12 Questions
What is the mode of action of hydroxyamphetamine in the sympathetic system?
Enhances release of NE from pre-synaptic vesicle
What is the purpose of using cocaine in diagnosing Horner's syndrome?
To put cocaine in one eye and compare to the other eye
What is the effect of tropicamide on the sphincter muscle?
Relaxes the sphincter muscle
What is the difference between Paremyd and other mydriatics?
Full dilation will only occur with Paremyd
What is the effect of ganglionic blockers on blood pressure?
Decreases blood pressure
What is the mechanism of action of cocaine as an anesthetic?
Acts as a local anesthetic
What is the primary goal of the drug that releases norepinephrine from pre-synaptic vesicles?
To block the reuptake of norepinephrine
What is the effect of sympathetic system agonists on blood pressure?
It can cause tachyphylaxis and increases in blood pressure
Which of the following is NOT a characteristic of Paremyd?
It is used to diagnose Horner's syndrome
What is the primary mechanism of action of cocaine as an adrenergic agonist?
It blocks the reuptake of norepinephrine
What is the difference between a direct and indirect adrenergic agonist?
A direct agonist stimulates the receptor directly, while an indirect agonist enhances the release of norepinephrine
What is the effect of tropicamide on the sphincter muscle and dilator muscle?
It relaxes the sphincter muscle and contracts the dilator muscle
Test your knowledge of ophthalmic drugs, including their modes of action, side effects, and uses. This quiz covers sympathetic system agonists, antagonists, and indirect adrenergic agonists.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
