Barbs
Understanding Barbiturates Quiz
Test your knowledge about barbiturates with our comprehensive quiz designed for healthcare professionals and students alike. Dive into the uses, pharmacodynamics, and kinetics of these medications.
- 10 engaging questions
- Multiple choice and checkbox formats
- Enhance your understanding of medication safety and efficacy
Uses for barbituates include all of the following except:
Anticonvulsant
Mild sedation
General anesthesia
Paralytic
Migraine headache tx
Select all of the kinetic properties of barbiturates: select 4
Lipid soluble
Mild sedation
Highly protein bound
Metabolized by liver
Excreted in urine
Lowers BP
Can mimic GABA
Enhances binding of GABA
All of the following are true of the pharmacodynamics of barbs except:
Increases duration of chloride channel being open
Decreases rate of dissociation of GABA from its receptor
Increases the GABA production
Increases the binding of GABA to its receptor
Can mimic GABA by activating ion channels in the absence of GABA
What increases risks of barbiturates?
Doesn't need GABA to cause effects
Potent cerebral vasoconstrictor
Peripherally vasodilates
Decreases cerebral metabolic oxygen requirements
What patient population would you caution using barbs?
Brain surgery pt
Trauma pt
Cardiovascular disease pt
Epileptic pt
Choose the true statement:
Opioids should never be given with barbs
In order to intubate pt must receive NMB along with barb
Barbiturates completely suppress cough reflexes
Barbiturates produce no CNS effects
The following are reasons clinical use of barbs have declined, select 4
Benzos are better tolerated
Benzos are safer
Barbs have increased liability for abuse
Benzos can reach hypnotic effect easily
Seizures are a common side effect
Higher risk of drug interactions
Benzos do not cause physical dependence
A common barb used for seizure disorders is:
Thiopental
Pentobarbital
Phenobarbital
Methohexital
A common barb used for anesthesia in brain surgery is:
Thiopental
Pentobarbital
Phenobarbital
Methohexital
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