________ is the iron-containing protein in red blood cells that carries oxygen.
A. Hemoglobin
B. Myoglobin
C. Cytochrome
D. Ferritin
Answer: A
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According to the Physical Activity Guidelines for Americans substantial health benefits occur when adults engage ________.
A. in occasional physical activity B. in 75 minutes of moderate intensity exercise each week C. in 150 minutes of moderate intensity exercise each week D. None of these responses are correct.
Folate deficiency during pregnancy is associated with
A) pellagra. B) gestational diabetes. C) neural tube defects. D) Down's syndrome.
What percentage of a person’s ingested energy intake is required to convert excess dietary fat to body fat?
a. 5 b. 15 c. 25 d. 35 e. 45
High-intensity, short-duration activities are fueled primarily by:
1.glucose. 2.fat. 3.amino acids. 4.glycerol.