Prehospital Pharmacology & Neurological Emergencies Quiz
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Questions and Answers

Which medication is commonly used for the treatment of seizures and has the trade name 'Versed'?

  • Phenobarbital
  • Lorazepam
  • Midazolam (correct)
  • Diazepam

Which of the following medications acts by enhancing the effect of the neurotransmitter GABA to suppress excessive excitatory stimulation in seizures?

  • Gabapentin
  • Diazepam (correct)
  • Barbiturates
  • Lorazepam

Which medication is NOT a benzodiazepine used in the management of seizures?

  • Lorazepam
  • Midazolam
  • Diazepam
  • Phenytoin (correct)

Which medication is classified as a barbiturate and can be used in the treatment of certain types of seizures?

<p>Phenobarbital (C)</p> Signup and view all the answers

Which medication is commonly indicated for anxiety, but can also be used for the management of certain types of seizures?

<p>Lorazepam (C)</p> Signup and view all the answers

Which type of medication binds to all Beta receptor sites without selectivity?

<p>Nonselective Beta Blocker (C)</p> Signup and view all the answers

What is the primary mechanism of action of Gabapentin?

<p>Inhibiting the release of excitatory neurotransmitters (C)</p> Signup and view all the answers

How does Magnesium Sulfate affect neuromuscular transmission?

<p>Blocks the entry of calcium into synaptic endings (D)</p> Signup and view all the answers

Which neurotransmitter is affected by Gabapentin in its mechanism of action?

<p>GABA (B)</p> Signup and view all the answers

What is one of the effects of Magnesium Sulfate on cerebral vasculature?

<p>Promoting cerebral vasodilation (C)</p> Signup and view all the answers

How does Gabapentin affect voltage-gated calcium channels?

<p>Decreases their density (C)</p> Signup and view all the answers

What role does Magnesium Sulfate play in inhibiting neuromuscular transmission?

<p>Blocks calcium entry into synaptic endings (A)</p> Signup and view all the answers

What effect does phenytoin have on GABA and glutamate uptake?

<p>Facilitates GABA uptake and also increases glutamate uptake (B)</p> Signup and view all the answers

How does phenytoin affect normal brain activity at therapeutic doses?

<p>Has no effect on normal brain activity (B)</p> Signup and view all the answers

Which anticonvulsant medication increases the relative refractory period?

<p>Barbiturates (C)</p> Signup and view all the answers

Where does phenytoin act within neurons to exert its effect?

<p>Membrane (D)</p> Signup and view all the answers

What is the primary mechanism of action of phenytoin?

<p>Stabilizing neuronal membrane by blocking sodium channels (C)</p> Signup and view all the answers

Which neurotransmitter system is directly affected by phenytoin?

<p>Glutamate (C)</p> Signup and view all the answers

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