Given a curve with the following parametric equations. x =…
Given a curve with the following parametric equations. x = t2 – 2, y = 3 – t , −3 ≤ t ≤ 3 a) Which one of the following represents the sketch of the curve? [answer1] A B C D b) Eliminate the parameter to find a Cartesian equation of the curve. Which one of the following is the Cartesian equation of the curve? [answer2] A B C D
Read DetailsA 2-year-old girl is brought in for evaluation of fever for…
A 2-year-old girl is brought in for evaluation of fever for the past 2 days with no localizing symptoms. Physical exam is normal. Urinalysis reveals positive leukocyte esterase, nitrites, and pyuria. She has no history of prior urinary tract infections. What is the most appropriate initial management?
Read DetailsA 70-year-old female presents with persistent left wrist pai…
A 70-year-old female presents with persistent left wrist pain and swelling for 2 weeks after a fall. She initially thought it was a bruise; used Tylenol, and ice with minimal improvement. On exam, there is moderate swelling, ecchymosis, and markedly reduced range of motion due to pain, but no obvious deformity, no crepitus, and intact distal neurovascular function (warm fingers, strong pulse, brisk cap refill). What is the most appropriate next step in management?
Read DetailsJames, a 45-year-old truck driver, presents with low back pa…
James, a 45-year-old truck driver, presents with low back pain of gradual onset. There is no history of trauma, the pain is relieved by lying down, and his neurologic exam is normal. You initially start conservative management with NSAIDs and muscle relaxants. Three days later, he calls your office still experiencing pain and expresses concern that it might be serious. He denies any numbness, tingling, or incontinence. What is the best next step in management?
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