DNA is contained primarily in the _____ of a cell
a. mitochondria
b. nucleus
c. cell membrane
d. Golgi apparatus
b
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Which of the following is the most common cause of peptic ulcers?
A) aspirin B) infection with H. pylori C) GERD D) misuse of NSAIDS
Brad, a 31-year-old man, suffers from bloody diarrhea and fever. He is diagnosed with a serious condition of food poisoning caused by a pathogen that has severely infected his intestine. In this case, which of the following types of pathogens has caused the infection?
A) An enterohemorrhagic pathogen B) An enteroinvasive pathogen C) An enterotoxigenic pathogen D) An enteroaggregative pathogen
Which laboratory test is prolonged in a patient with liver disease?
a. bilirubin clearance b. albumin production c. ammonia secretion d. AST synthesis e. prothrombin time
Symptoms of PCOS often improve with a _____ loss of initial body weight
a. 2 to 4% b. 4 to 6% c. 5 to 10% d. 10 to 12% e. 15%