20. What is the antidote for acute morphine over-dosage ? (A) Methadone (B) Pentazocine (C) Naloxone (D) Haloperidol

6. Which of the following is correct regarding the autonomic nervous system? (A) Afferent neurons carry signals from the CNS to the effector organs (B) The neurotransmitter at the parasympathetic ganglion is norepinephrine (C) Sympathetic neurons release acetylcholine in the effiector organs (D) The neurotransmitter at the sympathetic ganglion is acetylcholine