ATI RN
Proctored Nutrition ATI
1. Low levels of high-density lipoproteins (HDL) are?
- A. associated with being underweight
- B. more prevalent in males
- C. highly predictive of CHD risk
- D. not a good predictor of CHD risk
Correct answer: C
Rationale: Low levels of HDL cholesterol are a strong predictor of coronary heart disease (CHD) risk because HDL helps to remove excess cholesterol from the bloodstream. Choice A is incorrect because low HDL levels are not associated with being underweight but rather with increased CHD risk. Choice B is incorrect as low HDL levels are not more prevalent in males but can affect both genders. Choice D is incorrect as low levels of HDL are indeed a good predictor of CHD risk.
2. Which organ produces and secretes bicarbonate ions and insulin?
- A. Stomach
- B. Pancreas
- C. Large intestine
- D. Small intestine
Correct answer: B
Rationale: The pancreas is the correct answer because it performs two vital functions: producing bicarbonate ions to neutralize stomach acid in the small intestine and secreting insulin to regulate blood glucose levels. The stomach is incorrect because its primary function is to break down and digest food, not produce bicarbonate ions or insulin. The large and small intestines are also incorrect because their primary functions are to absorb nutrients and water from food, rather than producing bicarbonate ions or insulin.
3. The principal cation in plasma and interstitial fluid is:
- A. Sodium
- B. Potassium
- C. Calcium
- D. Magnesium
Correct answer: A
Rationale: The principal cation in plasma and interstitial fluid is sodium. Sodium plays a crucial role in maintaining fluid balance and is the primary cation in extracellular fluids like plasma and interstitial fluid. Potassium is the primary cation within cells, not in extracellular fluids, making it an incorrect choice. Calcium and magnesium are essential minerals but are not the principal cations in plasma and interstitial fluid, so they are also incorrect choices.
4. Low levels of physical activity are more commonly associated with which type of cancer?
- A. Esophageal cancer
- B. Pancreatic cancer
- C. Lung cancer
- D. Colon cancer
Correct answer: D
Rationale: Low physical activity is most strongly associated with an increased risk of colon cancer. Regular exercise helps regulate bowel movements and reduce inflammation, which are factors that can contribute to the development of colon cancer. Esophageal cancer, pancreatic cancer, and lung cancer are not as directly linked to low levels of physical activity.
5. What intervention would be most appropriate for a patient who has difficulty eating because of chewing problems?
- A. Use squeeze bottles to pour liquids into the mouth
- B. Provide utensils that have modified handles
- C. Offer plates with food guards
- D. Provide soft foods
Correct answer: D
Rationale: Providing soft foods is crucial for patients with chewing difficulties to ensure they can consume adequate nutrition without discomfort.
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