Chronically high blood pressure is called
a. ventricular fibrillation.
b. hypertension.
c. leukemia.
d. sickle-cell anemia.
e. a stroke.
Answer: b
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The most abundant gas in the earth's atmosphere is
a. oxygen. b. water vapor. c. argon. d. nitrogen. e. carbon dioxide.
Plasma is a serum without the clotting factors
a) true b) false
A graduate student is studying the feeding behavior of a small octopus that must be laboriously collected from the shores of a remote island. Her intern wishes to do experiments to look at the octopus's mating behavior. Why might the graduate student veto this idea?
A. The octopus has iteroparous reproduction, and will eat its mate. B. The octopus has semelparous reproduction, and will die after laying one batch of eggs. C. The octopus has semelparous reproduction, and will eat its mate. D. The octopus has iteroparous reproduction, and will die after laying one batch of eggs.
Which of these combinations would be found in a nucleotide?
a. base-acid-salt b. adenine-thymine-uracil c. base-sugar-phosphate d. DNA-RNA-nucleus e. sugar-protein-fat