During an allergic reaction, basophils release histamines and heparin. What respective roles do these chemicals play?
A. Reduce inflammation and facilitate blood clotting.
B. Increase tissue inflammation and inhibit blood clotting.
C. Reduce inflammation and inhibit blood clotting.
D. Reduce tissue inflammation and inhibit blood clotting.
Ans: B. Increase tissue inflammation and inhibit blood clotting.
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As the number of rows of detectors increases in a CT gantry, the number of slices obtained with each revolution of the tube decreases.
Answer the following statement true (T) or false (F)
What is the primary role of salt as a constituent of sweat in evaporative cooling systems?
A) Boiling point elevation B) Water balance C) Blood pressure regulation D) Electrolyte adjustment
Hemoglobin in blood, collagen in tendons, and enzymes in the digestive system are all examples of
A. carbohydrates. B. catalysts. C. amino acids. D. lipids. E. proteins.
Consuming a meal high in salt will
A) drastically increase the osmolarity of the blood. B) result in a temporary increase in blood volume. C) decrease thirst. D) cause hypotension. E) decrease renin secretion.