Pharmacology

The following statement regarding ganglion blocking agents are true except:

They block the transmission of impulse in the sympathetic and parasympathetic autonomic ganglia.

They reduce the amount of noradrenaline released from the postganglionic sympathetic nerve endings.

Incidence of postural hypertension is less with their use.

Neostigmine can counteract the paralytic ileus and urinary retention seen with these agents.