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Select the correct statement from the ones given below?

1. Barbiturates when given to criminals make them tell the truth
2. Morphine is often given to persons who have undergone surgery as a pain killer
3. Chewing tobacco lowers blood pressure and heart rate
4. 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

Solution

Morphine is an opioid analgesic commonly used to relieve severe pain, including pain after surgery. The other statements are incorrect because barbiturates are not truth serums, chewing tobacco does not lower blood pressure, and cocaine is not used to stimulate recovery after surgery.

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