Which of the following statements regarding calibration of thermometers is correct?
a. Thermometers can be calibrated by an ice-water method using a 50% ice/50% water mixture at least 2 inches deep.
b. Thermometers can be calibrated by a boiling-water method at 212 degrees F.
c. Thermometers should be calibrated before the work shift begins.
d. If a thermometer is dropped on the floor, it should be re-calibrated.
e. all of the above answers are correct
e
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Which of the following substances is released by intestinal bacteria, travels to the liver, and initiates further liver damage?
A) endotoxin B) acetaldehyde C) free radicals D) MEOS
In the body, the capacity to do the work of digesting and absorbing a meal, contracting heart muscles, fueling the heartbeat, and creating new body cells is referred to as
A) energy. B) non-essential nutrients. C) nutrients. D) essential nutrients.
For most people, the best way to ensure adequate fluid intake is to drink:
a. at least 8 cups of water daily. b. fluids that contain electrolytes. c. according to thirst. d. fluids that do not contain alcohol or caffeine.
_______________ produced in the endothelial cells controls the normal relaxation of smooth muscle in the arteries and arterioles.
Fill in the blank(s) with the appropriate word(s).