Question:
Which of the following statements is correct?
(i) Some tranquilisers function by inhibiting the enzymes which catalyse
the degradation of noradrenaline.
(ii) Tranquilisers are narcotic drugs.
(iii) Tranquillizers are chemical compounds that do not affect the message
transfer from nerve to the receptor.
(iv) Tranquilisers are chemical compounds that can relieve pain and fever
Solution:
Option (i) Some tranquilisers function by inhibiting the enzymes which catalyse
the degradation of noradrenaline is the answer.