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 60-year-old male patient presents with severe and persistent pain in his left leg and hip that worsens with activity. After further evaluation, the patient is diagnosed with osteosarcoma. Which of the following is true about osteosarcoma?
- A. It is more common in children and young adults.
- B. Early diagnosis improves the prognosis.
- C. It is frequently located in the leg bones.
- D. All of the above are true.
Correct answer: D
Rationale: Osteosarcoma is a type of bone cancer that can be found in any bone but is most commonly located in the long bones of the legs. While it is more prevalent in children and young adults, it can also occur in older individuals like the 60-year-old male patient in this case. Early diagnosis is crucial for a better prognosis in osteosarcoma cases. Therefore, all the statements provided are true regarding osteosarcoma, making option D the correct answer. Option A is accurate as osteosarcoma is more common in children and young adults. Option B is correct as early diagnosis improves the prognosis. Option C is accurate as osteosarcoma is frequently located in the leg bones.
3. A patient is starting on medroxyprogesterone acetate (Provera) for endometriosis. What should the nurse include in the patient teaching?
- A. Take the medication with food to prevent nausea.
- B. Take the medication at the same time each day to maintain consistent hormone levels.
- C. Avoid prolonged sun exposure while taking this medication.
- D. Discontinue the medication if side effects occur.
Correct answer: B
Rationale: The correct answer is B. Patients starting on medroxyprogesterone acetate (Provera) for endometriosis should be instructed to take the medication at the same time each day to maintain consistent hormone levels and effectiveness. Choice A is incorrect because medroxyprogesterone acetate can be taken with or without food. Choice C is unrelated to the medication and not a specific concern with its use. Choice D is incorrect as patients should not discontinue the medication without consulting their healthcare provider, even if side effects occur.
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. Why is the administration of benzene hexachloride (Lindane) for the treatment of scabies applied in small quantities?
- A. Excessive applications will lead to central nervous system toxicity.
- B. Excessive applications will cause irritation, rash, and inflammation.
- C. Excessive applications will cause headaches, dizziness, and diarrhea.
- D. Excessive applications will lead to anorexia and cachexia.
Correct answer: A
Rationale: The rationale for instructing the patient to apply benzene hexachloride (Lindane) in small quantities for scabies treatment is that excessive applications can lead to central nervous system toxicity. Lindane is a neurotoxin, and overuse or incorrect application can result in adverse effects on the central nervous system, such as seizures, dizziness, and even death. Choices B, C, and D are incorrect because they do not reflect the specific toxic effects associated with Lindane, which primarily affects the central nervous system rather than causing skin irritation, gastrointestinal symptoms, or metabolic issues.
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