ATI RN
ATI Nutrition Proctored Exam
1. Has Healthy People (HP 2020), issued by the U.S. Department of Health and Human Services, resulted in a reduction of deaths from cardiovascular disease, stroke, and some cancers, as well as decreased dental caries in children aged 2 to 4 years and adults aged 53 to 44 years?
- A. Yes, both statements are true.
- B. No, both statements are false.
- C. The first statement is true; the second is false.
- D. The first statement is false; the second is true.
Correct answer: B
Rationale: Both statements are false. While Healthy People (HP 2020) has contributed to a reduction in deaths from cardiovascular disease, stroke, and some cancers, it did not result in decreased dental caries in children aged 2 to 4 years and adults aged 53 to 44 years. Therefore, the correct answer is B. Choice A is incorrect because the second statement is false. Choice C is incorrect as the first statement is also false. Choice D is incorrect as the second statement is false.
2. Medications that reduce stomach acidity can impair the absorption of _____.
- A. calcium
- B. iron
- C. vitamin D
- D. vitamin C
Correct answer: B
Rationale: Reduced stomach acidity impairs the absorption of iron, as an acidic environment is necessary for optimal iron absorption in the stomach. Choices A, C, and D are incorrect as medications that reduce stomach acidity typically do not significantly affect the absorption of calcium, vitamin D, or vitamin C.
3. Which of the following is reflected in an ECG due to hypokalemia?
- A. Tall T waves and Pathologic Q wave
- B. Widening QRS Complex and U wave
- C. None of the above
- D. Both A and B
Correct answer: B
Rationale: Hypokalemia, a condition characterized by low levels of potassium in the blood, is reflected in an ECG by a widening QRS Complex and a U wave. This is because potassium plays a key role in the electrical activity of the heart, and its deficiency can lead to abnormalities in the heart's rhythm as represented by these specific changes on the ECG. Choice A is incorrect as tall T waves and pathologic Q waves are more commonly associated with hyperkalemia or myocardial infarction, respectively, rather than hypokalemia. Choices C and D are also incorrect as they do not accurately reflect the ECG changes caused by hypokalemia.
4. Dietary fiber has been recommended for its possible benefits in reducing heart disease by lowering blood cholesterol. How is fiber thought to play its role in lowering blood cholesterol?
- A. Insoluble fiber binds with cholesterol in the large intestine and is excreted in feces
- B. Viscous fiber binds with bile in the intestine and is excreted in feces
- C. Soluble fiber binds with cholesterol in the blood and is excreted by the liver
- D. Insoluble fiber converts to bile in the large intestine and binds with cholesterol
Correct answer: B
Rationale: The correct answer is B. Viscous (soluble) fiber binds with bile acids in the intestine, which are then excreted. The liver must use cholesterol to make more bile acids, thereby lowering blood cholesterol levels. Choice A is incorrect as insoluble fiber does not bind with cholesterol in the large intestine. Choice C is incorrect as soluble fiber does not directly bind with cholesterol in the blood. Choice D is incorrect as insoluble fiber does not convert to bile in the large intestine to bind with cholesterol.
5. What is the most likely complication for a client receiving TPN who suddenly develops tremors, dizziness, and diaphoresis?
- A. Fluid volume overload
- B. Sepsis
- C. Hyperglycemia
- D. Hypoglycemia
Correct answer: D
Rationale: The correct answer is D, Hypoglycemia. When a client receiving TPN suddenly develops tremors, dizziness, and diaphoresis, it is indicative of hypoglycemia. TPN provides a high concentration of glucose, and if it is abruptly stopped or the infusion rate is reduced, it can lead to hypoglycemia. Choices A, B, and C are incorrect as they do not directly correlate with the symptoms described in the scenario. Fluid volume overload typically presents with edema and hypertension, sepsis with fever and increased heart rate, and hyperglycemia with polyuria, polydipsia, and blurred vision.
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