pack a food that will have the biggest increase on your blood glucose level to be able to supply your hiking muscles with glucose for cellular respiration. Which of the following foods will lead to the biggest and most immediate increase in blood glucose?

The main source of enzymes that cleave disaccharides into monosaccharides is

Which of the following molecules crosses the luminal membrane of intestinal cells by facilitated diffusion?

An individual is taking antacids every day. This habit is raising the stomach and duodenal pH close to neutral. Which of the following enzymes may have decreased activity?

Which of the following statements regarding protein digestion and absorption is TRUE?

A patient has their gall bladder removed after developing several large gall stones. After surgery, they cannot release large batches of bile into the duodenum, instead, bile is added slowly in small amounts. What nutrient group might the patient have trouble digesting when consumed in larger quantities?

Which accurately describes lipase?

Which of the following statements about the transport of the absorbed products of fat digestion is TRUE?

A patient has their gall bladder removed after developing several large gall stones. After surgery, they cannot release large batches of bile into the duodenum, instead, bile is added slowly in small amounts. Which of the following might be TRUE?

Which of these is a function of intrinsic factor?

A patient has just been diagnosed with anemia. The doctor kept talking about the digestive system and some item that was not being produced in adequate amounts, but the patient can’t remember what digestive secretion is to blame for the anemia. Which of the following is the most likely culprit?

Which is NOT true about receptors that mediate digestive reflexes?

Which of the following statements about neural control of digestion is FALSE?

Which of the following statements regarding neural regulation of gastrointestinal function is TRUE?

You are a new pediatrician seeing a patient diagnosed with a disease called megacolon. Back in medical school, you learned that megacolon can be characterized by partial paralysis of the nerves found within the wall of the GI system. Which of the following is likely to be among the patient's symptoms?

Which of the following statements regarding hormonal regulation of gastrointestinal function is TRUE?

Which of the following plays a central role in stimulating the secretion of the hormone gastrin?

Which of the following would lead to an increase in the secretion of gastrin?

Which is caused by increased levels of the hormone cholecystokinin?

Which of the following statements concerning secretin is correct?

Which of the following statements regarding lipid digestion and absorption is TRUE?

An individual is born with a mutation in the gene for CCK and produces and secretes an inactive form of this hormone. Which of the following would be TRUE of their digestion?

Which is TRUE regarding the three phases of the control of HCl secretion?

Which of the following pathways is activated during the cephalic phase of gastrointestinal control?

During the cephalic phase of gastric stimulation, which of the following does NOT occur?

Which of the following is NOT a part of the swallowing reflex?

The type of motility occurring in the esophagus during swallowing is called

Which of these are secretions of the parietal cells of the gastric mucosa?

Which of the following is secreted by the chief cells of the gastric mucosa?

Which occurs during the secretion of hydrochloric acid by gastric epithelial cells?

Which is TRUE regarding the secretion of HCl in the stomach?

During the contractions of gastric emptying

Which of the following is the most potent inhibitor (directly or indirectly) of gastric motility and emptying?

Which of the following breakfasts would likely remain in the stomach longest?

Segmentation of the small intestine

The primary kind of motility in the stomach during digestion of a meal is

You are working for an educational video company and you’ve been asked to go to the hospital imaging center to obtain video of segmentation. The imaging center technician asks you where in the GI tract she should image and when during digestion? You tell her that to obtain the best video of segmentation she should record

Which is TRUE about gastric motility?

Bicarbonate is

Following diagnosis with pancreatic cancer, a patient had a large portion of the pancreas removed. All of the following will now be found in lower amounts in the patient's GI tract, except one. Which of the following will NOT be affected?

Which of the following statements about pancreatic enzymes is FALSE?

Following diagnosis with pancreatic cancer, a patient had a large portion of the pancreas removed. Which of the following substances will now be found in lower amounts?

Elizabeth suffers from a gastric ulcer. She experiences pain during the times when acid is released into the stomach. Which of the following times is Elizabeth likely to experience the most pain?

Bile is synthesized and secreted by the

A person without a gallbladder

Kim had her gallbladder removed last month and has been experiencing some changes to her digestion. One thing that is particularly noticeable is that she has noticed

In which region(s) of the GI tract do peristaltic contractions occur?

The primary kind of motility in the small intestine during digestion of a meal is

Elizabeth has been diagnosed with a gastric ulcer. Carl has been diagnosed with a duodenal ulcer. Both of them are

Julia comes to see her doctor with a variety of symptoms. Her doctor eventually diagnoses her with gallstones. Which of the following was NOT one of Julia’s symptoms?

Which of the following would be most likely to cause metabolic alkalosis?

There is an E. coli outbreak in the town of Springfield when almost all the Springfield residents contracted food poisoning at a town hall meeting. E. coli causes severe diarrhea. The local Springfield pharmacy is ordering supplies to stock its shelves as its customers work their way through the outbreak. Which of the following would be helpful for the pharmacy to stock?

Which of the following would be most likely to cause metabolic acidosis?

Lactose intolerance

Barry’s children seem to be struggling often with constipation. To help prevent it, their pediatrician recommends

A bacterium that has been associated with ulcers is

The enzyme lactase

Which of the following is NOT characteristic of inflammatory bowel disease (IBD)?

The exact causes of inflammatory bowel diseases continue to be explored, but it is relatively clear that