The following are multiple choice questions (with answers) about medical knowledge.   **Question:** According to Weber-Fechner's law, strength of stimulus perceived is directly propoional to:   (A) Intensity of stimulus   (B) Amplitude of action potential   (C) Number of neurons stimulated   (D) Number of receptors stimulated
['(A) Intensity of stimulus <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Intensity of stimulus \n (B) Amplitude of action potential \n (C) Number of neurons stimulated \n (D) Number of receptors stimulated <> possible answers', "  According to Weber-Fechner's law, strength of stimulus perceived is directly propoional to: <> context@"]