ATI RN
ATI Nutrition Practice A
1. Why is atherosclerosis dangerous to arterial function?
- A. It diminishes central circulation
- B. It causes decreased blood pressure on artery walls
- C. It narrows the arterial lumen so a clot can easily block it
- D. It increases arterial elasticity
Correct answer: C
Rationale: Atherosclerosis is dangerous to arterial function because it narrows the arterial lumen, increasing the risk of a clot completely blocking the blood flow. This can lead to severe cardiovascular events such as heart attacks or strokes. Choice A is incorrect since atherosclerosis does not primarily diminish central circulation, but rather, it impedes local blood flow where the plaque is present. Choice B is also incorrect as atherosclerosis increases the pressure on artery walls due to the narrowed space for blood flow, not decrease it. Lastly, choice D is incorrect as atherosclerosis causes the arteries to lose their elasticity, not increase it.
2. Diseases of the heart and blood vessels are collectively referred to as _____.
- A. Coronary artery disease
- B. Cardiovascular disease
- C. Coronary heart disease
- D. Coronary vessel disease
Correct answer: B
Rationale: The correct term for diseases of the heart and blood vessels is cardiovascular disease. While coronary artery disease (Choice A) specifically involves the narrowing of coronary arteries, it is just one type of cardiovascular disease. Coronary heart disease (Choice C) is also a specific condition related to the heart's blood vessels. Choice D, coronary vessel disease, is not a commonly used term to describe diseases of the heart and blood vessels. Therefore, Choice B, cardiovascular disease, is the most inclusive and appropriate term to refer to these conditions.
3. What factor has been shown to contribute to poor nutritional health among adolescents?
- A. Most teens choose fruit juice and milk over soda
- B. Many teens consume energy drinks on a regular basis
- C. Teens have busy schedules and rarely drink fluids throughout the day
- D. Teens are more likely to consume low-fat milk
Correct answer: B
Rationale: The correct answer is B because many teens regularly consume energy drinks, which can contribute to poor nutritional health due to their high sugar and caffeine content, leading to unhealthy dietary patterns. Choice A is incorrect because choosing fruit juice and milk over soda would generally be considered a healthier choice. Choice C is incorrect as busy schedules leading to inadequate fluid intake might impact hydration but not necessarily poor nutritional health. Choice D is also incorrect as consuming low-fat milk is not typically a significant factor contributing to poor nutritional health among adolescents.
4. What are the potential consequences of damage to the stomach?
- A. Reduced digestion of carbohydrates
- B. Inability to produce or secrete bile
- C. Inability to produce or secrete gastric acid
- D. Increased ability to produce or secrete intrinsic factor
Correct answer: C
Rationale: Damage to the stomach can lead to a reduced ability to produce gastric acid (Choice C) and intrinsic factor, the latter of which is crucial for vitamin B12 absorption (Choice D). That's why these two choices are correct. The stomach doesn't play a direct role in the digestion of carbohydrates (Choice A) as this process primarily occurs in the small intestine with the help of pancreatic enzymes. Similarly, bile is produced by the liver and stored in the gallbladder, not the stomach, hence stomach damage wouldn't lead to an inability to produce or secrete bile (Choice B).
5. A client with pre-dialysis end-stage kidney disease is being taught about diet. Which of the following instructions should the nurse include?
- A. Increase intake of dietary phosphorus.
- B. Eliminate foods high in protein from your diet.
- C. Reduce intake of foods high in potassium.
- D. Increase intake of sodium-containing foods.
Correct answer: C
Rationale: In pre-dialysis end-stage kidney disease, reducing intake of foods high in potassium is crucial as impaired kidney function can lead to potassium buildup in the blood, which can be dangerous. High potassium levels can cause irregular heartbeats and even cardiac arrest. Therefore, advising the client to reduce potassium-rich foods is essential to prevent complications. Choices A, B, and D are incorrect. Increasing dietary phosphorus, eliminating foods high in protein, or increasing sodium-containing foods are not appropriate recommendations for a client with pre-dialysis end-stage kidney disease as they can exacerbate the condition.
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