ATI RN
ATI Nutrition Practice A
1. Which factor has been shown to increase the risk of development of atherosclerosis?
- A. Menopause
- B. Age older than 35
- C. Increased levels of arachidonic acid
- D. Elevated HDL cholesterol
Correct answer: A
Rationale: The correct answer is A: Menopause. Menopause is associated with an increased risk of atherosclerosis due to hormonal changes that affect lipid profiles and vascular health. Conversely, B: Age older than 35 is not necessarily a risk factor for atherosclerosis on its own, though atherosclerosis risk does generally increase with age. C: Increased levels of arachidonic acid is not specifically linked to atherosclerosis; it's a fatty acid that can be both beneficial and harmful to health depending on its metabolic pathway. D: Elevated HDL cholesterol is actually beneficial rather than harmful because HDL cholesterol is known as 'good' cholesterol that helps to reduce the risk of heart disease and atherosclerosis.
2. Match protease with its digestive action:
- A. breaks down carbs
- B. breaks down proteins
- C. breaks down lipids
- D. helps fat digestion
Correct answer: B
Rationale: Proteases are enzymes that break down proteins into smaller peptides and amino acids.
3. Can fluid retention cause lab values to be deceptively high, whereas dehydration may cause the values to be deceptively low?
- A. TRUE
- B. FALSE
- C. Not always
- D. Sometimes
Correct answer: B
Rationale: The statement is incorrect. Fluid retention generally results in lab values appearing deceptively low, not high, because the excess fluid dilutes the concentration of substances in the blood. Conversely, dehydration can make lab values appear deceptively high as the reduced fluid volume in the body means substances in the blood are less diluted. Choices 'C: Not always' and 'D: Sometimes' are not specific and do not directly address the statement in the question, hence they are incorrect.
4. What dietary strategy would most likely be used as part of lifestyle management to reduce the risk of coronary heart disease?
- A. Avoid foods that contain polyunsaturated fat
- B. Limit saturated fat to less than 10 percent of total calories
- C. Limit alcohol intake to one drink daily for women and two drinks daily for men
- D. Avoid consumption of fish and shellfish
Correct answer: C
Rationale: Limiting alcohol intake is part of a strategy to reduce the risk of coronary heart disease by avoiding the negative cardiovascular effects associated with excessive alcohol consumption.
5. How many amino acids are essential?
- A. 5
- B. 7
- C. 9
- D. 13
Correct answer: C
Rationale: The correct answer is C: 9. There are 9 essential amino acids that the body cannot synthesize and must be obtained through the diet. These 9 amino acids are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. Choices A, B, and D are incorrect as they do not represent the correct number of essential amino acids.
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