Which of the following statements about the incipient stage is MOST accurate?
A. The temperature is decreasing.
B. The fire is greatly influencing the environment.
C. The temperature is only slightly above ambient.
D. The concentration of the products of combustion is high.
C
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Shock patients who are not having difficulty breathing are placed head downhill because doing so:
a. increases perfusion to vital organs. b. increases the heart rate. c. increases blood pressure. d. decreases blood pressure.
Lysosomes are sometimes referred to as 1csuicide bags, 1d because the enzymes they contain can break down and digest not only proteins and certain carbohydrates but also the cell itself should the lysosome's surrounding membrane rupture. Exposure to radiation may induce such a rupture. When this occurs what will happen to the cell?
a. It will multiply spontaneously. b. It will divide very rapidly. c. It is likely to die. d. There will not be any effect on the cell.
The visceral pericardium, which lies closely against the heart, is also called the:
A. epicardium. B. endocardium. C. foramen ovale. D. coronary sinus.
Your girlfriend tells you that she has heard about a very fragrant plant that grows in the woods. She describes the plant as having bright green leaves and small white flowers. Based on your OEC knowledge of toxic plants, you believe that your girlfriend is describing:
a. lily of the valley. b. autumn crocus. c. belladonna. d. huckleberry.