A recent study found that overweight and obesity costs the U.S. about how many dollars a year?
A) $250 billion
B) $270 billion
C) $300 billion
D) $350 billion
Answer: B
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Which of the following is recognized by the innate immune system and triggers an immune response that will produce antiviral cytokines and trigger effector molecules?
A. Complement B. IgA C. IL-2 D. PAMPs E. TNF-?
Which term does not refer to an abnormal color of the skin?
A) cyanosis B) urticaria C) jaundice D) erythema
In this stage of death, a child believes that an outside source such as a "bogeyman" caused death.
A. stage 1 B. stage 2 C. stage 3 D. stage 4
Blood buffers, used to improve anaerobic performances, exert their effect by
A. slowing the rate of increase in plasma H+ and thus, maintaining pH homeostasis. B. altering the rate at which oxygen leaves the hemoglobin. C. slowing the rate of decrease of creatine phosphate. D. decreasing the rate at which H+ leaves muscle.