Select the correct statement about drugs from the ones given below?

Options

(a) Barbiturates when given to criminals make them tell the truth
(b) Morphine is often given to persons who have undergone surgery as a pain killer
(c) Chewing tobacco lowers blood pressure and heart rate
(d) Cocaine is given to patients after surgery as it stimulates recovery

Correct Answer:

Morphine is often given to persons who have undergone surgery as a pain killer

Explanation:

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