The venom from a pit viper causes all of the following effects, EXCEPT:

A) local tissue necrosis.
B) increased blood clotting.
C) neuromuscular dysfunction.
D) increased vascular permeability.


Answer: B) increased blood clotting.

Environmental & Atmospheric Sciences

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Which of the following is true of class I and class II MHC molecules?

A) They both are transmembrane proteins B) They both have peptide binding variable domains C) both a and b D) neither a nor b

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The spatial area created by external controls and discriminatory behavior is referred to as:

A. an ethnic cluster. B. an ethnoburb. C. a ghetto. D. an enclave.

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Pennsylvanian rocks have a characteristic cyclical deposition sequence of ____ and ____ sediments

called ____. a. shale, carbonate, varves b. marine, nonmarine, varves c. carbonate, shale, cyclothems d. marine, nonmarine, cyclothems e. none of the above

Environmental & Atmospheric Sciences

Both of the samples pictured here are examples of the mineral pyrite. The physical property that sets them apart is ________

A) reaction to hydrochloric acid B) crystal habit C) streak D) specific gravity

Environmental & Atmospheric Sciences