Infectious agents known as (endospores/cysts/prions) are the most resistant to antimicrobial agents or processes.
Fill in the blank(s) with the appropriate word(s).
prions
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The most common infectious disease of humans is
A. the common cold. B. dental caries. C. hepatitis A. D. halitosis
Most burrowing animals of estuaries exchange gases with their environment through their skin
Indicate whether the statement is true or false
Neurotransmitters affect postsynaptic cells by _____. I) initiating signal transduction pathways in the cells II) causing molecular changes in the cells III) affecting ion-channel proteins IV) altering the permeability of the cells
A) I and III B) II and IV C) III and IV D) I, II, III, and IV
Please order the following choices to reflect the stages of the inflammatory response, from the first to the last.
> Neutrophils clean up the area by phagocytosis of microbes and dead cells; accumulation can contribute to pus. > Chemical mediators are released by tissue cells in response to injury or infection. > Vasodilation of the blood vessels to increase blood flow > Permeability of the capillaries increases, allowing plasma and WBCs to exit the blood vessels into the inflamed tissue. > Regeneration of the tissue or formation of scar tissue completes the repair process. > WBCs migrate through the tissue spaces toward the actual site of injury or infection.