Select the correct statement from the ones given below

Barbiturates, when given to criminals, make them tell the truth

Morphine is often given to person who has undergone surgery as a pain killer

Chewing tobacco lowers blood pressure and heart rate

Cocaine is given to patients after surgery as it stimulates recovery

Solution

Morphine is often given to person who has undergone surgery as a pain killer

Serturner, a pharmacist isolated the active principle of opium in 1806 and named it morphine. Morphine is a phenanthrene opioid receptor against, its main effect is binding to and activation to micro - opioid receptors in the central nervous system. In clinical settings, morphine exerts its principal pharmacological effect on the central nervous system and gastrointestinal tract. Its primary actions of therapeutic value are analgesia and sedation.