Slightly low hemoglobin levels are not a sign of anemia during pregnancy because:
a. the body always protects pregnant women from developing anemia.
b. red blood cells turn over more quickly during pregnancy.
c. blood volume increases more than red blood cell mass.
d. a decrease in red blood cell mass is normal during pregnancy.
Answer: c. blood volume increases more than red blood cell mass.
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a. introduction of vegetables into their diet b. addition of too much fat into their diet c. consumption of eggs d. drinking too much fruit juice e. drinking 2% milk versus whole milk
Explain the ABCs of eating behavior and behavior chains
Which metabolic reaction occurs when a cell uses energy?
a. ATP gains a phosphate group and becomes ADP. b. ADP gains a phosphate group and becomes ATP. c. ATP releases a phosphate group and becomes ADP. d. ADP releases a phosphate group and becomes ATP. e. ADP and ATP cycle back and forth repeatedly.
Chemical reactions are catalyzed by _____
a. glucose b. fatty acids c. amino acids d. enzymes