Which Statement Applies to Receptors

Multiple Choice

Which statement applies to receptors

A) They are present for every modality in the environment.
B) When stimulated, they bring about opening of K⁺ channels in the efferent neuron membrane.
C) When mechanical, they are sensitive to varying amounts of heat.
D) They may be either a specialized ending of an afferent neuron or a special cell closely associated with the peripheral ending of an afferent neuron.