Choose the correct statement about codeine:
A. It has a lower oral: parenteral activity ratio
than morphine
B. It is devoid of abuse liability
C. It is a weaker analgesic than morphine
D. It is a more potent antitussive than morphine
A. It has a lower oral: parenteral activity ratio
than morphine
B. It is devoid of abuse liability
C. It is a weaker analgesic than morphine
D. It is a more potent antitussive than morphine