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Nutrition ATI Proctored Exam
1. One characteristic of an essential fatty acid is that it:
- A. comes from a plant source.
- B. comes from an animal source.
- C. is not manufactured by the body.
- D. is manufactured by the body.
Correct answer: C
Rationale: The correct answer is C because essential fatty acids are not manufactured by the body and must be obtained through the diet. Choice A is incorrect because essential fatty acids can come from plant sources as well. Choice B is incorrect as essential fatty acids are primarily derived from plant sources. Choice D is incorrect because essential fatty acids cannot be produced by the body. Therefore, the only accurate statement is that essential fatty acids are not manufactured by the body.
2. What is a major function of glucose?
- A. Produce energy.
- B. Transport oxygen to cells.
- C. Convert fat to glycogen.
- D. Maintain body weight.
Correct answer: A
Rationale: Glucose serves as a primary source of energy for the body, especially for the brain and muscles. Choice B is incorrect because glucose itself is not responsible for transporting oxygen to cells. Choice C is incorrect as glucose is converted to glycogen, not the other way around. Choice D is incorrect as glucose itself does not play a direct role in maintaining body weight.
3. Regurgitation or reflux of acidic stomach contents back into the esophagus is known as:
- A. hiatal hernia.
- B. diverticulitis.
- C. gastroenteritis.
- D. gastroesophageal reflux disease.
Correct answer: D
Rationale: The correct answer is D: gastroesophageal reflux disease (GERD). GERD occurs when stomach acid flows back into the esophagus, causing symptoms like heartburn and regurgitation. Choice A, hiatal hernia, is a condition where part of the stomach pushes up into the chest through an opening in the diaphragm. Choice B, diverticulitis, is inflammation or infection of small pouches that can form in the lining of the digestive system. Choice C, gastroenteritis, is inflammation of the stomach and intestines typically caused by a viral or bacterial infection. Therefore, only choice D accurately describes the regurgitation or reflux of acidic stomach contents back into the esophagus.
4. The professional primarily responsible for the application of nutrition science in clinical practice settings is the:
- A. nurse.
- B. physician.
- C. public health nutritionist.
- D. registered dietitian.
Correct answer: D
Rationale: The correct answer is D: registered dietitian. A registered dietitian is a healthcare professional with specialized training in nutrition and dietetics, making them primarily responsible for applying nutrition science in clinical practice settings. Nurses (choice A) and physicians (choice B) may have some knowledge of nutrition, but a registered dietitian has specific expertise in this area. Public health nutritionists (choice C) typically focus on community nutrition and public health programs, rather than clinical practice settings.
5. The type of protein-energy malnutrition (PEM) that develops when the diet lacks protein is called:
- A. kwashiorkor.
- B. marasmus.
- C. anemia.
- D. beriberi.
Correct answer: A
Rationale: The correct answer is A: kwashiorkor. Kwashiorkor is a form of protein-energy malnutrition that arises due to a protein-deficient diet. This condition leads to symptoms such as edema, skin lesions, and fatty liver. Choice B, marasmus, is a form of PEM caused by overall malnutrition (protein and calorie deficiency), resulting in severe wasting and muscle loss. Choice C, anemia, is a condition characterized by a deficiency of red blood cells or hemoglobin, not specifically related to protein deficiency. Choice D, beriberi, is a disease caused by thiamine (Vitamin B1) deficiency, not a form of PEM related to protein deficiency.
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