Kidney stones____
a. are four times more likely to occur in men than women
b. usually cause extreme pain
c. cause no pain when they enter the ureter
d. are formed when proteins that are dissolved in the urine concentrate
e. never block the flow of urine
ANSWER: a
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All of the following are goals of conservation
biology EXCEPT a. to investigate the decline in genetic diversity. b. to survey the range of biodiversity. c. to determine if loss of any specific species would be detrimental to mankind. d. to identify ways to maintain and use biodiversity to help man. e. all of these are goals of conservation biology.
Which of the following would have the fastest flow, given the same discharge?
A) deep wide stream B) deep narrow stream C) shallow narrow stream D) shallow wide stream
What benefit do animals get from having very long loops of the nephron?
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