What would happen if your SA node and AV node fired at same time?
A. Blood would be forced back into the atria from the ventricles.
B. The QRS wave on an ECG would disappear, as it would be masked by the P wave.
C. Your blood pressure would increase.
D. Your stroke volume would decrease.
E. The production of nitric oxide by your endothelial cells would increase.
Answer: D
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When calculating leaf litter decomposition, what must be taken into account?
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