The final step in the formation of a blood clot is
A) the formation of prothrombin activator.
B) tissue damage.
C) that prothrombin activator converts prothrombin to thrombin.
D) that thrombin converts fibrinogen to fibrin.
D
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Proteins that function in immunity include
A. enzymes. B. antibodies. C. hormones. D. collagens. E. fibrin.
Each gamete contains 23 chromosomes, including 22 autosomes and 1 sex chromosome
Indicate whether the statement is true or false
Regarding acids and bases, ________.
A. bases will decrease the pH of a solution B. acids will accept hydrogen ions in a solution C. acids will increase the pH of a solution D. bases will accept hydrogen ions in a solution
In the blood vessels, the frequency of white blood cells from the greatest number to the least number normally is:
A. eosinophils, monocytes, lymphocytes, neutrophils, basophils B. basophils, eosinophils, monocytes, lymphocytes, neutrophils C. neutrophiols, lymphocytes, monocytes, eosinophils, basophils D. monocytes, neutrophils, basophils, eosinophils, lymphocytes E. neutrophils, lymphocytes, monocytes, basophils, eosinophils