What are the anatomical and physiological mechanisms that keep body temperatures within acceptable limits called?

The following appears as an entry for category code 292: 292 Drug-induced mental disorders INCLUDES Organic brain syndrome associated with consumption of drugs Use additional code for any associated drug dependence (304.0-304.9). Use additional E code to identify drug. Which one of the following statements is true in reference to the preceding entry for category code 292?

A) A patient has abused Oxycontin, which has resulted in a mental disorder. A V code would be used to identify the drug. B) Sally Smith has been diagnosed with a drug-induced mental disorder and drug dependence. Two codes would be used in coding this case. C) Organic brain syndrome associated with the consumption of drugs is not classified to category code 292. D) E codes are used with codes from category 292 to identify associated drug dependence.

An anesthetic is an agent that provides:

A) loss of feeling B) a sedation C) anti-inflammatory affects D) immobilization E) B and C