Cholinergic Drugs Classification and Effects Quiz

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Miosis is a dilation of the pupil.

False

Pilocarpine is an indirect-acting cholinergic drug.

False

Bethanechol is used to treat glaucoma.

False

Methacholine is commonly used in the diagnosis of bronchial airway hyperreactivity.

True Signup and view all the answers

Excessive pilocarpine usage can lead to pupil dilation.

False Signup and view all the answers

Cholinergic drugs that act on the receptor are categorized as indirect-acting cholinergic drugs.

False Signup and view all the answers

Organophosphates are classified as reversible indirect cholinergic drugs.

False Signup and view all the answers

Pilocarpine is an example of an indirect cholinergic drug.

False Signup and view all the answers

Acetylcholine (Ach) binds to Muscarinic M4 receptor in the heart.

False Signup and view all the answers

Muscarinic receptors are divided into M1, M2, M3, M4 and M5 subtypes.

True Signup and view all the answers

Cholinergic drugs mimic the action of norepinephrine (NE).

False Signup and view all the answers

Activation of Muscarinic M3 receptors leads to relaxation of ciliary muscles in the eye.

False Signup and view all the answers

What is the primary effect of activation of Muscarinic M3 receptors in the lungs?

Bronchoconstriction Signup and view all the answers

Which of the following is NOT a response to the activation of Muscarinic M3 receptors?

Bronchodilation Signup and view all the answers

Which cholinergic drug is commonly used to diagnose bronchial airway hyperreactivity?

Methacholine Signup and view all the answers

What is the effect of pilocarpine on intraocular pressure (IOP)?

Lowers IOP Signup and view all the answers

Which organ system does bethanechol primarily affect?

Bladder Signup and view all the answers

In the context of cholinergic drugs, what do indirect-acting cholinergic drugs act on?

Function independently of AChE Signup and view all the answers

Which cholinergic receptor subtype is responsible for reducing heart rate and contractile strength in the atria?

M2 Signup and view all the answers

Which muscarinic receptor subtype is predominantly found in the CNS?

M1 Signup and view all the answers

Acetylcholine binding to which muscarinic receptor subtype leads to suppression of cardiac activity?

M2 Signup and view all the answers

Which cholinomimetic drug is topically administered and is associated with clinical uses related to pupil constriction and glaucoma?

Pilocarpine Signup and view all the answers

Which muscarinic receptor subtype is responsible for contraction of the ciliary muscles in the eye?

M3 Signup and view all the answers

In which organ system would activation of Muscarinic M3 receptors lead to a response involving relaxation?

Ciliary muscles in the eye Signup and view all the answers

Cholinergic Drugs Classification and Effects Quiz

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Questions and Answers

Miosis is a dilation of the pupil.

Pilocarpine is an indirect-acting cholinergic drug.

Bethanechol is used to treat glaucoma.

Methacholine is commonly used in the diagnosis of bronchial airway hyperreactivity.

Excessive pilocarpine usage can lead to pupil dilation.

Cholinergic drugs that act on the receptor are categorized as indirect-acting cholinergic drugs.

Organophosphates are classified as reversible indirect cholinergic drugs.

Pilocarpine is an example of an indirect cholinergic drug.

Acetylcholine (Ach) binds to Muscarinic M4 receptor in the heart.

Muscarinic receptors are divided into M1, M2, M3, M4 and M5 subtypes.

Cholinergic drugs mimic the action of norepinephrine (NE).

Activation of Muscarinic M3 receptors leads to relaxation of ciliary muscles in the eye.

What is the primary effect of activation of Muscarinic M3 receptors in the lungs?

Which of the following is NOT a response to the activation of Muscarinic M3 receptors?

Which cholinergic drug is commonly used to diagnose bronchial airway hyperreactivity?

What is the effect of pilocarpine on intraocular pressure (IOP)?

Which organ system does bethanechol primarily affect?

In the context of cholinergic drugs, what do indirect-acting cholinergic drugs act on?

Which cholinergic receptor subtype is responsible for reducing heart rate and contractile strength in the atria?

Which muscarinic receptor subtype is predominantly found in the CNS?

Acetylcholine binding to which muscarinic receptor subtype leads to suppression of cardiac activity?

Which cholinomimetic drug is topically administered and is associated with clinical uses related to pupil constriction and glaucoma?

Which muscarinic receptor subtype is responsible for contraction of the ciliary muscles in the eye?

In which organ system would activation of Muscarinic M3 receptors lead to a response involving relaxation?

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