ATI RN
ATI Pathophysiology Exam
1. When evaluating the success of adding raltegravir to the drug regimen of a 42-year-old female patient with HIV, which laboratory value should the nurse prioritize?
- A. The patient's C-reactive protein levels
- B. The patient's erythrocyte sedimentation rate (ESR)
- C. The patient's viral load
- D. The patient's CD4 count
Correct answer: C
Rationale: The correct answer is C: The patient's viral load. In HIV management, monitoring the viral load is crucial to assess the effectiveness of antiretroviral therapy. A decrease in viral load indicates the treatment's success in controlling the HIV infection. Choices A, B, and D are less relevant in this context. C-reactive protein levels and erythrocyte sedimentation rate are markers of inflammation and non-specific indicators of infection, not specifically for HIV. CD4 count is important but not as immediate for evaluating the response to the newly added medication compared to monitoring the viral load.
2. Which of the following are normal arterial blood gas values?
- A. PH 7.25, PaCO2 52 mm Hg, PaO2 75 mm Hg, HCO3 18 mEq/L
- B. PH 7.50, PaCO2 30 mm Hg, PaO2 80 mm Hg, HCO3 28 mEq/L
- C. PH 7.40, PaCO2 40 mm Hg, PaO2 90 mm Hg, HCO3 24 mEq/L
- D. PH 7.15, PaCO2 30 mm Hg, PaO2 50 mm Hg, HCO3 24 mEq/L
Correct answer: C
Rationale: The correct answer is C: PH 7.40, PaCO2 40 mm Hg, PaO2 90 mm Hg, HCO3 24 mEq/L. These values represent a balanced state for arterial blood gas. Choice A has lower than normal PH and HCO3 levels and higher PaCO2 and lower PaO2 levels. Choice B has higher than normal PH and HCO3 levels, lower PaCO2, and a normal PaO2 level. Choice D has a significantly lower PH and PaO2 level, normal HCO3 level, and low PaCO2 level, indicating an acidic state with impaired oxygenation.
3. Inflammatory exudates are a combination of several types. Which of the following exudates is composed of a large accumulation of leukocytes?
- A. Serous
- B. Purulent
- C. Fibrinous
- D. Hemorrhagic
Correct answer: B
Rationale: The correct answer is B: Purulent. Purulent exudates, or pus, consist primarily of leukocytes and dead cells, indicating a bacterial infection. Serous exudates contain a thin, watery fluid with few leukocytes. Fibrinous exudates are rich in fibrin and are commonly seen in severe inflammation. Hemorrhagic exudates contain red blood cells due to blood vessel damage.
4. A client with chronic bronchitis is receiving education from a healthcare provider about the condition. Which statement made by the client indicates a need for further teaching?
- A. I should avoid being around people who smoke.
- B. I should try to avoid any exposure to pollutants and irritants.
- C. I should limit my fluid intake to avoid worsening my cough.
- D. I should use my inhaler regularly, even when I don't have symptoms.
Correct answer: C
Rationale: The correct answer is C because limiting fluid intake is not recommended for chronic bronchitis. Hydration is essential as it helps thin mucus, making it easier to clear from the airways. Choices A, B, and D are all correct statements for managing chronic bronchitis. Avoiding exposure to smoke, pollutants, and irritants can help reduce respiratory symptoms and exacerbations. Using the inhaler regularly, even in the absence of symptoms, is crucial for controlling inflammation and maintaining airway function.
5. During an acute asthma exacerbation, what is the priority nursing intervention for a client with asthma?
- A. Administer corticosteroids to reduce airway inflammation.
- B. Position the client in high-Fowler's position.
- C. Administer short-acting beta-agonists (SABAs) as prescribed.
- D. Obtain a peak flow reading to assess the severity of the exacerbation.
Correct answer: C
Rationale: The priority nursing intervention during an acute asthma exacerbation is to administer short-acting beta-agonists (SABAs) as prescribed. SABAs help in quickly relieving bronchospasm and are considered the first-line treatment for acute exacerbations. Administering corticosteroids, positioning the client, and obtaining a peak flow reading are important interventions but come after administering SABAs in the management of acute asthma exacerbation.
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