Chapter 7 Flashcards
what is a class of drug that decrease CNS activity by decreasing neurotransmission
depressants
what do benzodiazepines and barbiturates do
enhance the inhibitory effects of GABA
what are the two types of depressants
long acting and delayed onset. short-acting and rapid onset
long acting and delayed onset depressants is used for
in low doses, for anxiety, anxiolytic
short-acting and rapid onset depressants are used for
in high doses, for sleep, hypnotic
what is the main concern for barbiturates
overdose deaths are common due to the difference in time it takes to develop tolerance to the anxiolytic and sedative effects than the physiological different
benzodiazepines and barbiturates
benzodiazepines have a larger safety margin
what are concerns for benzodiazepines
after 4-6 weeks of use, the effect may decrease to the level of placebo
no therapeutic action
patient never develops healthy coping mechanisms for anxiety
what are inhalants
products that contain inhalable solvents
what are examples of inhalants
gasoline, glue, paint
what is another name for nitrous oxide
whippets
what are the effects of nitrous oxide
anesthetic: temporary loss of sensation and awareness
analgesic: pain killing
what is another name for nitrites
poppers
what are the main effects of nitrites
relax smooth muscle, rapid changes in blood flow/ blood pressure