ATI RN
MSN 570 Advanced Pathophysiology Final 2024
1. Which of the following is a characteristic of osteosarcoma?
- A. Slow-growing tumor that begins in the bone marrow
- B. Solitary tumor that most often affects the metaphyseal region of the femur or tibia
- C. An aggressive tumor most often found in the bone marrow of long bones
- D. A tumor that infiltrates the trabeculae in spongy bone and implants in surrounding tissue
Correct answer: C
Rationale: Osteosarcoma is an aggressive bone tumor that most commonly arises in the bone marrow of long bones, such as the femur or tibia. Choice A is incorrect as osteosarcoma is not a slow-growing tumor but rather a fast-growing one. Choice B is incorrect as osteosarcoma is not typically solitary but can involve multiple lesions. Choice D is incorrect as osteosarcoma primarily affects the medullary (marrow) cavity of bones, rather than infiltrating the trabeculae in spongy bone and surrounding tissue.
2. A female client with bone metastases secondary to lung cancer is admitted for palliative radiation treatment and pain control. The client is currently experiencing pain that she rates at 9 out of 10. Which of the following nonpharmacologic treatments is most likely to be a useful and appropriate supplement to pharmacologic analgesia at this point?
- A. Teaching the client guided imagery and meditation
- B. Initiating neurostimulation
- C. Heat therapy
- D. Relaxation and distraction
Correct answer: D
Rationale: In the scenario described, the client is experiencing high pain levels, rated at 9 out of 10. Relaxation and distraction techniques are effective nonpharmacologic interventions for managing pain. Teaching the client guided imagery and meditation (Choice A) can also be beneficial; however, in this acute situation of severe pain, relaxation and distraction techniques are more likely to provide immediate relief. Initiating neurostimulation (Choice B) and heat therapy (Choice C) may not be suitable for immediate pain relief in this scenario and are not as commonly used for managing high pain levels in palliative care settings.
3. What assessment is the nurse performing when a client is asked to stand with feet together, eyes open, and hands by the sides, and then asked to close the eyes while the nurse observes for a full minute?
- A. Romberg test
- B. Weber test
- C. Rinne test
- D. Babinski test
Correct answer: A
Rationale: The correct answer is A, Romberg test. The Romberg test is used to assess balance and proprioception. During the test, the client is asked to stand with feet together, eyes open, and hands by the sides to observe their balance. Then, the client is asked to close their eyes while the nurse continues to observe for a full minute. This test helps in detecting any issues with proprioception and balance, which may be compromised in conditions affecting the nervous system. Choices B, C, and D are incorrect because the Weber test is used to assess hearing in each ear, the Rinne test is used to compare air and bone conduction of sound, and the Babinski test is used to assess the integrity of the corticospinal tract.
4. 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.
5. A healthcare professional is assessing a client with suspected myasthenia gravis. Which symptom would the healthcare professional expect to find?
- A. Muscle atrophy
- B. Facial weakness
- C. Ptosis and diplopia
- D. Increased muscle tone
Correct answer: C
Rationale: Ptosis (drooping eyelid) and diplopia (double vision) are classic symptoms of myasthenia gravis. Muscle atrophy (Choice A) is not a typical early manifestation of myasthenia gravis. While facial weakness (Choice B) can occur, it is not as specific as ptosis and diplopia. Increased muscle tone (Choice D) is more indicative of conditions like spasticity, not myasthenia gravis.
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