ATI RN
ATI Nutrition Proctored
1. How many diet-related major risk factors for coronary heart disease does Mrs. Winslow have?
- A. 1
- B. 4
- C. 2
- D. 3
Correct answer: B
Rationale: Mrs. Winslow has four major diet-related risk factors for coronary heart disease: high total cholesterol, high LDL cholesterol, high triglycerides, and low HDL cholesterol. Choice A is incorrect because there are more than one risk factor present. Choices C and D are incorrect as they do not account for the total number of diet-related major risk factors identified.
2. An estimated _____ percent of persons in the United States who have HIV infection are unaware that they are infected.
- A. 4%
- B. 21%
- C. 34%
- D. 49%
Correct answer: B
Rationale: The correct answer is B: '21%'. Approximately 21% of persons in the United States who have HIV infection are unaware that they are infected. This percentage represents a significant portion of individuals who are not aware of their HIV status, highlighting the importance of increased testing and awareness campaigns. Choices A, C, and D are incorrect as they do not align with the estimated percentage provided in the context.
3. Almost all (99%) of the calcium in the body is used for?
- A. regulating the transmission of nerve impulses
- B. providing energy for cells
- C. providing rigidity for the bones
- D. regulating muscle contraction
Correct answer: C
Rationale: The correct answer is C: providing rigidity for the bones. Almost all of the calcium in the body is utilized for maintaining the strength and structure of bones and teeth. Calcium plays a crucial role in skeletal health by providing rigidity and support to the skeletal system. Choices A, B, and D are incorrect because while calcium is essential for various physiological functions like nerve transmission, cell energy production, and muscle contraction, the majority of calcium in the body is primarily allocated for bone health.
4. If a person could not make bile, what would happen?
- A. experience fatigue, as the body would not be able to make lipid carriers to deliver fat to body cells for energy
- B. have less cholesterol being made by the liver
- C. need to consume higher levels of fat
- D. be unable to absorb most lipids, and fat would be excreted in the feces
Correct answer: D
Rationale: The correct answer is D. Bile is essential for emulsifying fats in the small intestine, allowing them to be absorbed. Without bile, most fats would not be absorbed and would be excreted in the feces. Choices A, B, and C are incorrect because the primary role of bile is in the digestion and absorption of fats, rather than affecting lipid carriers, cholesterol production, or dietary fat consumption.
5. Select all that apply. Which nutrients are needed by the body to make hemoglobin?
- A. Iron
- B. Vitamin B12
- C. Niacin
- D. Folate
Correct answer: A
Rationale: The correct answer is A: Iron. Iron is an essential nutrient needed by the body to make hemoglobin, the protein in red blood cells that carries oxygen. While other nutrients like vitamin B12, niacin, and folate are important for various bodily functions, they are not directly involved in the production of hemoglobin. Vitamin B12 is essential for nerve function and DNA synthesis, niacin is important for metabolism, and folate is crucial for cell division and DNA synthesis. Therefore, only iron is specifically required for hemoglobin production.
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