ANS pt 2 - slides 18+ Flashcards
what explains some of the adverse effects associated with non-selective beta blockers
unwanted blockade of beta 2 receptors instead of the targeted beta 1
what are two mixed-acting sympathomimetics that can be used to treat nasal congestion
ephedrine
pseudoephedrine
name an alpha 2 antagonist
yohimbine
what are beta 1 antagonists used to treat
hypertension
angina
arrhythmias
what is the action of alpha 1 antagonists
reduces vasoconstriction and peripheral resistance
name 4 uses of alpha 1 agonists
control superficial bleeding
reduces congestion
mydirasis
hypotensive emergencies
how do you treat toxicity of amphetamine
acidification of urine
what is a use of clonidine (alpha 2 agonist)
antihypertensive
what are the 3 kinds of indirect acting sympathomimetics
displacement drugs
inhibit reuptake of NE from synapse
Inhibit NE breakdown in neurons
adverse effects of beta 1 blockade
bradycardia
HF
hypotension
what are some adverse effects of amphetamine
insomina
irritability
psychosis
anorexia
tacchycardia
dependance
tolerance
name 7 uses for beta antagonists
angina
hypertension
HF
post MI
arrhythmias
stage fright/anxiety
migrane prophylaxis
what is the mechanism of adrenergic antagonists
generally reversible blockade of adrenergic receptors
what is an adverse effect of alpha 1 agonists
excessive inc in BP
what is a reversible non-selective alpha antagonist
phentolamine
what receptors can dopamine bind to
Dopamine receptors
alpha 1
beta 1
beta 2
what type of drug is propranolol
non-selective beta antagonist
what is the use of mirabegron
reduce urinary urgency/incontinence
what are 3 uses of amphetamine
stimulates CNS
treat ADD
decrease appetite
what kind of drug is yohimbine
alpha 2 antagonist
what receptors can adrenaline bind to
alpha and beta adrenergic receptors
what’s a example of a beta 1 agonist
dobutamine
name an alpha 1 agonist
phenylephrine
what is a use for dobutamine (beta 1 agonist)
treat acute heart failure