The anti-ulcer drug cimetidine blocks which of the following receptors?
A) only H1
B) only H2
C) both H1 and H2
D) neither H1 nor H2
B
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Each year, an area of tropical rain forest approximately the size of Wisconsin is cleared
Indicate whether the statement is true or false
Although thousands of volatile organic compounds (VOCs) are known to exist, methane is the most abundant
a. True b. False
Which of the following statements is TRUE regarding the population pyramids of Australia and the Solomon Islands?
A) The Solomon Islands and Australia are growing at roughly the same rate.
B) Women have more children in Australia than do women in the Solomon Islands.
C) The Solomon Islands are growing faster than Australia.
D) Australia is growing faster than The Solomon Islands.
E) Australia has a younger population than the Solomon Islands.
Heat cramps are caused by:
A) sodium loss due to sweating. B) failure of the hypothalamus. C) increased potassium levels. D) increased urinary frequency.