Nursing Elites

1. Why is a precise amount of oxygen necessary for a patient with COPD to prevent which complication?

• A. Cardiac arrest related to increased partial pressure of carbon dioxide in arterial blood (PaCO2)
• B. Circulatory overload due to hypervolemia
• C. Respiratory excitement
• D. Inhibition of the respiratory hypoxic stimulus

Correct answer: D

Rationale: In patients with COPD, the respiratory drive is often stimulated by low oxygen levels. Administering too much oxygen can inhibit this hypoxic drive, leading to respiratory depression and potential respiratory failure. Therefore, it is crucial to carefully regulate the oxygen therapy to prevent the inhibition of the respiratory hypoxic stimulus in COPD patients.

2. Which of the following white blood cell (WBC) counts clearly indicates leukocytosis?

• A. 4,500/mm³
• B. 7,000/mm³
• C. 10,000/mm³
• D. 25,000/mm³

Correct answer: D

Rationale: Leukocytosis is defined as an increase in the total white blood cell count. A normal WBC count typically ranges from 4,500 to 10,000/mm³. A WBC count of 25,000/mm³, as indicated in choice D, is significantly higher than the normal range and clearly indicates leukocytosis.

3. What is the primary purpose of handwashing?

• A. To promote hand circulation
• B. To prevent the transfer of microorganisms
• C. To avoid touching the client with a dirty hand
• D. To provide comfort

Correct answer: B

Rationale: The primary purpose of handwashing is to prevent the transfer of microorganisms. Proper hand hygiene helps reduce the risk of spreading harmful bacteria and viruses, thus promoting overall health and preventing infections. Choice A is incorrect as handwashing primarily focuses on cleanliness rather than promoting circulation. Choice C is incorrect as it implies that the main concern is avoiding client discomfort rather than preventing infection. Choice D is incorrect as while handwashing can be comforting in some situations, its primary purpose is not to provide comfort but to maintain hygiene.

4. The healthcare professional prepares to administer buccal medication. The medicine should be placed...

• A. On the client's skin
• B. Between the client's cheeks and gums
• C. Under the client's tongue
• D. On the client's conjunctiva

Correct answer: B

Rationale: Buccal medication is administered by placing it between the client's cheeks and gums. This route allows for the medication to be absorbed through the mucous membranes in the mouth, providing a rapid onset of action compared to oral ingestion. Placing the medication under the tongue (sublingual) allows for absorption through the sublingual mucosa, not the buccal mucosa. Placing medication on the skin or the conjunctiva is not appropriate for buccal administration.

5. A client who wears glasses is under the care of a nurse. Which of the following actions should the nurse take?

• A. Store the glasses in a labeled case.
• B. Clean the glasses with hot water
• C. Clean the glasses with a paper towel.
• D. Store the glasses on the bedside table.

Correct answer: A

Rationale: It is essential for the nurse to store the client's glasses in a labeled case to ensure they are kept safe and protected from damage. Storing them in a case helps prevent scratches, breakage, or misplacement. This practice promotes proper eyewear hygiene and ensures the client has their glasses readily available when needed. Cleaning the glasses with hot water or a paper towel can potentially damage the lenses or frames. Storing the glasses on the bedside table increases the risk of misplacement or damage.

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