Nursing Elites

1. Which types of diabetes are characterized by the body's cells becoming resistant to insulin? (Select all that apply)

• A. Gestational diabetes
• B. Type II diabetes
• C. Type I diabetes
• D. Both A and B

Correct answer: D

Rationale: In both gestational diabetes and Type II diabetes, the body's cells become resistant to insulin, leading to elevated blood glucose levels. Insulin resistance in these types of diabetes prevents glucose from entering the cells, causing it to accumulate in the bloodstream. On the other hand, Type I diabetes is characterized by the body's inability to produce insulin because the immune system mistakenly attacks and destroys the insulin-producing cells in the pancreas. Therefore, the correct answer is both A and B. Choice C, Type I diabetes, is not characterized by insulin resistance but rather by the body's inability to produce insulin. Therefore, it is incorrect. Choice D, Both A and B, includes the correct options of gestational diabetes and Type II diabetes, making it the correct answer.

2. Cariogenic foods and beverages, which are fermentable carbohydrates that can be metabolized by oral bacteria, reduce salivary pH to what critical level?

• A. 5
• B. 5.5
• C. 6
• D. 6.5

Correct answer: B

Rationale: Cariogenic foods and beverages lower the pH level in the mouth to below 5.5. This is a critical threshold, as it is the point at which enamel begins to demineralize, increasing the risk of dental caries. Therefore, options 'A', 'C', and 'D' are incorrect. Although a pH level of 5, as suggested by option 'A', would indeed lead to demineralization, it's not the threshold value. The pH levels suggested by options 'C' and 'D' (6 and 6.5, respectively) are higher than the critical value of 5.5, which means they would not initiate enamel demineralization and the subsequent risk of dental caries.

3. A client who is in her second trimester of pregnancy should increase her caloric intake by how many calories during this trimester?

• A. 110 cal/day
• B. 225 cal/day
• C. 340 cal/day
• D. 450 cal/day

Correct answer: C

Rationale: During the second trimester of pregnancy, it is recommended that a client increases their caloric intake by around 340 calories per day to support the growing needs of both the mother and the developing fetus. This additional intake helps ensure the proper nutrition and energy levels required during this crucial stage of pregnancy. Option A (110 cal/day) is too low to meet the increased demands. Option B (225 cal/day) is also below the recommended amount. Option D (450 cal/day) is higher than necessary and could lead to excessive weight gain, which is not ideal during pregnancy.

4. Where does most nutrient digestion and absorption occur?

• A. Large intestine
• B. Small intestine
• C. Stomach
• D. Mouth

Correct answer: B

Rationale: The small intestine is the correct answer. It is the primary site for nutrient digestion and absorption in the digestive system. The small intestine plays a crucial role in breaking down carbohydrates, proteins, and fats into forms that can be absorbed by the body. While the large intestine absorbs water and electrolytes, the majority of nutrient absorption occurs in the small intestine. The stomach primarily functions in the initial digestion of proteins, and the mouth begins the mechanical breakdown of food through chewing.

5. Increasing the variety of foods often prevents nutrient excesses and toxicities. A dietary change to eliminate or increase intake of one specific food or nutrient usually alters the intake of other nutrients.

• A. Both statements are true.
• B. Both statements are false.
• C. The first statement is true; the second is false.
• D. The first statement is false; the second is true.

Correct answer: D

Rationale: The first statement is false because increasing the variety of foods actually helps prevent nutrient excesses and toxicities. The second statement is true because making a dietary change to eliminate or increase the intake of a specific food or nutrient often leads to alterations in the intake of other nutrients. Choice A is incorrect because the first statement is false. Choice B is incorrect because the second statement is true. Choice C is incorrect because the first statement is false, even though the second statement is true.

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