Q182 / 200 · NEET 2010 (Screening) · Zoology

Select the correct statement from the ones given below

  • A
    Barbiturates when given to criminals make them tell the truth
  • Correct answer
    B
    Morphine is often given to persons who have under gone 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

Solution

Serturner, a pharmacist isolated the active principle of opium in 1806 and named it morphine. Morphine is a phenanthrene opioid receptor agonist, its main effect is binding to and activating the $\mu$-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 analgesic and sedation.

Hence, the correct answer is option: 'B'.

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