The nurse is caring for four clients: Client A, who has emphysema and whose oxygen saturation is 94%; Client B, with a postoperative hemoglobin of 8.2 mg/dL (82 g/L); Client C, newly admitted with a potassium level of 3.8 mEq/L (3.8 mmol/L); and Client D, scheduled for an appendectomy who has a white blood cell (WBC) count of 14,000 mm (14 x 10^9/L). Which intervention should the nurse implement? Reference Range:. Hemoglobin [14 to 18 g/dL (140 to 180 g/L)]. Potassium [3.5 to 5.0 mEq/L (3.5 to 5.0 mmol/L)]. White Blood Cell [5000 to 10,000/mm² (5 to 10 x 10^9/L)].
Move Client D into an isolation room 24 hours before surgery.
Ask the dietitian to add a banana to Client C's breakfast tray.
Increase Client A's oxygen to 4 liters a minute per cannula.
Verify that Client B has two units of packed cells available.
The Correct Answer is D
The correct answer is Choice D.
Choice A rationale: Moving Client D into an isolation room 24 hours before surgery is not necessary. The client’s white blood cell (WBC) count is 14,000 mm (14 x 10^9/L), which is higher than the normal range of 5000 to 10,000/mm² (5 to 10 x 10^9/L). This indicates that the client may have an infection. However, it is not standard practice to isolate clients scheduled for surgery based solely on an elevated WBC count. Other factors, such as the presence of specific infectious diseases, would dictate the need for isolation.
Choice B rationale: Asking the dietitian to add a banana to Client C’s breakfast tray is not necessary. The client’s potassium level is 3.8 mEq/L (3.8 mmol/L), which is within the normal range of 3.5 to 5.0 mEq/L (3.5 to 5.0 mmol/L). Therefore, there is no need to increase the client’s potassium intake.
Choice C rationale: Increasing Client A’s oxygen to 4 liters a minute per cannula is not necessary. The client has emphysema and their oxygen saturation is 94%, which is within the normal range. Increasing the oxygen flow rate could lead to oxygen toxicity or suppress the client’s respiratory drive, leading to respiratory depression or failure.
Choice D rationale: Verifying that Client B has two units of packed cells available is the correct intervention. The client’s postoperative hemoglobin level is 8.2 mg/dL (82 g/L), which is lower than the normal range of 14 to 18 g/dL (140 to 180 g/L). This indicates that the client is anemic and may require a blood transfusion. Therefore, it is important to ensure that packed cells are available if needed.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
"Tell me about your coping strategies and support system." This is an appropriate statement during the assessment of a client with panic disorder. Understanding the client's coping mechanisms and support system can help the nurse tailor the care plan to the client's specific needs and strengths.
Choice B rationale:
"How often do you experience panic attacks and what triggers them?" While this question may be relevant, it focuses primarily on the frequency and triggers of panic attacks. While this information is important, it doesn't address coping strategies or support systems, which are equally important aspects of the assessment.
Choice C rationale:
"What medications are you currently taking for your panic disorder?" This question is essential for medication management but does not directly address coping strategies or support systems, which are more pertinent to the assessment in this context.
Choice D rationale:
"Have you ever had any laboratory tests done for your panic disorder?" This question is not relevant to the assessment of panic disorder. Panic disorder is primarily diagnosed based on clinical criteria and does not require specific laboratory tests.
Correct Answer is A
Explanation
Choice A rationale:
The combination of trimethoprim and sulfamethoxazole has a synergistic effect, which means that the two drugs work together to inhibit bacterial growth more effectively than either drug alone. This combination is commonly used to treat urinary tract infections (UTIs) caused by susceptible bacteria.
Choice B rationale:
The combination of trimethoprim and sulfamethoxazole does not have an additive effect that reduces the dosage and frequency of administration of each drug. Instead, it is prescribed as a fixed combination with specific dosages of each drug.
Choice C rationale:
The combination of trimethoprim and sulfamethoxazole does not have an antagonistic effect that prevents the development of resistance to either drug. In fact, the combination is chosen because it covers a broader spectrum of bacteria and reduces the likelihood of resistance development.
Choice D rationale:
The combination of trimethoprim and sulfamethoxazole does not have a selective effect that targets only the bacteria causing the UTI and spares the normal flora. It affects a wide range of bacteria, including both pathogenic and normal flora.
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