ATI RN
Gastrointestinal Test Questions Questions
Question 1 of 5
Which area has the greatest amount of enzyme activity?
Correct Answer: A
Rationale: The duodenum has the greatest amount of enzyme activity among the choices given. This is because the duodenum is the first part of the small intestine where most digestion occurs. It receives bile from the liver and pancreatic enzymes, which aid in breaking down food molecules. The colon, jejunum, and ileum are parts of the small intestine but have less enzyme activity compared to the duodenum. The colon mainly absorbs water and electrolytes, while the jejunum and ileum are involved in nutrient absorption rather than enzyme activity. Therefore, the duodenum is the correct choice based on its role in digestion and enzyme secretion.
Question 2 of 5
A client who is scheduled for a barium swallow asks the nurse why a laxative is necessary following the procedure. Which of the following responses should the nurse make?
Correct Answer: B
Rationale: The correct answer is B: The laxative helps eliminate the barium. After a barium swallow, the client needs to expel the barium from their system to prevent barium toxicity. The laxative helps to move the barium through the digestive system and facilitate its elimination. Choices A, C, and D are incorrect because preventing magnesium absorption, facility protocol, and changing the color of barium are not reasons for the necessity of a laxative after a barium swallow.
Question 3 of 5
A nurse is assisting a group of clients in an outpatient clinic. For which of the following clients should the nurse anticipate scheduling a colonoscopy?
Correct Answer: C
Rationale: The correct answer is C because having a first-degree relative who died of colon cancer puts the client at an increased risk for developing colon cancer. This indicates the need for a colonoscopy for early detection and preventive measures. A: A 56-year-old who had a colonoscopy 6 years ago is not a priority for immediate scheduling. B: A 34-year-old with new onset constipation may require further assessment but not necessarily a colonoscopy. D: A 51-year-old attending an annual physical exam without additional risk factors does not warrant immediate colonoscopy.
Question 4 of 5
Peptic ulcer disease may be caused by which of the following?
Correct Answer: A
Rationale: The correct answer is A: Helicobacter pylori. H. pylori is a common bacterium known to cause peptic ulcer disease by damaging the protective lining of the stomach and small intestine. This bacterium is a major risk factor for developing peptic ulcers. Clostridium difficile (B) is associated with antibiotic-associated diarrhea, not peptic ulcers. Candida albicans (C) is a fungal infection that can cause oral thrush or vaginal yeast infections, not peptic ulcers. Staphylococcus aureus (D) can cause skin infections, food poisoning, or pneumonia, but it is not a common cause of peptic ulcers.
Question 5 of 5
The outer tunic of the esophagus grades into the surrounding connective tissue and is called the tunica
Correct Answer: D
Rationale: The correct answer is D: adventitia. The esophagus lacks a serosa layer, so its outermost layer is called adventitia, which blends with surrounding connective tissue. The mucosa (A) is the innermost layer, submucosa (B) is between mucosa and muscular layers, and serosa (C) is a serous membrane covering organs in the abdominal cavity. Therefore, in the esophagus, the outer tunic is termed adventitia due to its connection with the surrounding tissues.