Glucoreceptors have been found in the

a. hindbrain

Why did the conditioning by the nauseating effect of radiation affect only drinking

in the radiation chamber, and not other avoidance responses? (a) the water tasted different in the radiation chambers, and rats are prepared to associate taste with illness (b) the shock in the radiation chambers was not associated with any stimuli other than taste (c) the light in the radiation chamber that served as a discriminative stimulus was lit only when the rats were drinking the water (d) the radiation served as a negative reinforcement for drinking

According to the text, which of the following chronic health conditions affects the largest proportion of middle-aged adults?

a. mental illness b. diabetes c. lung diseases and dysfunctions d. arthritis