of the following statements is correct?
(a) Some tranquillisers function by inhibiting the enzymes which catalyse
the degradation of noradrenaline.
(b) Tranquillisers are narcotic drugs.
(c) Tranquillisers are chemical compounds that do not
affect the message transfer from nerve to receptor.
(d) Tranquillisers are chemical compounds that can relieve
pain and fever.