ATI RN
Pathophysiology Practice Exam
1. 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.
2. The patient should be taught that an improvement in symptoms will likely be noticed within
- A. 48 hours.
- B. a week to 10 days.
- C. 2 to 3 weeks.
- D. 4 to 6 weeks.
Correct answer: C
Rationale: When taking isoniazid and rifampin for active tuberculosis, patients should be taught that an improvement in symptoms will likely be noticed within 2 to 3 weeks. Choice A (48 hours) is too soon to expect significant improvement in symptoms. Choice B (a week to 10 days) is also too early for noticeable improvement with this medication regimen. Choice D (4 to 6 weeks) is too far out to expect a noticeable improvement in symptoms.
3. The parents of a 3-year-old boy have brought him to a pediatrician for assessment of the boy's late ambulation and frequent falls. Subsequent muscle biopsy has confirmed a diagnosis of Duchenne muscular dystrophy. Which teaching point should the physician include when explaining the child's diagnosis to his parents?
- A. Your child may develop breathing difficulties as the disease progresses.
- B. Your child is likely to benefit from physical therapy and exercise.
- C. This condition can be cured with early intervention and treatment.
- D. The disease is caused by inflammation in the muscles, which leads to weakness.
Correct answer: A
Rationale: The correct teaching point that the physician should include when explaining Duchenne muscular dystrophy to the parents is that 'Your child may develop breathing difficulties as the disease progresses.' Duchenne muscular dystrophy is a progressive condition that affects muscle strength, including respiratory muscles, leading to breathing difficulties as the disease advances. Choice B is incorrect because while physical therapy and exercise can help maintain muscle function and mobility, they do not cure the condition. Choice C is incorrect because Duchenne muscular dystrophy is a genetic disorder with no known cure. Choice D is incorrect as Duchenne muscular dystrophy is primarily characterized by a lack of dystrophin protein due to genetic mutations, not inflammation in the muscles.
4. A 30-year-old woman is taking an oral contraceptive and is concerned about the potential side effects. What should the nurse include in the patient education?
- A. Oral contraceptives can cause weight loss and increased energy levels.
- B. Oral contraceptives can cause increased appetite and weight gain.
- C. Oral contraceptives can cause headaches and breast tenderness.
- D. Oral contraceptives have no side effects.
Correct answer: C
Rationale: The correct answer is C: 'Oral contraceptives can cause headaches and breast tenderness.' It is essential for the nurse to educate the patient about common side effects of oral contraceptives, such as headaches and breast tenderness. Choices A, B, and D are incorrect. Weight loss and increased energy levels (Choice A) are not common side effects of oral contraceptives. Similarly, increased appetite and weight gain (Choice B) are not typical side effects. Finally, stating that oral contraceptives have no side effects (Choice D) is inaccurate as they can have various side effects, albeit usually mild and manageable.
5. A patient with a history of venous thromboembolism is prescribed hormone replacement therapy (HRT). What should the nurse discuss with the patient regarding the risks of HRT?
- A. HRT is associated with an increased risk of venous thromboembolism, so the patient should be aware of the signs and symptoms of blood clots.
- B. HRT can decrease the risk of osteoporosis, but the patient should also be aware of the increased risk of venous thromboembolism.
- C. HRT may increase the risk of breast cancer, so the patient should undergo regular breast exams.
- D. HRT can improve mood and energy levels, but it also carries a risk of cardiovascular events.
Correct answer: A
Rationale: The correct answer is A. Hormone replacement therapy (HRT) is indeed associated with an increased risk of venous thromboembolism. Therefore, patients should be educated about the signs and symptoms of blood clots and advised to seek immediate medical attention if they occur. Choice B is incorrect because although HRT may decrease the risk of osteoporosis, the focus of concern in this case is the increased risk of venous thromboembolism. Choice C is incorrect as it mentions the risk of breast cancer, which is not the primary concern when discussing HRT with a patient with a history of venous thromboembolism. Choice D is also incorrect as it mentions cardiovascular events, which are not the main focus of risk associated with HRT in this scenario.
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