In which of the following types of exercise would creatine phosphate (CP) be an important source of energy?
A) 3-mile mountain bike ride with 2000-feet elevation gain
B) 1-mile open water swim
C) sprinting in the 100-meter race
D) running a 10-kilometer road race
C
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Why does use of the BMI overestimate the prevalence of obesity in the African-American population?
a. The fat pads in blacks are situated primarily around the hips, whereas in whites the pads are primarily abdominal. b. Blacks tend to have different proportions of brown and white adipose tissue than whites. c. Blacks have denser bones and higher body protein concentrations than whites. d. Blacks have a higher average height than whites. e. Blacks have both lower average height and higher average weight than whites.
Which food(s) can vegans eat as a good source of B12?
A. yogurt B. eggs C. fortified soy milk D. nuts and seeds
The primary cause of chronic pancreatitis in U.S. adults is
a. diabetes. b. cystic fibrosis. c. alcohol ingestion. d. smoking.
Which of the following is a false statement about pigments?
a. Myoglobin receives oxygen from the blood and stores it in the muscles. b. Hemoglobin transports oxygen throughout the body and is found primarily in the bloodstream. c. The higher the concentration of hemoglobin in raw meat, the more intense is its bright color. d. Heavily exercised muscles have a higher demand for oxygen, so they are redder in color than the less exercised muscles. e. The red color of meat increases as the animal ages.