10 Questions
Where is choline actively accumulated from extraneuronal sites?
In the axoplasm of the neuron
What is the process by which acetylcholine (ACh) is synthesized from choline?
Choline is converted to ACh in the axoplasm
Where is the synthesized ACh stored within the neuron?
In the storage vesicles in the cholinergic nerve terminal
What triggers the release of ACh from the storage vesicles in the cholinergic nerve terminal?
The arrival of sufficient action potential stimuli
At which of the following sites is ACh released as a neurotransmitter?
The terminal end of both peripheral sympathetic and parasympathetic preganglionic nerves
At which of the following sites is ACh released as a neurotransmitter?
Peripheral postganglionic terminal of parasympathetic nerves
At which of the following sites is ACh released as a neurotransmitter?
The neuromuscular junction (NMJ)
At which of the following sites is ACh released as a neurotransmitter?
Cholinergic neurons in the central nervous system (CNS)
Which of the following statements is true regarding the synthesis and release of ACh?
ACh is synthesized in the axoplasm and released from the axon terminals
Which of the following statements is false regarding the release sites of ACh?
ACh is released at the terminal end of both peripheral sympathetic and parasympathetic postganglionic nerves
Test your knowledge on the differences between the somatic and autonomic nervous system. Learn about the nerves that innervate skeletal muscles and visceral organs, as well as their functions in the body.
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