Nokea
Infants' gastric juice contains
- A. nuclease, pepsinogen, lipase
- B. maltase, pepsinogen, rennin
- C. amylase, rennin, pepsinogen
- D. pepsinogen, lipase, rennin
Correct Answer: A
Rationale: The correct answer is A because infants' gastric juice contains nuclease, pepsinogen, and lipase. Nuclease helps in breaking down nucleic acids, pepsinogen is the precursor of pepsin which digests proteins, and lipase digests fats. This combination of enzymes is essential for the digestion of various macromolecules in infants.
Choice B is incorrect because maltase is an enzyme that breaks down maltose (a sugar), which is not typically found in gastric juice. Rennin is an enzyme that helps in digesting milk protein, which is more common in the stomach of newborn mammals, but not in human infants.
Choice C is incorrect because amylase is an enzyme that breaks down carbohydrates and is usually found in saliva, not gastric juice. Rennin and pepsinogen are not typically present in infants' gastric juice.
Choice D is incorrect because while pepsinogen and rennin are enzymes found in gastric juice, lip
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When monitoring the food intake of a client with Crohn's disease, the nurse observes that the client does not eat most of the food serve The nurse learns that the client finds the food unappetizing. Which of the following steps should the nurse take to address this issue?
- A. Explain to the client the benefits of eating the prescribed food
- B. Request the dietitian to suggest more acceptable food
- C. Provide the client total parenteral nutrition and lipid infusions
- D. Provide the client elemental diet formula and 5-ASA medications
Correct Answer: B
Rationale: The correct answer is B. Request the dietitian to suggest more acceptable food. This step is appropriate because it involves seeking help from a professional who can provide tailored dietary recommendations based on the client's preferences and restrictions. The dietitian can work with the client to identify foods that are both appetizing and suitable for managing Crohn's disease.
Explanation for why the other choices are incorrect:
A: Explaining the benefits of eating the prescribed food may not address the client's issue of finding the food unappetizing.
C: Providing total parenteral nutrition and lipid infusions is an extreme measure and should only be considered when all other options have been exhausted.
D: Providing elemental diet formula and 5-ASA medications may not address the client's immediate concern of finding the food unappetizing.
Which of the following statements about the stomach is FALSE?
- A. there are no enzymes secreted in the stomach to digest carbohydrate
- B. pepsin (from pepsinogen) is released to digest proteins
- C. amino acids are absorbed through the stomach wall and go directly to the liver
- D. the appetite regulatory peptide, ghrelin, is released by the stomach
Correct Answer: C
Rationale: The correct answer is C because amino acids are not absorbed through the stomach wall; they are absorbed in the small intestine. In the stomach, gastric juices break down proteins into peptides. Option A is incorrect because the stomach secretes pepsin to digest proteins. Option B is also incorrect as pepsinogen is converted to pepsin for protein digestion. Option D is incorrect since ghrelin, the appetite hormone, is indeed released by the stomach.
You were able to collect the chyme from the small intestine and isolate the various enzymes. Most of the enzymes would have been produced by the
- A. stomach.
- B. liver.
- C. pancreas.
- D. small intestine.
Correct Answer: C
Rationale: The correct answer is C: pancreas. The pancreas is responsible for producing various digestive enzymes such as proteases, lipases, and amylases that aid in breaking down nutrients in the small intestine. These enzymes are released into the small intestine to further digest chyme. The stomach (A) primarily produces gastric juices, not digestive enzymes. The liver (B) produces bile, which helps in fat digestion but is not classified as an enzyme. The small intestine (D) absorbs nutrients but does not produce the majority of digestive enzymes.
A hiatal hernia is a weakness in the _____ muscle, which allows a portion of the digestive tract to enter the thoracic cavity.
- A. diaphragm
- B. stomach
- C. intestinal
- D. thoracic wall
Correct Answer: A
Rationale: The correct answer is A: diaphragm. The diaphragm is a dome-shaped muscle that separates the thoracic and abdominal cavities. A hiatal hernia occurs when the stomach pushes through the opening in the diaphragm known as the esophageal hiatus, allowing a portion of the stomach to enter the thoracic cavity. The other choices, B: stomach, C: intestinal, and D: thoracic wall, are incorrect because a hiatal hernia specifically involves a weakness in the diaphragm muscle, not in these other structures. The stomach is the organ affected by the hernia, but the primary issue lies in the diaphragm's weakness. The intestinal and thoracic wall choices are not directly related to the development of a hiatal hernia.
A client with an ileostomy wants to know why to avoid fibrous vegetables. What should be the nurse's response?
- A. They cause gas formation.
- B. They cause stomal obstruction.
- C. They are difficult to digest.
- D. They increase the risk of diarrhea.
Correct Answer: B
Rationale: The correct answer is B because fibrous vegetables can potentially cause stomal obstruction in clients with an ileostomy due to their indigestible nature, leading to blockages in the stoma. This can result in severe complications and require medical intervention. Gas formation (choice A) is a common issue with high-fiber foods but is not specific to fibrous vegetables. Fibrous vegetables are not necessarily difficult to digest (choice C) for most individuals, although they may be harder for those with reduced gut function. While fibrous vegetables may contribute to loose stools, they do not directly increase the risk of diarrhea (choice D) in the same way they can cause stomal obstruction.