the production of glucose from protein lactate or glycerol is called
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Nutrition For PN Nursing ATI

1. What is the term for the production of glucose from protein, lactate, or glycerol?

Correct answer: B

Rationale: Gluconeogenesis is the correct term for the production of glucose from non-carbohydrate sources such as protein, lactate, or glycerol. Choice A, glycolysis, is the process of breaking down glucose into pyruvate. Choice C, glycogenolysis, is the breakdown of glycogen into glucose. Choice D, glucogenesis, is not a recognized term in biochemistry.

2. What is the primary function of carbohydrates as a food source?

Correct answer: C

Rationale: The primary function of carbohydrates as a food source is to supply energy. Carbohydrates are the body's main source of energy, providing fuel for various physiological functions. Choice A is incorrect because carbohydrates do not primarily regulate metabolic processes; that role is mainly attributed to enzymes and hormones. Choice B is incorrect because proteins are primarily responsible for building body tissue. Choice D is incorrect because fiber, not all carbohydrates, provides bulk in the diet.

3. A high blood cholesterol level appears to be associated with the development of:

Correct answer: B

Rationale: A high blood cholesterol level is associated with an increased risk of developing coronary heart disease. Elevated cholesterol levels can lead to the buildup of plaque in the arteries, increasing the risk of heart disease. Choices A, C, and D are incorrect as high blood cholesterol is not primarily linked to chronic kidney disease, Alzheimer’s disease, or Addison’s disease.

4. How many kilocalories (kcal) are provided by a food containing 30 grams of carbohydrate?

Correct answer: B

Rationale: The correct answer is B: 120. Carbohydrates provide 4 kcal per gram, so 30 grams of carbohydrates will provide 120 kcal. This is calculated by multiplying the grams of carbohydrate (30) by the kcal per gram (4). Choices A, C, and D are incorrect because they do not reflect the correct calculation based on the energy content of carbohydrates.

5. Which pathogenic bacterium is associated with peptic ulcer disease and gastric cancer?

Correct answer: C

Rationale: The correct answer is H. pylori. This bacterium is known to be associated with the development of peptic ulcers and an increased risk of gastric cancer. Lactobacillus (Choice A) and Bifidobacterium (Choice B) are probiotic bacteria that are beneficial to human health and not associated with causing these conditions. E. coli (Choice D) is a diverse group of bacteria, some of which can be pathogenic, but they are not primarily linked to peptic ulcers and gastric cancer like H. pylori.

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