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Questions and Answers
The heart rate increases during exercise by all the following increases EXCEPT:
The heart rate increases during exercise by all the following increases EXCEPT:
- The venous return
- The arterial blood pressure (correct)
- The blood temperature
- The CO2 and H+.
Bainbridge reflex states that, when venous return increases:
Bainbridge reflex states that, when venous return increases:
- The stroke volume increases
- The heart rate increases (correct)
- The COP decreases
- The coronary flow decreases.
Increases the heart rate at the start of exercise is due to impulses from:
Increases the heart rate at the start of exercise is due to impulses from:
- The contracting muscles (correct)
- The cerebral cortex
- Hypothalamus
- The respiratory center.
