Which of the Following Statements Concerning Sensory Receptors Is False

question 97

Multiple Choice

Which of the following statements concerning sensory receptors is false?

• A) They transduce the energy of a stimulus into electrical signals.
• B) They are specialized neuron endings or specialized cells in close contact with neurons.
• C) They are the main centers for integrating sensory input.
• D) They depolarize in response to a stimulus.
• E) They operate by opening or closing ion channels in the plasma membrane.

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Definitions:

Fascicle

A bundle of muscle or nerve fibers enclosed within a sheath.

Presynaptic Membrane

The part of the nerve cell that prepares neurotransmitters for release into the synaptic cleft.

Chemical Synapse

A type of synapse at which a chemical (neurotransmitter) is released from one neuron to stimulate or inhibit another neuron or target cell.

Calcium Influx

The process by which calcium ions enter a cell, triggering various cellular functions.