Regarding the neurotransmitter at the neuromuscular junction of skeletal muscle, all of the following statements are true EXCEPT: Group of answer choices it binds to muscarinic receptors the neurotransmitter is acetylcholine. the neurotransmitter binds to chemically gated ion channels. it is contained in vesicles which are released when calcium ion levels increase inside the axon terminal.
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The neurotransmitter at the neuromuscular junction of skeletal muscle is acetylcholine (ACh). This is a well-established fact in neuroscience. Show more…
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Which answer is FALSE regarding Acetylcholine? It combines with receptors on the motor end plate to bring about an action potential in the muscle cell membrane. It is stored in vesicles in the lower motor neuron terminal. It is the chemical transmitter at the neuromuscular junction. In a normal patient there is always enough acetylcholine released in the neuromuscular junction to trigger an action potential in the muscle cell membrane. It is removed from the neuromuscular junction via reuptake by a transporter protein.
Adi S.
Select all of the following that correctly describe the neuromuscular junction and how it produces muscle contraction. You may select more than one answer. A) After neurotransmitter binds to receptors, sodium ion channels close, which prevents sodium ions from entering the muscle fiber. B) Acetylcholine is release into a synaptic gap and binds to receptors on the muscle. C) Dopamine is release into a synaptic gap and binds to receptors on the muscle. D) After neurotransmitter binds to receptors, sodium ion channels open and sodium ions enter the muscle fiber.
Supreeta N.
Which of the following statements about acetylcholine is TRUE? It is the major neuromuscular transmitter in arthropods. It is found at neuromuscular junctions in vertebrates. It is well studied because it is found in the majority of vertebrate neurons. It is only found in vertebrates.
Anitha M.
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