musch 5 Flashcards
1
Q
what is the hallmark of heart failure?
A
exercise intolerance
2
Q
sympathetic acts on what?
A
beta-1 receptors
3
Q
parasympathetic acts on what?
A
muscarinic receptors
4
Q
neurotransmitter for sympathetic?
A
norepinephrine
5
Q
neurotransmitter for parasympathetic?
A
acetylcholine
6
Q
beta blockers block what?
A
beta-1 receptors and blocks HR from increasing
7
Q
atropine blocks what?
A
muscarinic receptors and HR from decreasing
8
Q
what happens initially when HR increases?
A
parasympathetic withdrawal, followed by sympathetic activation
