16 Questions
Which of the following beta-2 agonists is also used to delay labor in premature birth?
Terbutaline
What is the primary mechanism of action of amphetamines?
Release of norepinephrine from presynaptic terminals
Which of the following is a mixed-action adrenergic agent?
Ephedrine
What is a common side effect of adrenergic agonists?
Arrhythmias
Which of the following is a local anesthetic that blocks the Na+/K+ pump required for reuptake of norepinephrine?
Cocaine
What is Metaraminol used for?
Treatment of shock
What is the primary receptor through which epinephrine acts at low doses?
Beta 1 receptors
Which of the following is a therapeutic use of norepinephrine?
Acute hypotension
What is the primary effect of dopamine on the cardiovascular system?
Increased chronotropic effect
Which of the following receptors is responsible for the vasodilation effect of epinephrine?
Beta 2 receptors
What is the effect of epinephrine on the respiratory system?
Bronchodilation
Which of the following is a side effect of epinephrine?
All of the above
What is the primary receptor through which dopamine acts?
D1 and A1 receptors
Which of the following is a therapeutic use of dobutamine?
Congestive heart failure
What is the effect of norepinephrine on peripheral resistance?
Increased peripheral resistance
Which of the following is a characteristic of epinephrine's pharmacokinetics?
Rapid onset but brief duration
Test your knowledge of adrenergic agonist agents, their effects on the body, and the receptors they act on. Learn about the roles of norepinephrine, epinephrine, and glucagon, and how they impact the heart, muscles, and other systems.
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