What is the term for the fragile, invisible layer of the atmosphere about 10 to 30 miles above the earth's surface that shields the planet from the sun's hazardous ultraviolet rays?
A) the VOC
B) the fossil layer
C) the greenhouse shield
D) the ozone layer
D) the ozone layer
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Bile is produced by the ________ and stored in the ________
A) stomach, pancreas B) liver, gallbladder C) salivary glands, mouth D) gallbladder, liver
The process in which two hormones work together to accomplish an enhanced effect is called ________
A) synergism B) antagonism C) stimulation D) inhibition
Read this selection: Addison disease is caused mostly by idiopathic atrophy of the adrenal cortex. Which of the following statements best describes the cause of Addison disease?
A. The adrenal cortex shrinks due to exogenous administration of corticosteroids. B. The adrenal cortex shrinks for unknown reasons. C. The adrenal cortex is enlarged due to increased hormone production. D. The adrenal cortex becomes diseased through viral infection and shrinks E. The adrenal cortex stops functioning due to a bacterial infection.
The psychoactive chemical in marijuana is known as
A. THC. B. ethanol. C. MDMA. D. GHB.