John is a 16-year-old boy who presents to the emergency room after hurting his knee in a football game. He described twisting his knee and then being unable to extend it completely.
John tells the clinician that he heard a pop when the injury occurred and has been experiencing localized pain. The clinician suspects a meniscal tear. Which test would be most appropriate to assess for the presence of a meniscal tear?
a. Valgus stress test
b. McMurray circumduction test
c. Lachman test
d. Varus stress test
Question 2
The patient is diagnosed with acute renal failure (ARF). Which of the following conditions is the most common cause?
a. Renal calculi c. Cardiac failure
b. Acute tubular necrosis d. Acute glomerulonephritis
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