Which of the Following Does Not Characterize the Stretch Receptor

question 22

Multiple Choice

Which of the following does not characterize the stretch receptor of a crayfish?

• A) Receptor potentials are caused by stretching the muscle to which the stretch receptor is attached.
• B) Stretching the muscle causes ion channels in stretch receptor dendrites to open.
• C) Receptor potentials spread to the cell body and then to the base of the axon, where they generate action potentials.
• D) The spreading receptor potential induces release of a neurotransmitter.
• E) The more the muscle is stretched, the greater the magnitude of the receptor potential.

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