Cell Signalling and Transduction
In vasodilation, proper nerve signals sent to blood vessels cause

reduced blood pressure
All of these
relaxation of smooth muscle cells
the release of nitric oxide from endothelial cells

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Cell Signalling and Transduction
cAMP and cGMP are derived from

ATP and GTP by the actions of adenylate cyclase and guanylate cyclase respectively
None of these
GTP and ATP by the actions of adenylate cyclase and guanylate cyclase respectively
ATP and GTP by the actions of guanylate cyclase and adenylate cyclase respectively

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Cell Signalling and Transduction
If a disease of the blood vessels caused the endothelial cells of the vessel to die, what effect would that have on the cellular activities associated with vasodilation?

Nitric oxide would no longer be produced
All of these
Smooth muscle cells could not be made to relax
It would be more difficult to increase blood flow and reduce blood pressure

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