Drugs Affecting the sympathetic Nervous system Flashcards
Regulates activity of internal organs and glands during physical exertion and other stressful situations
Sympathetic Nervous System
Alpha Adrenergic Drugs are administered in many dosage forms including
IV solutions
Opthalmic drops
Nasal drops and sprays
Oral tablets
Reserpine prevents the storage of_________ inside neurons
norepinephrine
Guanethidine causes
Decrease in sympathetic response
Decrease in Blood pressure
Long-acting Beta2 agonists
salmeterol
Formoterol
Smooth muscles affected by alpha-adrenergic agonist drugs
Vasoconstriction of most blood vessels
Dilation of pupils of the eye
What are the main effects produced by propanolol
Decrease in force of cardiac contraction
Decrease in the conduction velocity of the heart
Decrease in heart rate
________ beta1 adrenergic blocking drugs only block beta1 receptors
selective
Epinephrine, norepinephrine and dopamine are__________type neurotransmitters
Catecholamine
A false transmitter is a substance formed in _____ _________that mimics and interferes with the action of the normal neurotransmitter
Nerve endings
Extreme caution should be used with beta blockers in what type of patient?
Existing kidney or lung disease
What CNS stimulation symptoms are produced by beta agonist use?
Anxiety, tremors and restlessness
Isoproterenol
Stimulation of both Beta-1 and Beta-2 receptors
What are the clinical effects of drug interactions with beta-blockers?
Hypotension
Decreased heart rate
Congestive heart failure
Decreased cardiac output
______ blockers can be used for hypertension, Raynaud’s disease, pheochromocytoma and benign prostatic hyperplasia
Alpha
