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Questions and Answers
Which neurotransmitter is involved in the efferent oculosympathetic pathway at the 1st order neuron trajectory?
Which neurotransmitter is involved in the efferent oculosympathetic pathway at the 1st order neuron trajectory?
- Acetylcholine (correct)
- Dopamine
- Norepinephrine
- Epinephrine
What is the primary clinical use of 10% phenylephrine?
What is the primary clinical use of 10% phenylephrine?
- Pupillary cysts
- Dilation of Mueller's muscle
- Posterior synechiae (correct)
- Treatment of narrow angles
Which direct sympathomimetic is structurally similar to epinephrine?
Which direct sympathomimetic is structurally similar to epinephrine?
- Dopamine
- Phenylephrine (correct)
- Isoproterenol
- Norepinephrine
What is the effect of epinephrine on conjunctival vasoconstriction?
What is the effect of epinephrine on conjunctival vasoconstriction?
Which side effect is associated with topical epinephrine use?
Which side effect is associated with topical epinephrine use?
What is the mechanism of action of 2.5% and 10% phenylephrine in clinical use?
What is the mechanism of action of 2.5% and 10% phenylephrine in clinical use?
What is the primary neurotransmitter involved in the efferent oculosympathetic pathway at the 3rd order neuron trajectory?
What is the primary neurotransmitter involved in the efferent oculosympathetic pathway at the 3rd order neuron trajectory?
Which side effect is associated with chronic use of phenylephrine?
Which side effect is associated with chronic use of phenylephrine?
What are the systemic side effects associated with phenylephrine use?
What are the systemic side effects associated with phenylephrine use?
What clinical condition contraindicates the use of epinephrine in patients?
What clinical condition contraindicates the use of epinephrine in patients?
What is the neurotransmitter in the sympathetic post-ganglionic synapse?
What is the neurotransmitter in the sympathetic post-ganglionic synapse?
Which receptor type is involved in Ocular Autonomic Nervous System post-ganglionic structure?
Which receptor type is involved in Ocular Autonomic Nervous System post-ganglionic structure?
What is the function of Iris Sphincter in the pupil?
What is the function of Iris Sphincter in the pupil?
Which synapse in the sympathetic system has three components?
Which synapse in the sympathetic system has three components?
In the Ocular Autonomic Nervous System, what neurotransmitter is present in some post-ganglionic sites?
In the Ocular Autonomic Nervous System, what neurotransmitter is present in some post-ganglionic sites?
Which nervous system regulates voluntary actions?
Which nervous system regulates voluntary actions?
What is the primary neurotransmitter in the central and pre-ganglionic synapse of the sympathetic system?
What is the primary neurotransmitter in the central and pre-ganglionic synapse of the sympathetic system?
Which part of the eye dilates the pupil via sympathetic innervation?
Which part of the eye dilates the pupil via sympathetic innervation?
Which drug interaction enhances the cardiovascular effect of tricyclic antidepressants and MAO inhibitors?
Which drug interaction enhances the cardiovascular effect of tricyclic antidepressants and MAO inhibitors?
What is the mode of action of 1% concentration paredrine?
What is the mode of action of 1% concentration paredrine?
What differentiates between central /2nd and 3rd neuron in Horner’s Syndrome?
What differentiates between central /2nd and 3rd neuron in Horner’s Syndrome?
What does a postcocaine anisocoria value of 0.8 mm indicate?
What does a postcocaine anisocoria value of 0.8 mm indicate?
What is the primary mode of action of Aproclonidine (Iopidine 0.5%)?
What is the primary mode of action of Aproclonidine (Iopidine 0.5%)?
What is the mode of action of Brimonidine tartrate (Alphagan P 0.2%)?
What is the mode of action of Brimonidine tartrate (Alphagan P 0.2%)?
What is the effect of Dapiprazole (Mydriolytic agent) on mydriasis?
What is the effect of Dapiprazole (Mydriolytic agent) on mydriasis?
Which ophthalmic beta blocker has a new mode of therapy with a maximum effect in 3 weeks?
Which ophthalmic beta blocker has a new mode of therapy with a maximum effect in 3 weeks?
'Rev-eyes 0.5%' is associated with which side effect?
'Rev-eyes 0.5%' is associated with which side effect?
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