the most significant dietary influence on the development of dental caries is
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Nursing Elites

ATI RN

ATI Nutrition Proctored

1. What is the most significant dietary influence on the development of dental caries?

Correct answer: A

Rationale: The correct answer is A: Carbohydrates. Carbohydrates, especially fermentable sugars, are the most significant dietary factor in the development of dental caries. When these sugars are consumed, they can be fermented by bacteria in the mouth, leading to the production of acids. These acids lower the pH in the mouth, creating an acidic environment that promotes demineralization of the tooth enamel, ultimately causing dental caries. Choices B, C, and D are incorrect because while vitamins and minerals are important for overall health, they do not have the same direct impact on the development of dental caries as fermentable carbohydrates do. Fats, on the other hand, do not play a significant role in the development of dental caries.

2. A nurse is teaching an in-service about manifestations of hypoglycemia to a group of newly licensed nurses. Which of the following should the nurse include in the teaching?

Correct answer: A

Rationale: Corrected Rationale: Blurred vision is a common symptom of hypoglycemia and should be included in the teaching. Other manifestations like vomiting, Kussmaul respirations, and bradycardia are not typically associated with hypoglycemia. Vomiting is more commonly seen in conditions like food poisoning or gastrointestinal issues. Kussmaul respirations are deep and rapid respirations seen in metabolic acidosis, not hypoglycemia. Bradycardia is usually not a manifestation of hypoglycemia; tachycardia is more commonly associated with low blood sugar levels.

3. Which symptoms are associated with cancer of the colon?

Correct answer: C

Rationale: The correct symptoms associated with cancer of the colon are blood in the stools, anemia, and 'pencil-shaped' stools. These symptoms are classic indicators of colorectal cancer. Choices A, B, and D do not typically present in colorectal cancer. Constipation, ascites, and mucus in the stool are more commonly associated with other gastrointestinal conditions. Diarrhea, heartburn, and eructation are not typical symptoms of colon cancer. Anorexia, hematemesis, and increased peristalsis are more indicative of other gastrointestinal issues and not specific to colon cancer.

4. Is the loss of teeth or supporting periodontium often associated with poor food selection and limited chewing ability, and do the patients' masticatory efficiency and biting force decline with each tooth lost?

Correct answer: A

Rationale: Both statements are indeed true. The loss of teeth or supporting periodontium frequently leads to poor food selection and limited chewing ability, as these conditions can make certain foods difficult to consume. Additionally, a patient's masticatory efficiency and biting force do decline with each tooth lost, as there are fewer teeth to distribute the force of the bite. Choices B, C, and D are incorrect because they suggest that one or both of these statements are false, which is not the case.

5. Each statement is true of swallowing and processing food, except one. Which is the exception?

Correct answer: C

Rationale: The correct answer is C. The bolus is not transported to the stomach by osmosis and gravity, but by peristalsis. Peristalsis is the involuntary constriction and relaxation of muscles to push the bolus through the digestive system. Choices A, B, and D are correct statements. A bolus is indeed a mass of food, the swallowing reflex does move the bolus into the esophagus, and the bolus does not penetrate the diaphragm through the esophageal hiatus; instead, it enters the stomach through the lower esophageal sphincter.

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