<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 48-year-old man presents to his primary care physician with a complaint of lower back pain that has developed over the past week. He works in construction but cannot recall a specific injury or incident that could have led to this pain. He denies any pain, weakness, or changeloss of sensation in his legs. The patient also reports no episodes of incontinence and confirms that he has not noted any changes in his bowel movements or urination. His temperature is 97.6F 36.4C, blood pressure is 13382 mmHg, pulse is 82min, respirations are 15min, and oxygen saturation is 98 on room air. Physical examination reveals no focal spine tenderness and demonstrates 55 strength and intact sensation to light touch throughout the lower extremities. Which of the following is the most appropriate next step in management?? A: CRP level, B: CT spine, C: Ibuprofen and bed rest, D: MRI spine, E: Naproxen and activity as tolerated,  <response>: This is a clinical vignette about a 48-year-old man with acute onset lower back pain without any neurological deficits or concerning symptoms. The question is asking about the most appropriate next step in management.Choice A tests CRP level which is not useful in this scenario. Choice B gets a CT scan which exposes the patient to unnecessary radiation and is not indicated. Choice C provides symptomatic treatment with ibuprofen and bedrest which may help temporarily but does not address the underlying cause. Choice D gets an MRI which is unnecessary in the initial workup. Choice E provides naproxen for pain control and encourages activity which is reasonable initial management.E: Naproxen and activity as tolerated 