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OBJECTIVES Increasing the size of medical school classes has resulted in the use of community hospitals for emergency medicine (EM) clerkships. While differences in clinical experience are expected, it is unclear if they are significant. The authors set out to investigate whether or not clinical site affects student performance on a standard written exam as(More)
The objective of this study was to determine whether feeding high dietary fat, during pregnancy and lactation of Sprague-Dawley rats, can modulate hepatic drug-metabolizing enzymes of the offspring during postnatal development. Time-pregnant rats were pair-fed isocalorically 20% (experimental) or 5% (control) corn oil diets from day 10 of gestation until(More)
The present study was undertaken to determine the effects of beta-carotene on corn oil-induced superoxide dismutase and catalase. Six groups of male Buffalo rats were fed the following diets for 6 wk: a control diet containing recommended levels of beta-carotene and retinyl palmitate, a retinol diet containing 10 times the recommended level of retinyl(More)
This study was designed to determine the effect of corn starch, lactose, and sucrose on lead (Pb) absorption and retention in rat tissues and organs. Seventy weanling Wistar male rats were assigned to the following five treatment groups: Group 1, 31.2% sucrose + 29.3% starch; Group 2, 31.2% lactose + 29.3% starch; Group 3, 60% corn starch (control); Group(More)
In vitro studies have established that insulin enhances the oxidation of pyruvate to acetyl CoA by the stimulation of mitochondrial pyruvate dehydrogenase (PDH) activity through plasma membrane binding response (Jarett and Seals 1979; Kiechle, Jarett, Dennis and Kotagal 1980). In the present study adipose tissue PDH activity was utilized as a marker for(More)