20. Which of the following statements is most true?
a. Barbiturates continue to be a relatively popular drug of abuse.
b. Some physicians are now starting to prescribe barbiturates to avoid the paperwork associated with the
prescription of other controlled compounds.
c. Barbituratesarefrequentlyabusedbyprofessionalfootballplayersforthedrug’sabilitytocontrolthestress
that they experience in major games.
d. Barbituratesareaminoringredientof“energydrinks”tocounteracttheeffectsofthecaffeinethataretheir
main component.
21. According to your text, the barbiturates
a. have a very limited role in modern medicine.
b. typically exacerbate seizure disorders in patients predisposed to such conditions.
c. are not contraindicated for commercial or civilian pilots.
d. are the drug of choice for the aggressive treatment of GABA/NMDA inhibition disorders.
22. Following medical convention, your text groups the barbiturates together on the basis of their
a. degree of NMDA antagonistic action.
b. ability to force the GABAa ion channel to remain open.
c. ability to enhance the effects of GABAa at the receptor site.
d. duration of effect.
23. A(n) _______________ is occasionally encountered after a patient takes a barbiturate, even at recommended
doses.
a. increase in heart rate to possibly dangerous levels
b. paradoxical increase in theta wave activity on the EEG while the patient is awake
c. increase in respiration to possibly fatal levels
d. paradoxical rage reaction