Opsonization is
A) the coating of a pathogen by complement to facilitate phagocytosis.
B) the sticking of monocytes to the wall of the blood vessels at the site of infection.
C) damage resulting in cell lysis.
D) nonspecific leukocyte secretion of toxins onto the surface of virally infected cells.
E) phagocyte receptors detecting PAMPs.
A
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When you inhale, the diaphragm moves ___
and the intercostal muscles move the rib cage ___.
a. downward...outward b. outward...downward c. outward...outward d. downward...downward e. outward...upward
The difference between intrapleural pressure and intra-alveolar pressure is
A) the driving force for air flow into and out of the lungs. B) zero. C) atmospheric pressure. D) approximately 100 mm Hg. E) transpulmonary pressure.
In osmosis, water moves from an area of high solute concentration to an area with lower solute concentration.
Answer the following statement true (T) or false (F)
In which area would significant water conservation have the greatest impact?
A) car washes B) power plant cooling C) the home D) agriculture