ATI LPN
Nutrition For PN Nursing ATI
1. What are the small, fingerlike projections into the intestinal lumen called?
- A. Villi
- B. Goblets
- C. Lacteals
- D. Polyps
Correct answer: A
Rationale: The correct answer is A: Villi. Villi are small fingerlike projections in the intestine that increase the surface area for nutrient absorption. Goblets (choice B) are mucus-secreting cells in the intestines. Lacteals (choice C) are lymphatic vessels in the small intestine that absorb dietary fats. Polyps (choice D) are abnormal tissue growths.
2. When assessing a client with diabetes mellitus experiencing DKA, which of the following findings should the nurse expect?
- A. Tremors
- B. Urine retention
- C. Kussmaul respirations
- D. Bradypnea
Correct answer: C
Rationale: Kussmaul respirations are a type of deep and labored breathing pattern associated with severe metabolic acidosis, commonly observed in diabetic ketoacidosis (DKA). In DKA, the body tries to compensate for the acidic environment by increasing the respiratory rate, resulting in Kussmaul respirations. This helps eliminate excess carbon dioxide and reduce the acidity of the blood. Tremors (Choice A) are not typically associated with DKA. Urine retention (Choice B) is not a common finding in DKA; in fact, clients with DKA often have polyuria due to the osmotic diuresis caused by high blood glucose levels. Bradypnea (Choice D), which is abnormally slow breathing rate, is not a characteristic finding in DKA where the respiratory rate is usually increased to compensate for metabolic acidosis.
3. The healthcare provider is reinforcing teaching for a client who is starting statin therapy. Which dietary advice should the healthcare provider give?
- A. Eat more whole grains.
- B. Avoid foods high in potassium.
- C. Avoid grapefruit and grapefruit juice.
- D. Increase intake of dairy products.
Correct answer: C
Rationale: The correct answer is C: Avoid grapefruit and grapefruit juice. Grapefruit and grapefruit juice can interfere with the metabolism of statins, leading to an increased risk of adverse effects. It is crucial for clients on statin therapy to avoid grapefruit products to ensure the medication's effectiveness and safety. Choices A, B, and D are incorrect because they do not directly impact the metabolism or effectiveness of statin therapy.
4. The primary responsibility for nutrition care of people in the community belongs to the:
- A. community physician.
- B. public health nurse.
- C. public health nutritionist.
- D. registered dietitian.
Correct answer: C
Rationale: Public health nutritionists work within communities to ensure that populations have access to nutritional resources. They focus on promoting good nutrition, developing programs, and educating the public about healthy eating habits. While community physicians, public health nurses, and registered dietitians may also play roles in promoting nutrition in the community, the primary responsibility for nutrition care typically falls under the purview of public health nutritionists.
5. Two amino acids are chemically joined by a:
- A. double bond.
- B. hydrogen bond.
- C. carboxyl bond.
- D. peptide bond.
Correct answer: D
Rationale: The correct answer is D, peptide bond. A peptide bond is formed through a dehydration synthesis reaction between the amine group of one amino acid and the carboxyl group of another amino acid. This bond is crucial in protein synthesis. Choices A, B, and C are incorrect. A double bond involves sharing two pairs of electrons, a hydrogen bond is a weak attraction between a hydrogen atom and an electronegative atom, and a carboxyl bond is not a common term in biochemistry.
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