Nursing Elites

1. Magnesium's major functions in the body would be least likely to include which of the following?

• A. allowing muscles to relax after contraction
• B. assisting the operation of hundreds of enzymes
• C. synthesis of protein in the soft tissues
• D. regulation of body temperature

Correct answer: D

Rationale: Magnesium plays a key role in muscle relaxation, enzyme operation, and protein synthesis, but it is not directly involved in regulating body temperature.

2. If it is determined that a child is being physically abused by a parent, what would be the most important goal for the nurse to establish with the family?

• A. The child and any siblings will reside in a secure environment
• B. The family will feel at ease in their relationship with the counselor
• C. The family will gain insight into their abusive behavior patterns
• D. The mother will learn to apply verbal discipline with her children

Correct answer: A

Rationale: The primary objective when dealing with cases of child abuse is to ensure the safety of the child and any siblings. This means creating a secure environment free from harm, which is why choice 'A' is the correct answer. While choices 'B', 'C', and 'D' might be subsequent steps in a comprehensive plan to deal with the situation, they are not the immediate priority. Understanding abusive behavioral patterns or improving the relationship with the counselor will not directly lead to the child's safety. Likewise, teaching the mother to apply verbal discipline doesn't guarantee the child's safety if the abusive behavior continues. Therefore, these options are not the most important initial goal.

3. A nurse is planning teaching for the parents of a toddler who follows a vegetarian diet. The nurse should plan to include which of the following foods as the best source of dietary protein for the child?

• A. Soy milk
• B. Peanut butter
• C. Dried beans
• D. Whole grains

Correct answer: C

Rationale: Dried beans are the best source of dietary protein for a toddler following a vegetarian diet. They are rich in protein and other essential nutrients. Soy milk, while a good source of protein, may not provide as much protein density as dried beans. Peanut butter is a good source of protein but may not be as protein-dense as dried beans. Whole grains are not as high in protein content compared to dried beans, making them a less optimal choice for meeting the toddler's protein needs.

4. Which cells in the islet of the pancreas are responsible for synthesizing insulin?

• A. Alpha cells
• B. Beta cells
• C. Gamma cells
• D. Delta cells

Correct answer: B

Rationale: Beta cells in the islets of Langerhans in the pancreas are responsible for the production and secretion of insulin, which is crucial for regulating blood glucose levels. Alpha cells, on the other hand, produce glucagon, a hormone that raises blood glucose levels. Gamma cells and Delta cells do not exist in the islets of Langerhans; therefore, they are incorrect choices.

5. Which food item interferes with the effectiveness of warfarin?

• A. Cauliflower
• B. Zucchini
• C. Green beans
• D. Broccoli

Correct answer: D

Rationale: Broccoli is high in vitamin K, which can affect the effectiveness of warfarin. Warfarin is an anticoagulant medication that functions by reducing the activity of vitamin K in the body. When one consumes broccoli, which is rich in vitamin K, it could counteract the anticoagulant effect of warfarin, thereby interfering with its effectiveness. On the other hand, cauliflower, zucchini, and green beans do not have significant levels of vitamin K and hence, are not known to impact the effectiveness of warfarin.

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