[laxitjn]

If you cut off the autonomic supply to the heart how it will respond to
1. Changes in resistance
2. Exercise

 

[khanar]

I remember I've seen that question before but I forgot the answer.

Please tell us the answer :sorry:

 

[drahmednawaz]

So simple. There will be no response. No reflex increases or decreases in heart rates.

 

[bronchiole]

please pardon my ignorance, but isn't cutting off the autonomic supply is similar to ganglion block? If that is the case,then sympathetic action will have the override on heart's behavior.

 

[good_boy_1234]

I guess:

The heart rate will increase to 100 bpm during rest since the parasympathetic discharge that normally decrease the rate from 100 to 70 in the Sinoatrial node.
During Excercise: I think it will stay the same 100. since the sympathetic supply was cut.