What is considered the toxic level of blood ethanol??
A) ?less than 10 mg/dL
B) ?11-24 mg/dL
C) ?25-45 mg/dL
D) ?50-80 mg/dL
D
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What happens to the temperature of a substance as it is changing phase from a liquid to a solid?
A. its temperature increases due to the absorption of latent heat B. its temperature decreases due to the heat of vaporization C. its temperature decreases due to the latent heat of fusion D. its temperature remains the same due to the latent heat of fusion
Roles that phytochemicals play in disease reduction include all of the following EXCEPT:
a. acting as hormone-initiating substances in cancer. b. decreasing formation of blood clots. c. blocking or neutralizing enzymes that promote the development of cancer. d. serving as antioxidants that prevent and repair damage to cells due to oxidation.
Which is a peptide hormone that is produced in the stomach and stimulates appetite?
a. ghrelin b. lignin c. cholecystokinin d. amylin e. peptide YY
The need for iron is greater in ___.
a. men who engage in strenuous physical activity b. menopausal women c. people who use tobacco d. women during pregnancy