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TLS Online TPP Program
#Question id: 30061
#Unit 7. System Physiology – Animal
In cardiac muscle, the action potential is caused by opening of three types of channels, except;
TLS Online TPP Program
#Question id: 30062
#Unit 7. System Physiology – Animal
The action potentials in the SA and AV nodes are largely due to:
TLS Online TPP Program
#Question id: 30063
#Unit 7. System Physiology – Animal
During the action potential in SA node, a channel permeable to both Na+ and K+ is activated. Because this channel is activated following hyperpolarization, it is referred to as:
A. “h” channel B. “f” channel
C. “L” channel D. “T” channel
Which of the following represents correct combination?
TLS Online TPP Program
#Question id: 30064
#Unit 7. System Physiology – Animal
Which of the following neurotransmitter released at the vagal nerve endings?
TLS Online TPP Program
#Question id: 30065
#Unit 7. System Physiology – Animal
Acetylcholine binds to M2 muscarinic receptors decreases cAMP in the SA nodal cells, The result is:
TLS Online TPP Program
#Question id: 30066
#Unit 7. System Physiology – Animal
When the cholinergic vagal fibers to nodal tissue are stimulated, Membrane becomes: