What is the first step in the major events of the inflammatory process?
A. Injury and mast cells releasing chemical mediators
B. Activation of complement
C. Scar formation and/or resolution
D. Vascular reactions
E. Formation of pus and edema
Answer: A
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It is likely that over half of human proteins have their synthesis regulated by miRNAs
A. true B. false
In the body, stem cells in bone marrow will develop into ____
a. muscle cells b. bone cells c. blood cells d. skin cells e. nerve cells
Anthrax, which means "charcoal" in Greek, derives its name from
A) the airborne endospores it produces. B) the staining properties of the bacillus under the microscope. C) the black eschars it produces on human skin. D) its ability to invade the bloodstream and produce toxemia. E) the high mortality it causes in infected individuals.
Strep throat may progress to ________, characterized by a skin rash and a bright red swollen tongue.
A. pyoderma B. toxic shock syndrome C. scarlet fever D. rheumatic fever E. scalded skin syndrome