An ischemic stroke is caused by:
A. a ruptured blood vessel.
B. spasming vessels.
C. a clot blocking blood flow.
D. abnormal electrical activity in the brain.
C
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Resident flora is a specific bacteria type that ____________________________
A. attacks normal human tissue B. lives normally in human tissues
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When writing an abbreviation for a plural measurement, you should add an "s" to the abbreviation
Indicate whether the statement is true or false
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