The liver is a major storehouse for all of the following except one. Which one of the following substance or substances are not stored in the liver:

Correct Answer: B

Rationale: The correct answer is B: calcium. The liver stores copper, iron, vitamins A, B12, D, E, and K, and glycogen. Calcium is primarily stored in bones and teeth, not in the liver. The liver's main functions are to regulate blood sugar levels, detoxify the body, produce bile, and store essential nutrients and energy sources. Calcium is mainly stored in the bones and teeth for structural support and plays a crucial role in muscle function, nerve transmission, and blood clotting. Therefore, the liver does not serve as a major storehouse for calcium.

Correct Answer: A

Rationale: The correct answer is A because it accurately states that the products of protein digestion can be absorbed as free amino acids or as di- or tripeptides. This is true as the final breakdown products of proteins, whether they are individual amino acids or smaller peptide chains, can be absorbed through the intestinal wall into the bloodstream. Choice B is incorrect because not all proteins are digested equally in the stomach, and the efficiency of digestion can vary based on factors like protein structure and presence of inhibitors. Choice C is incorrect because chymotrypsin, elastase, and carboxypeptidase A are actually produced and secreted by the pancreas, not the gastric zymogenic cells. Choice D is incorrect because there are more than 14 different amino acid transporters involved in the absorption of digested protein products, not just one. Therefore, choice A is the most correct statement regarding protein digestion and absorption.

Correct Answer: B

Rationale: Correct Answer: B Rationale: - Brunner's glands secrete an alkaline mucous-rich fluid for protection, not digestive enzymes. - A is correct as Brunner's glands are found in the duodenal wall. - C is correct as they are located in the submucosal layer. - D is correct as they empty secretions into the crypts of Lieberkuhn, aiding in digestion.

Correct Answer: B

Rationale: An increase in the ratio of glucagon to insulin signals a state of low blood glucose, promoting lipolysis in adipose tissue to release fatty acids for energy production. Glucagon activates hormone-sensitive lipase in adipose tissue, leading to increased breakdown of triglycerides. This process releases fatty acids and glycerol into the bloodstream to be used as fuel. Therefore, choice B is correct. Choices A and C are incorrect as glucagon promotes glucose production in the liver and inhibits glucose uptake by muscle cells, respectively. Choice D is incorrect as the increased glucagon to insulin ratio has a physiological effect on lipolysis.

Correct Answer: B

Rationale: The correct answer is B: Imbalanced Nutrition: Less Than Body Requirements related to nutrient loss. This is the priority nursing diagnosis because the client is underweight and experiencing significant nutrient loss due to the high frequency of diarrhea stools. Addressing the nutritional needs is crucial to prevent further weight loss and malnutrition. Choice A is incorrect because the issue is not just irritated bowel causing diarrhea but also nutrient loss leading to weight loss. Choice C is incorrect as the abdominal pain is not the primary concern in this case. Choice D is incorrect because the client's main issue is related to physical symptoms (nutrient loss and weight loss) rather than coping with the chronic illness.