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Which of the following laboratory values may be elevated on the liver function panel of a patient who is an alcohol abusers? A. Serum GGT B. Serum creatinine C. Serum Bilirubin D. BUN {Ans: The serum gamma glutamyl transaminase may become elevated in patients who are alcohol abusers. It can be used to screen for chronic alcohol abuse and occult alcoholism. The GGT can become elevated in liver disease and bile duct obstruction. It is a sensitive test for detecting obstructive jaundice, cholangitis, and cholecystitis.}The Lachman maneuver is used to detect which of the following? A. Instability of the knee B. Nerve damage of the knee due to past knee injuries C. Integrity of the patellar tendon D. Tears on the meniscus of the knee {Ans: A) Instability of the knee The Lachman maneuver is a test performed to assess for knee instability (i.e., damage to the motion of anterior translation [laxity] of the anterior cruciate ligament [ACL]). The maneuver should be tested on both knees, comparing the injured and the opposite knee, the uninjured knee is used as the "control." The test is positive if the injured knee slips back further (laxity). Perform the test by bending