Autonomic Nervous System Medications

Norepinephrine is primarily associated with the:

• autonomic nervous system

• parasympathetic nervous system

• central nervous system

• sympathetic nervous system

Alpha receptors are primarily associated with:

• The airways

• Smooth vascular muscle

• The heart and lungs

• The lungs

TRUE or FALSE: Alpha 1 agonists cause release of norepinephrine, which leads to vasoconstriction

• True

• False

Alpha 1 antagonists inhibit the release of _________, leading to _________

• norepinephrine; vasodilation

• acetylcholine; increased heart rate

• norepinephrine; vasoconstriction

• norepinephrine; bronchodilation

Which of the alpha antagonists promotes the release of norepinephrine to cause vasoconstriction?

• Alpha 1 antagonist

• Alpha 2 antagonist

Beta 1 agonists cause _______ while beta 2 agonists cause _______.

• inhibition of cardiac stimulation; smooth muscle relaxation of the airways

• cardiac stimulation; bronchoconstriction

• cardiac stimulation; smooth muscle relaxation of the airways

• smooth muscle relaxation of the airways; bronchoconstriction

TRUE or FALSE: Cholinergic agonists treat myasthenia gravis by preventing acetylcholine from being broken down by acetylcholinesterase.

• True

• False

Cholinergic antagonists block the action of __________ at the __________ receptors.

• Acetylcholine; muscarinic

• Acetylcholinesterase; nicotinic

A nurse is reviewing the health record of a client who asks about using propranolol (a beta blocker) to treat hypertension. The nurse should recognize which of the following conditions is a contraindication for taking propranolol?

• Asthma

• Glaucoma

• Hypertension

• Tachycardia

Which physiological effect is unexpected with the administration of cholinergic agonists?

• Increased peristaliss

• Increased blood pressure

• Increased bronchial secretions

• Increased pupillary constriction