Nursing Elites

1. Which mineral is a principal component of cell membranes?

• A. phosphorus
• B. magnesium
• C. iron
• D. iodine

Correct answer: A

Rationale: Phosphorus is the correct answer. It is a key component of cell membranes, being part of the phospholipid bilayer that provides structure and controls the movement of substances in and out of cells. Magnesium, iron, and iodine do not serve as principal components of cell membranes. Magnesium is involved in various enzymatic reactions, iron is essential for oxygen transport, and iodine plays a role in thyroid hormone synthesis.

2. What is the purpose of a chest tube after a lobectomy procedure, as understood by the nurse?

• A. Prevent mediastinal shift
• B. Promote chest expansion of the remaining lung
• C. Drain fluids and blood accumulated post-operatively
• D. Remove the air in the lungs to promote lung expansion

Correct answer: C

Rationale: After a lobectomy, a chest tube is typically inserted to drain fluids and blood that may have accumulated post-operatively. This tube helps to prevent complications, such as infections or pneumonia, and aids in patient recovery. While a chest tube may aid in preventing a mediastinal shift (Choice A), promoting chest expansion of the remaining lung (Choice B), and removing air in the lungs to promote lung expansion (Choice D), these are not the primary reasons for its use after a lobectomy. Therefore, Choices A, B, and D are incorrect.

3. A nurse is caring for a 30-month-old toddler and is preparing a nutritional snack. Which of the following foods is appropriate for the nurse to offer the toddler?

• A. Plain popcorn
• B. Grapes
• C. Raw carrots
• D. Cheese

Correct answer: D

Rationale: Cheese is a safe and nutritious option for toddlers as it provides calcium and protein without posing choking hazards. Plain popcorn, grapes, and raw carrots are not recommended for toddlers due to the potential choking risks they present, especially at a young age.

4. When observing a return demonstration of a colostomy irrigation, you know that more teaching is required if pt:

• A. Lubricates the tip of the catheter prior to inserting into the stoma
• B. Hangs the irrigating bag on the bathroom door cloth hook during fluid insertion
• C. Discontinues the insertion of fluid after only 500 ml of fluid has been instilled
• D. Clamps of the flow of fluid when felling uncomfortable

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.

5. A client with stomatitis is receiving teaching from a nurse. Which of the following client statements indicates a need for further teaching?

• A. "I will drink liquids through a straw."?
• B. "I will season foods with dried spices before cooking."?
• C. "I will rinse my mouth with baking soda and water frequently."?
• D. "I will eat frozen bananas as a snack."?

Correct answer: C

Rationale: The correct answer is, "I will rinse my mouth with baking soda and water frequently."? Stomatitis is an inflammation of the mucous lining in the mouth, and rinsing with baking soda and water can be too abrasive and further irritate the condition. Choices A, B, and D are appropriate self-care measures for a client with stomatitis and do not indicate a need for further teaching.

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