Not all microorganisms are pathogenic. Some, known as normal , are helpful and necessary in humans and animals because they provide a balance in the body and destroy pathogens.

Opium, methamphetamine, and cocaine are in the united states.

List three other drugs used for anxiety or sleep that are not classified as benzodiazepines or barbiturates.

After an infant sustains head injury from a car crash the following are all diagnostic studies for intracranial pressure except: a. cbc count b. 24-hour urine collection c. coagulation studies d. electrolytes and osmolarity