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. A 20-year-old male shoots his hand with a nail gun while replacing roofing shingles. Which of the following cell types would be the first to aid in killing bacteria to prevent infection in his hand?
- A. Eosinophils
- B. Neutrophils
- C. Leukotrienes
- D. Monocytes
Correct answer: B
Rationale: Neutrophils are the first responders to bacterial infections. When there is a breach in the skin like in this scenario, neutrophils are quickly recruited to the site of injury to phagocytize and kill bacteria. Eosinophils are primarily involved in parasitic infections and allergic reactions, making choice A incorrect. Leukotrienes are lipid mediators involved in inflammation but are not cells, so choice C is incorrect. Monocytes are precursors to macrophages and play a role in immune response, but they are not the first cells to arrive at the site of a bacterial infection, making choice D incorrect.
3. A group of nursing students at Nurseslabs University is currently learning about family violence. Which of the following is true about the topic mentioned?
- A. Family violence affects every socioeconomic level.
- B. Family violence is caused by drugs and alcohol abuse.
- C. Family violence predominantly occurs in lower socioeconomic levels.
- D. Family violence rarely occurs during pregnancy.
Correct answer: A
Rationale: The correct answer is A: Family violence affects individuals across all socioeconomic levels. Family violence is not limited to any specific socioeconomic level; it can happen in any family, regardless of their economic status. Choice B is incorrect because while substance abuse can contribute to family violence, it is not the sole cause. Choice C is incorrect as family violence can occur in families from all socioeconomic backgrounds. Choice D is incorrect as family violence can indeed occur during pregnancy, posing serious risks to both the mother and the unborn child.
4. A client with heart failure is experiencing pulmonary edema. Which intervention should be prioritized?
- A. Administer diuretics to reduce fluid overload.
- B. Position the client in high-Fowler's position.
- C. Administer oxygen therapy to improve oxygenation.
- D. Restrict fluid intake to prevent further fluid overload.
Correct answer: C
Rationale: In a client experiencing pulmonary edema due to heart failure, the priority intervention is to administer oxygen therapy to improve oxygenation. This helps in increasing the oxygen levels in the blood, thereby improving tissue perfusion and reducing the workload on the heart. Positioning the client in high-Fowler's position can also aid in improving oxygenation, but administering oxygen therapy directly addresses the immediate need for increased oxygen levels. Administering diuretics to reduce fluid overload and restricting fluid intake are important interventions in heart failure management, but in the acute situation of pulmonary edema, oxygen therapy takes precedence to ensure adequate oxygen supply to vital organs.
5. In emphysema, what features result in impaired oxygenation?
- A. The bronchioles are inflamed and filled with mucus
- B. The alveoli have lost surfactant and collapse
- C. Enlarged, permanently inflated alveoli
- D. The accumulation of purulent fluid in the bronchioles
Correct answer: C
Rationale: The correct answer is C. In emphysema, impaired oxygenation results from enlarged and permanently inflated alveoli, leading to reduced surface area for gas exchange. Choices A, B, and D are incorrect. In emphysema, bronchioles are not typically filled with mucus, alveoli losing surfactant and collapsing is more characteristic of conditions like atelectasis, and purulent fluid accumulation in the bronchioles is commonly seen in conditions like pneumonia, not emphysema.
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