The release of histamine during an allergic reaction causes:
A. reduced vascular permeability.
B. systemic vasodilation.
C. reduced cardiovascular function.
D. smooth muscle relaxation.
B
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Which is NOT a key criterion for coding multiple procedures?
A) the same Root Operation is performed on multiple Body parts B) a biopsy is performed during a separate operative session from a procedure C) the Root operation with distinct objectives is performed on the same Body Part D) a root operation is attempted with one Approach the converted to a different approach
If a low-land resident ascends to a high mountain altitude, which of the following would be stimulated first?
A. peripheral chemoreceptors due to drop in PaCO2 B. peripheral chemoreceptors due to drop in PaO2 C. central chemoreceptors due to increase in H+ in CSF D. central chemoreceptors due to drop in PaO2