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Introduction to Somatic and Autonomic Nervous System

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Introduction to Somatic and Autonomic Nervous System

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Questions and Answers

Where is choline actively accumulated from extraneuronal sites?

In the myelin sheath surrounding the neuron
In the cell body of the neuron
In the dendrites of the neuron
In the axoplasm of the neuron (correct)

What is the process by which acetylcholine (ACh) is synthesized from choline?

Choline is converted to ACh in the cell body of the neuron
Choline is converted to ACh in the myelin sheath surrounding the neuron
Choline is converted to ACh in the axoplasm (correct)
Choline is converted to ACh in the dendrites of the neuron

Where is the synthesized ACh stored within the neuron?

In the storage vesicles in the cholinergic nerve terminal (correct)
In the axoplasm
In the cell body of the neuron
In the dendrites of the neuron

What triggers the release of ACh from the storage vesicles in the cholinergic nerve terminal?

The arrival of sufficient action potential stimuli (D) Signup and view all the answers

At which of the following sites is ACh released as a neurotransmitter?

The terminal end of both peripheral sympathetic and parasympathetic preganglionic nerves (C) Signup and view all the answers

At which of the following sites is ACh released as a neurotransmitter?

Peripheral postganglionic terminal of parasympathetic nerves (B) Signup and view all the answers

At which of the following sites is ACh released as a neurotransmitter?

The neuromuscular junction (NMJ) (B) Signup and view all the answers

At which of the following sites is ACh released as a neurotransmitter?

Cholinergic neurons in the central nervous system (CNS) (B) Signup and view all the answers

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 (D) Signup and view all the answers

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 (D) Signup and view all the answers

Introduction to Somatic and Autonomic Nervous System

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Questions and Answers

Where is choline actively accumulated from extraneuronal sites?

What is the process by which acetylcholine (ACh) is synthesized from choline?

Where is the synthesized ACh stored within the neuron?

What triggers the release of ACh from the storage vesicles in the cholinergic nerve terminal?

At which of the following sites is ACh released as a neurotransmitter?

At which of the following sites is ACh released as a neurotransmitter?

At which of the following sites is ACh released as a neurotransmitter?

At which of the following sites is ACh released as a neurotransmitter?

Which of the following statements is true regarding the synthesis and release of ACh?

Which of the following statements is false regarding the release sites of ACh?

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