Cholinergic Blocking Drugs Nursing Responsibilities

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Which type of drugs act directly on the organ or tissue innervated by the SNS?

Non-catecholamines

Dopamine

Adrenergic Blocking Drugs

Catecholamines (correct)

What is a common effect of drugs that stimulate alpha receptors?

Local constriction of blood vessels (correct)

Increased heart rate

Smooth muscle relaxation

Intestinal relaxation

Which type of adrenergic blockers prevent stimulation of the sympathetic nervous system by inhibiting the action of catecholamines at beta-adrenergic receptor sites?

Prazosin

Phenoxybenzamine

Alpha-Adrenergic Blockers (correct)

Ergoloid Mesylates

What is a common effect of non-catecholamines that stimulate alpha activity?

Local constriction of blood vessels Signup and view all the answers

What is a primary characteristic of catecholamines?

They stimulate the nervous system and increase heart rate. Signup and view all the answers

Which type of drugs stimulate Beta 2 activity and are used to treat acute and chronic bronchial asthma?

Isoetharine Signup and view all the answers

How do Alpha-Adrenergic Blockers affect blood vessels?

Increase vasoconstriction Signup and view all the answers

Which condition can cholinergic agonists be used to treat?

Glaucoma Signup and view all the answers

What is the primary reason why cholinergic agonists are rarely administered by IM or IV?

They have rapid destruction in the body Signup and view all the answers

What is the primary role of anticholinesterase drugs in pharmacodynamics?

To block the action of acetylcholinesterase Signup and view all the answers

Which condition is NOT a pharmacotherapeutic use of anticholinesterase drugs?

Relaxing GI smooth muscles Signup and view all the answers

Which organ system is primarily affected by cholinergic blocking drugs?

Gastrointestinal and Urinary Tracts Signup and view all the answers

Why are atropine and belladonna alkaloids used before surgery?

To prevent a drop in heart rate caused by vagal nerve stimulation Signup and view all the answers

What is a common side effect associated with cholinergic blocking drugs?

Urinary retention Signup and view all the answers

Which statement about the pharmacokinetics of belladonna alkaloids is true?

They have high binding with serum proteins Signup and view all the answers

What is the main reason for using scopolamine in combination with pain medications?

To induce drowsiness and amnesia Signup and view all the answers

Which class of drugs are primarily used to treat spastic or hyperactive conditions of the GI and urinary tracts?

Cholinergic Blocking Drugs Signup and view all the answers

Cholinergic Blocking Drugs Nursing Responsibilities

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