GnRH is carried to the anterior pituitary, stimulates the secretion of hormones by gonadotropes. these hormones are; 

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:

TLS Online TPP Program

#Question id: 30067

#Unit 7. System Physiology – Animal

Which of the following neurotransmitter released at the sympathetic endings?