Question
Human Anatomy and Physiology Question on Cardiovascular system
The β1 and β2 adrenergic receptor subtype agonist acting at atrioventricular node produces following responses
A
Increases contractility and conduction velocity
B
Increases automaticity and conduction velocity
C
Increases contractility and automaticity
D
Increases conduction velocity and heart rate
Answer
Increases automaticity and conduction velocity
Explanation
Solution
The correct option is (B): Increases automaticity and conduction velocity