Select the correct statement from the ones given below:
Cocaine is given to patients after surgery as it stimulates recovery
Morphine is often given to persons who have undergone surgery as a pain killer
Barbiturates when given to criminals make them tell the truth
Chewing tobacco lowers blood pressure and heart rate
After surgery, morphine is given in small doses to relieve pain and induce sleep.
Streptokinase used as a ‘clot buster’ for removing clots from blood vessels of patients who have undergone myocardial infarction leading to heart attack. It is obtained from