Explain what blood doping is and what its results are
What will be an ideal response?
Blood doping, or red blood cell reinfusion, involves removing 250 to 500 milliliters of an athlete's own blood, extracting the red blood cells, and storing them for a few weeks prior to competition. The stored red blood cells are reinfused into the athlete's body as the day of competition approaches, so that the athlete has a higher than normal number of blood cells. This results in an increase in the amount of oxygen in the blood, which can increase aerobic endurance.
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Which of the following substances is a diuretic?
A. Salt B. Calcium C. Iron D. Alcohol
Which of the following is the best treatment approach for binge eating disorder?
A. Teaching a person to eat in response to internal hunger cues. B. A diet that lists foods to be eaten and others to be avoided. C. A structured eating plan that the person eats without regard to his or her hunger signals. D. Encouraging a person to nurture others rather than focus on his or her own needs.
An amino acid does not contain a(an) ________.
A. nitrogen-containing group B. acid group C. carbon skeleton D. fatty acid
One reason the stomach's hydrochloric acid is important is that it:
a. digests proteins. b. kills bacteria. c. converts pepsin to pepsinogen. d. facilitates the action of amylase.