20 Questions
Which of the following is a side effect of anticholinergics?
Watery eyes
What is a contraindication for the use of anticholinergics?
Glaucoma
In case of anticholinergic poisoning, what is the treatment of choice?
Physostigmine
Which enzyme is responsible for synthesizing acetylcholine?
Choline acetyltransferase (ChAT)
What is the role of Botulinum Toxin (Botox) in acetylcholine release?
Breaks down VAMPs and SNAPs, prohibiting the release of acetylcholine
What is the final product of the conversion process starting from tyrosine in adrenergic terminals?
Epinephrine
Which receptor type can norepinephrine act on?
α and β receptors
Which branch of the autonomic nervous system is responsible for the 'fight or flight' response?
Sympathetic
Which neurotransmitter acts at muscarinic receptors in the parasympathetic nervous system?
Acetylcholine
In which tissues are α-1 receptors primarily located?
Vascular smooth muscle
Which part of the autonomic nervous system has long preganglionic neurons?
Parasympathetic
'Rest and digest' is a term associated with which branch of the autonomic nervous system?
Parasympathetic
What enzyme is responsible for breaking down acetylcholine?
Acetylcholinesterase
Which receptor regulates the release of neurotransmitters by decreasing the amount of dopamine brought into the cell?
α-2 receptor
Which of the following is an example of a cholinergic agonist that binds directly to receptors?
Nicotine
What is the main effect of cholinergic antagonists like atropine?
Block receptors in the CNS
Which drug is used to treat urinary retention?
Bethanechol
What are the side effects of muscarinic receptor activation?
Pupillary constriction and sweating
'SLUD' stands for symptoms associated with which receptor activation?
Muscarinic
'Atropine WILL reverse muscarinic receptor antagonist' - this statement is:
False
Test your knowledge on neurotransmitter regulation, including the effects of α and β receptors and the role of α-2 receptors. Explore the actions of cholinergic (parasympathetic) agents on neurotransmission.
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