A stroke may occur when a vessel in the ____
a. brain ruptures
b. heart ruptures
c. brain is blocked by a clot
d. heart is blocked by a clot
e. heart ruptures, and a vessel in the brain is blocked by a clot
ANSWER: c
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The following statements are all true about
energy except one. Choose the exception.
a. Energy is captured by heterotrophs. b. Energy is not recycled. c. Energy is the ability to do work. d. Energy has a tendency to disperse. e. Energy can be transferred from one form to another.
The average American uses as many resources in one day as 370 Ethiopians
Indicate whether the statement is true or false
Which of the following is a purpose for the presence of hydrochloric acid in the stomach?
a. It folds proteins. b. It activates amylase. c. It emulsifies fats. d. It kills bacteria.
The __________ controls normal body temperature; it is stimulated to reset the body to a higher temperature in response to some infections.
A) complement cascade B) lacrimal apparatus C) thyroid D) hypothalamus