Nursing Elites

1. Which of the following body processes is not dependent upon the presence of calcium in the body fluids?

• A. blood clotting
• B. transport of oxygen in the blood
• C. muscle contractions
• D. transmission of nerve impulses

Correct answer: B

Rationale: The transport of oxygen in the blood is carried out by hemoglobin, which does not require calcium; instead, calcium is essential for blood clotting, muscle contraction, and nerve transmission.

2. The principal cation in plasma and interstitial fluid is:

• A. Sodium
• B. Potassium
• C. Calcium
• D. Magnesium

Correct answer: A

Rationale: The principal cation in plasma and interstitial fluid is sodium. Sodium plays a crucial role in maintaining fluid balance and is the primary cation in extracellular fluids like plasma and interstitial fluid. Potassium is the primary cation within cells, not in extracellular fluids, making it an incorrect choice. Calcium and magnesium are essential minerals but are not the principal cations in plasma and interstitial fluid, so they are also incorrect choices.

3. Which of the following foods provides the most protein?

• A. Beans
• B. Red peppers
• C. Asparagus
• D. Celery

Correct answer: A

Rationale: The correct answer is A, Beans. Beans are known to be a good source of protein compared to the other options provided. While red peppers, asparagus, and celery are nutritious vegetables, they do not contain as much protein as beans do. Red peppers are high in vitamin C, asparagus is rich in vitamins and minerals, and celery is low in calories and a good source of fiber, but they are not significant sources of protein.

4. Each of the following accurately describes features of MyPlate except one. Which one is the exception?

• A. MyPlate replaces the well-known food guide, MyPyramid.
• B. The interactive website is intended to help consumers apply personalized dietary guidance.
• C. Whereas MyPyramid was more specific in many areas, MyPlate provides more general information.
• D. Foods providing similar types of nutrients are grouped together and emphasize proportionality of food selections.

Correct answer: C

Rationale: The correct answer is C because MyPlate actually provides more specific guidance compared to MyPyramid. MyPlate was designed to simplify the dietary recommendations for consumers by focusing on a visual representation of a plate divided into food groups, making it easier to understand and apply. Choices A, B, and D accurately describe features of MyPlate: replacing MyPyramid, providing personalized dietary guidance through an interactive website, and grouping foods with similar nutrients while emphasizing proportionality of food selections.

5. Richard is a subject of a research lead by his doctor. The nurse knows that all of the following is a correct understanding as his right as a research subject except:

• A. I can withdraw with this research even after the research has been started
• B. My confidentiality will not be compromised in this research
• C. I must choose another doctor if I withdrew from this research
• D. I can withdraw with this research before the research has been started

Correct answer: C

Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.

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