Receptors that are stimulated by a change in the chemical composition of the environment are:: (A) Mechanoreceptors, (B) Chemoreceptors, (C) Nocireceptors, (D) None of the above
Answer is B. Chemoreceptors are those receptors that are stimulated by a change in the chemical composition of the environment. They include receptors for taste and smell and visceral receptors that are sensitive to change in plasma O2, pH and osmolality.