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Chapter 9: Problem 10

The two subtypes of cholinergic receptors are a. adrenergic and nicotinic. b. dopaminergic and muscarinic. c. nicotinic and muscarinic. d. nicotinic and dopaminergic.

Short Answer

Expert verified
The two subtypes of cholinergic receptors are c. nicotinic and muscarinic.

Step by step solution

01

Understand cholinergic receptors

Cholinergic receptors are a type of protein that responds to the neurotransmitter acetylcholine. Acetylcholine is a chemical messenger released by nerve cells to send signals to other cells, like muscle cells and neurons. There are two main subtypes of cholinergic receptors.
02

Explore the given options

Let's go through each of the given options and compare them with the information we have: a. Adrenergic receptors respond to adrenalin (epinephrine) and noradrenalin (norepinephrine), rather than acetylcholine. So, this option is incorrect. b. Dopaminergic receptors are related to dopamine, another neurotransmitter, not acetylcholine. So, this option is also incorrect. c. Nicotinic and muscarinic receptors are both subtypes of cholinergic receptors and respond to acetylcholine. This option seems to be the correct one. d. Nicotinic is a cholinergic receptor, but as mentioned before, dopaminergic receptors are related to dopamine, not acetylcholine. So, this option is incorrect.
03

Identify the correct answer

Based on our analysis, the correct answer is: c. nicotinic and muscarinic.

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