Question 1
How does the parasympathetic nervous system decrease heart rate?
Question 2
What graphical pattern is observed when sympathetic effects increase heart rate?
Question 3
What is a negative chronotropic effect?
Question 4
What happens during the absolute refractory period in cardiac muscle?
Question 5
What effect does the activation of G stimulatory protein have in heart cells?
Question 6
What condition results from an increased parasympathetic response to the heart?
Question 7
Which neurotransmitter is released by the sympathetic nervous system to increase heart rate?
Question 8
What is the role of cAMP in cardiac cells under sympathetic influence?
Question 9
What is the primary function of intrinsic innervation in the heart?
Question 10
Which autonomic system promotes heart rate reduction?
Question 11
How do muscarinic type 2 receptors function in the heart?
Question 12
In what way does sympathetic activation specifically increase blood pressure?
Question 13
Which heart rate condition is characterized by a heart rate greater than 100 bpm?
Question 14
What is the role of Beta-1 adrenergic receptors in heart rate regulation?
Question 15
How does protein kinase A affect calcium channels in the heart?