ATI RN
ATI Pathophysiology
1. A patient is being treated for a severe fungal infection with amphotericin B. What is the expected length of treatment for this patient?
- A. 1 to 2 weeks
- B. 3 to 6 weeks
- C. 4 to 12 weeks
- D. 15 to 18 weeks
Correct answer: C
Rationale: The correct answer is C: '4 to 12 weeks.' Amphotericin B treatment duration for severe fungal infections typically ranges from 4 to 12 weeks. This extended period is necessary to ensure complete eradication of the fungal infection and prevent relapse. Choices A, B, and D provide durations that are either too short or too long for treating severe fungal infections effectively, making them incorrect.
2. 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.
3. Which of the following is found in higher concentrations within intracellular fluid?
- A. Magnesium
- B. Sodium
- C. Chloride
- D. Bicarbonate
Correct answer: A
Rationale: Magnesium is the correct answer as it is found in higher concentrations within intracellular fluid, where it plays vital roles in various cellular functions. Sodium, chloride, and bicarbonate are predominantly found in extracellular fluid rather than intracellular fluid, making them incorrect choices for this question.
4. A report comes back indicating that muscular atrophy has occurred. A nurse recalls that muscular atrophy involves a decrease in muscle cell size:
- A. Number
- B. Size
- C. Vacuoles
- D. Lipofuscin
Correct answer: B
Rationale: The correct answer is B: Size. Muscular atrophy is characterized by a reduction in the size of muscle cells. This decrease in size can be due to various factors such as disuse, aging, or disease. Choice A, Number, is incorrect because muscular atrophy does not involve a decrease in the number of muscle cells but rather their size. Choice C, Vacuoles, is incorrect as vacuoles are not directly related to the definition of muscular atrophy. Choice D, Lipofuscin, is incorrect as lipofuscin is a pigment associated with aging and has no direct connection to the decrease in muscle cell size seen in muscular atrophy.
5. Peritonitis is a condition that can result in serious complications. Identify one of the complications.
- A. Increased peristalsis
- B. Dizziness and malaise
- C. Sepsis and shock
- D. Nausea and vomiting
Correct answer: C
Rationale: Corrected Rationale: Peritonitis can lead to severe complications such as sepsis and shock due to the infection spreading in the abdominal cavity. Sepsis is a systemic inflammatory response to infection, and shock is a life-threatening condition where the body's organs are not receiving enough blood flow. Choices A, B, and D are incorrect. Increased peristalsis is not a typical complication of peritonitis; dizziness and malaise, as well as nausea and vomiting, are symptoms rather than complications of the condition.
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