18 Questions
What is the main effect of anticholinesterase drugs in the body?
Increasing the action of acetylcholine
Which of the following is a therapeutic use of cholinergic agonists?
Reducing eye pressure in glaucoma
What is the primary action of cholinergic agonists in the body?
Stimulate muscle activity and bronchoconstriction
What is a common pharmacokinetic characteristic of cholinergic blocking drugs?
Absorption from GIT, mucous membranes, and skin
Which condition is treated with cholinergic blocking drugs?
Spastic GI and urinary tracts
In which organ would cholinergic agonists produce increased tone and contraction of muscles?
Bladder
Which category of anticholinesterase drugs has a shorter duration of action?
Reversible anticholinesterases
'Cholinergic blockers can be used to treat extrapyramidal symptoms' - Extrapyramidal symptoms are commonly associated with which condition?
Parkinson's disease
'Atropine is the DOC to treat symptomatic sinus bradycardia' - What does DOC stand for in this context?
'Drug of choice'
What is the primary function of adrenergic drugs?
Constricting peripheral blood vessels
Which of the following correctly describes indirect-acting adrenergic drugs?
Trigger the release of a neurotransmitter, usually norepinephrine
What is the primary pharmacokinetic characteristic of catecholamines?
Slow absorption due to blood vessel constriction
Which receptor activity is activated by norepinephrine in pharmacotherapeutics?
Alpha activity
What is the primary effect of non-catecholamines on blood vessels?
Local or systemic constriction
What is a key pharmacokinetic difference between inhaled and oral non-catecholamines?
Oral drugs are well absorbed from the GIT
Which pharmacotherapeutic condition is ritodrine primarily used for?
Preterm labor
What is a characteristic pharmacokinetic feature of beta-adrenergic blockers?
Absorbed rapidly when administered orally
How do adrenergic blocking drugs disrupt the sympathetic nervous system's function?
By blocking impulse transmission at adrenergic neurons or receptor sites
This quiz covers nursing responsibilities for cholinergic blocking drugs, advising clients on side effects, prevention of constipation, and the use of adrenergic drugs (sympathomimetic drugs) based on chemical structure classifications.
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