The function of calcitonin is to : a. decrease level of calcium in the blood
b. increase blood glucose levels
c. decrease blood glucose levels
d. increase level of calcium in the blood
e reduce formation of urine (conserve water)

Emotional signs of stress include aches and nausea

Which term matches this definition? treating all human blood and other potentially infectious material, as if known to be infectious, for bloodborne pathogens. a. exposure control plan b. engineering controls c. universal precautions d. personal protective equipment

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4