WorksheetsBenzodiazepines Quiz
Total questions: 20
Worksheet time: 10mins
Benzodiazepines produce their action by enhancing the effect of
Glycine
Serotonin
GABA
Dopamine
Benzodiazepines act at which receptor site?
NMDA receptor
GABA-A receptor
GABA-B receptor
Opioid receptor
Mechanism of action of benzodiazepines involves
Increasing duration of chloride channel opening
Increasing frequency of chloride channel opening
Blocking sodium channels
Inhibiting GABA synthesis
Short-acting benzodiazepine is
Diazepam
Chlordiazepoxide
Lorazepam
Triazolam
Long-acting benzodiazepine is
Midazolam
Oxazepam
Diazepam
Temazepam
Benzodiazepines produce all of the following effects EXCEPT
Anxiolysis
Sedation
Muscle relaxation
Analgesia
Common therapeutic use of benzodiazepines is
Schizophrenia
Anxiety disorders
Depression
Psychosis
Benzodiazepines are used as preanesthetic medication because they cause
Analgesia
Amnesia and sedation
Muscle paralysis
Local anesthesia
Drug of choice for acute status epilepticus is
Phenytoin
Phenobarbitone
Diazepam
Valproate
Benzodiazepines produce muscle relaxation by action at
Neuromuscular junction
Spinal cord
Muscle fibers
Cerebellum
Major adverse effect of benzodiazepines is
Respiratory stimulation
Dependence and tolerance
Severe hepatotoxicity
Renal failure
Benzodiazepine overdose is relatively safe because of
No CNS depression
Ceiling effect on respiratory depression
Rapid metabolism
High therapeutic index
Flumazenil is used as an antidote for
Barbiturate overdose
Opioid overdose
Benzodiazepine overdose
Alcohol intoxication
Benzodiazepines cause less respiratory depression than barbiturates because they
Act directly on GABA receptors
Enhance GABA action only in presence of GABA
Block chloride channels
Inhibit glutamate
Barbiturates differ from benzodiazepines by
Lower abuse potential
Less enzyme induction
Greater safety margin
Ability to induce hepatic enzymes
Benzodiazepines do NOT induce
Anxiolysis
Muscle relaxation
Hepatic enzyme induction
Sedation
Benzodiazepines are preferred over barbiturates because they
Have analgesic action
Produce deep anesthesia
Have wider therapeutic index
Are cheaper
Abrupt withdrawal of benzodiazepines may cause
Hypertension only
Withdrawal seizures
Renal failure
Hepatic coma
Benzodiazepines are contraindicated in
Anxiety disorders
Insomnia
Severe respiratory insufficiency
Status epilepticus
Benzodiazepines produce amnesia mainly of type
Retrograde
Anterograde
Global
No amnesia
