Vagal stimulation of the hea causes all, EXCEPT:
Correct Answer: Decreased R-R interval in ECG
Description: Parasympathetic supply to the hea by vagus nerve causes decreased hea rate, decreased force of contraction, decreased cardiac output. R-R interval is the time interval between consecutive hea beats in the ECG. So a decrease in hea rate increases the R-R interval.
Category:
Physiology
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