#Question id: 30065
#Unit 7. System Physiology – Animal
Acetylcholine binds to M2 muscarinic receptors decreases cAMP in the SA nodal cells, The result is:
#Question id: 30066
#Unit 7. System Physiology – Animal
When the cholinergic vagal fibers to nodal tissue are stimulated, Membrane becomes:
#Question id: 30067
#Unit 7. System Physiology – Animal
Which of the following neurotransmitter released at the sympathetic endings?
#Question id: 30068
#Unit 7. System Physiology – Animal
Norepinephrine secreted by the sympathetic endings binds to β1 receptors, and the resulting:
#Question id: 30069
#Unit 7. System Physiology – Animal
The cardiac accelerator action of the catecholamines liberated by sympathetic stimulation is referred to as their:
#Question id: 30070
#Unit 7. System Physiology – Animal
Effect of catecholamines on the strength of cardiac contraction is called their: