Which of the following is the first complement factor to be activated, resulting in insertion of one of its subunits into the pathogen surface in two of the three complement fixation pathways?
A. C2
B. C3
C. Factor B
D. Factor D
E. C4
E
Health & Biomechanics
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Benign tumors are usually fatal.
Answer the following statement true (T) or false (F)
Health & Biomechanics
The gastric mucosa is arranged in thick, deep folds that expand as the stomach fills called ________
A) haustra B) rugae C) uvula D) villi
Health & Biomechanics
Which amendment to the U.S. Constitution has repeatedly surfaced in the gun control debate?
A. First B. Second C. Sixth D. Fourth
Health & Biomechanics
Heroin is linked to criminal behavior, but NOT
a. violent behavior c. community problems b. family problems d. financial problems
Health & Biomechanics