Identify the true statement(s) about sensory receptors:
a. The larger the receptor potential, the greater the frequency of action potentials initiated in the afferent neuron.
b. Tonic receptors often exhibit an "off-response."
c. Phasic receptors are important in situations where maintained information about a stimulus is valuable.
d. Receptor adaptation results from nerve fatigue.
e. Receptors are part of efferent neurons.
A
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