ATI RN
ATI Pathophysiology Test Bank
1. A nurse practitioner is seeing a client in the clinic with a suspected diagnosis of bacterial meningitis. What should the nurse anticipate as the priority action?
- A. Administer the first dose of antibiotics immediately after blood cultures are drawn.
- B. Start an IV line and administer corticosteroids to reduce inflammation.
- C. Isolate the client to prevent the spread of infection.
- D. Perform a lumbar puncture to confirm the diagnosis.
Correct answer: A
Rationale: The correct answer is to administer the first dose of antibiotics immediately after blood cultures are drawn for suspected bacterial meningitis. This is crucial to initiate treatment promptly and improve patient outcomes. Starting an IV line and administering corticosteroids (Choice B) may be part of the treatment plan but administering antibiotics is the priority. Isolating the client (Choice C) is important to prevent the spread of infection but not the priority over initiating antibiotic therapy. Performing a lumbar puncture (Choice D) may confirm the diagnosis, but treatment should not be delayed for this step in suspected cases of bacterial meningitis.
2. Which patient is most likely to be diagnosed with complex regional pain syndrome II (CRPS II)?
- A. A patient who has experienced a spinal cord injury and reports severe, burning pain in his legs.
- B. A patient who reports severe pain in her hand following a surgery for carpal tunnel syndrome.
- C. A patient who develops pain in his foot following a fracture and immobilization with a cast.
- D. A patient who experiences chronic pain and swelling in his arm following a brachial plexus injury.
Correct answer: D
Rationale: Complex regional pain syndrome II (CRPS II) typically occurs after an injury to a peripheral nerve. In this case, a brachial plexus injury involves damage to the nerves that control muscles in the arm and hand, leading to chronic pain and swelling. Choices A, B, and C describe pain related to other conditions such as spinal cord injury, carpal tunnel surgery, and fracture immobilization, which are not typically associated with CRPS II.
3. Which of the following nursing diagnoses would provide the most plausible indication for the use of epoetin alfa (Epogen) in a patient with renal failure?
- A. Risk for infection related to decreased erythropoiesis
- B. Activity intolerance related to decreased oxygen-carrying capacity
- C. Powerlessness related to sequelae of renal failure
- D. Ineffective breathing pattern related to inadequate erythropoietin synthesis
Correct answer: B
Rationale: The correct answer is B. In a patient with renal failure, the use of epoetin alfa (Epogen) is primarily aimed at addressing the decreased oxygen-carrying capacity due to impaired erythropoiesis. Epoetin alfa is a medication that stimulates red blood cell production, thereby improving the oxygen-carrying capacity of the blood. This would directly address the activity intolerance commonly seen in patients with renal failure. Choices A, C, and D are incorrect because they do not directly relate to the primary purpose of using epoetin alfa in this context. Risk for infection, powerlessness, and ineffective breathing pattern are important considerations in the care of a patient with renal failure, but they are not the primary indications for using epoetin alfa.
4. In osteoporosis, what is the expected therapeutic action of raloxifene (Evista)?
- A. It decreases bone resorption and increases bone density.
- B. It stimulates the formation of new bone.
- C. It increases calcium absorption in the intestines.
- D. It decreases the excretion of calcium through the kidneys.
Correct answer: A
Rationale: The correct answer is A. Raloxifene works by decreasing bone resorption and increasing bone density. This helps in strengthening bones, reducing the risk of fractures, and improving bone health in patients with osteoporosis. Choice B is incorrect because raloxifene does not directly stimulate the formation of new bone but rather prevents bone loss. Choice C is incorrect as raloxifene does not primarily affect calcium absorption in the intestines. Choice D is also incorrect as raloxifene does not primarily decrease the excretion of calcium through the kidneys.
5. Which of the following tests is recommended for lung cancer screening?
- A. Chest X-ray
- B. Pulmonary function test
- C. Computed tomography (CT) scan
- D. Magnetic resonance imaging
Correct answer: C
Rationale: The correct answer is Computed tomography (CT) scan. When screening for lung cancer, CT scans are recommended over chest X-rays due to their higher sensitivity in detecting lung nodules and early-stage cancers. Pulmonary function tests are not used for screening lung cancer but rather to assess lung function. Magnetic resonance imaging is not the preferred imaging modality for routine lung cancer screening, as CT scans are more commonly used.
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