The acute management of epilepsy, particularly status epilepticus, is a neurological emergency where pharmacists play a critical role in ensuring rapid and appropriate treatment. The Patient Care VII: Brain and Behavior curriculum dedicates a specific unit to this topic, emphasizing the systematic approach to stabilizing the patient, selecting and dosing emergency medications, and transitioning to long-term care. This quiz will test your knowledge on the management of status epilepticus, the pharmacology of acute-use anti-seizure medications, and the crucial pharmacokinetic considerations that guide therapy in an urgent care setting.
1. Status epilepticus (SE) is a medical emergency. Operationally, it is defined as a continuous seizure lasting longer than:
- A. 30 seconds
- B. 1 minute
- C. 5 minutes
- D. 30 minutes
Answer: C. 5 minutes
2. What is the first-line class of medication for the emergent treatment of status epilepticus?
- A. Barbiturates
- B. Hydantoins
- C. Benzodiazepines
- D. Carboxylic acids
Answer: C. Benzodiazepines
3. A patient is brought to the emergency department in status epilepticus with no IV access established. Which of the following is an appropriate first-line treatment option?
- A. Intramuscular (IM) midazolam
- B. Intravenous (IV) phenytoin
- C. Oral levetiracetam
- D. Intravenous (IV) propofol
Answer: A. Intramuscular (IM) midazolam
4. The initial stabilization phase (0-5 minutes) in the management of SE involves:
- A. Immediately administering a second-line anti-seizure medication.
- B. Assessing and managing airway, breathing, and circulation (the ABCs).
- C. Obtaining a detailed family history.
- D. Starting a continuous EEG.
Answer: B. Assessing and managing airway, breathing, and circulation (the ABCs).
5. Which of the following is a recommended first-line benzodiazepine for the treatment of SE in a patient with IV access?
- A. IV Clonazepam
- B. IV Lorazepam
- C. IV Alprazolam
- D. IV Clobazam
Answer: B. IV Lorazepam
6. If a seizure continues after an adequate dose of a benzodiazepine, the patient is considered to have progressed to which stage?
- A. Early Status Epilepticus
- B. Established Status Epilepticus
- C. Refractory Status Epilepticus
- D. Super-refractory Status Epilepticus
Answer: B. Established Status Epilepticus
7. Which of the following is a recommended second-line therapy for established status epilepticus?
- A. A repeat dose of a benzodiazepine.
- B. An IV infusion of a non-benzodiazepine anti-seizure medication like fosphenytoin, valproic acid, or levetiracetam.
- C. An oral dose of carbamazepine.
- D. An inhaled anesthetic.
Answer: B. An IV infusion of a non-benzodiazepine anti-seizure medication like fosphenytoin, valproic acid, or levetiracetam.
8. Fosphenytoin is a prodrug of phenytoin. What is a primary advantage of using IV fosphenytoin over IV phenytoin in the acute setting?
- A. Fosphenytoin can be infused more rapidly with a lower risk of hypotension and cardiac arrhythmias.
- B. Fosphenytoin does not require a loading dose.
- C. Fosphenytoin has a much faster onset of action.
- D. Fosphenytoin is significantly less expensive.
Answer: A. Fosphenytoin can be infused more rapidly with a lower risk of hypotension and cardiac arrhythmias.
9. The “Acute Management of Epilepsy” is a core lecture within which module of the Patient Care VII course?
- A. Module 4: Mood Disorders
- B. Module 5: Anxiety and Sleep-Wake Disorders
- C. Module 6: Epilepsy.
- D. Module 7: Other Neuropsychiatric Disorders
Answer: C. Module 6: Epilepsy.
10. What is the purpose of administering a loading dose of a medication like phenytoin or valproic acid in the management of SE?
- A. To minimize the risk of side effects.
- B. To quickly achieve a therapeutic serum concentration.
- C. To test for an allergic reaction.
- D. To induce the drug’s metabolism.
Answer: B. To quickly achieve a therapeutic serum concentration.
11. The pharmacology of benzodiazepines makes them ideal first-line agents for SE because they:
- A. Have a slow onset of action but a long duration.
- B. Are potent GABA-A receptor modulators with a rapid onset of action.
- C. Do not cause respiratory depression.
- D. Work by blocking sodium channels.
Answer: B. Are potent GABA-A receptor modulators with a rapid onset of action.
12. “Purple glove syndrome” is a rare but serious infusion-site reaction associated with the intravenous administration of which medication?
- A. Levetiracetam
- B. Valproic acid
- C. Lorazepam
- D. Phenytoin
Answer: D. Phenytoin
13. A patient who continues to have seizures despite adequate trials of a benzodiazepine and a second-line ASM is considered to have:
- A. Provoked seizures.
- B. Absence epilepsy.
- C. Refractory status epilepticus.
- D. Benign rolandic epilepsy.
Answer: C. Refractory status epilepticus.
14. The management of refractory status epilepticus may involve a continuous infusion of which agents, requiring ICU admission and continuous EEG monitoring?
- A. Midazolam, pentobarbital, or propofol
- B. Fosphenytoin or levetiracetam
- C. Lorazepam or diazepam
- D. Valproic acid or lacosamide
Answer: A. Midazolam, pentobarbital, or propofol
15. What is the appropriate route of administration for diazepam rectal gel (Diastat)?
- A. Intravenous
- B. Intramuscular
- C. Oral
- D. Rectal
Answer: D. Rectal
16. The pharmacokinetics of fosphenytoin are measured in “phenytoin equivalents” (PE). A dose of 150 mg of fosphenytoin will deliver how much phenytoin?
- A. 100 mg of phenytoin
- B. 150 mg of phenytoin
- C. 225 mg of phenytoin
- D. 75 mg of phenytoin
Answer: B. 150 mg of phenytoin
17. The maximum recommended infusion rate for IV phenytoin in adults is:
- A. 25 mg/min
- B. 50 mg/min
- C. 100 mg/min
- D. 150 mg/min
Answer: B. 50 mg/min
18. A key management step after controlling an episode of status epilepticus is:
- A. Discontinuing all anti-seizure medications.
- B. Initiating or adjusting a long-term maintenance ASM regimen.
- C. Recommending a high-caffeine diet.
- D. Sending the patient home without follow-up.
Answer: B. Initiating or adjusting a long-term maintenance ASM regimen.
19. Which of the following is NOT a goal of acute seizure management?
- A. Terminate the seizure as quickly as possible.
- B. Prevent seizure recurrence.
- C. Minimize treatment-related adverse effects.
- D. Determine the patient’s long-term prognosis immediately.
Answer: D. Determine the patient’s long-term prognosis immediately.
20. A patient arriving in the ED with SE should have what checked immediately as part of the stabilization phase?
- A. A finger-stick blood glucose level.
- B. A lipid panel.
- C. A bone density scan.
- D. A detailed allergy history.
Answer: A. A finger-stick blood glucose level.
21. Intranasal midazolam is an emerging option for acute seizure management in the outpatient setting because it:
- A. Is more effective than IV lorazepam.
- B. Allows for rapid absorption and can be administered by caregivers without requiring IV access.
- C. Has no side effects.
- D. Is a non-benzodiazepine.
Answer: B. Allows for rapid absorption and can be administered by caregivers without requiring IV access.
22. IV valproic acid is a reasonable second-line option for established SE. What is a key adverse effect to monitor for?
- A. Gingival hyperplasia
- B. A severe rash
- C. Hepatotoxicity and hyperammonemia
- D. Kidney stones
Answer: C. Hepatotoxicity and hyperammonemia
23. The “Transcending Concept” lecture on the pharmacokinetics of specific ASMs is critical for acute management because it covers:
- A. The use of loading doses and therapeutic drug monitoring.
- B. The cost of medications.
- C. The color and shape of tablets.
- D. The legal classification of the drugs.
Answer: A. The use of loading doses and therapeutic drug monitoring.
24. The duration of action of a single IV bolus of diazepam is shorter than that of lorazepam due to:
- A. Slower metabolism.
- B. More rapid redistribution out of the CNS into peripheral tissues.
- C. Lower lipophilicity.
- D. Higher protein binding.
Answer: B. More rapid redistribution out of the CNS into peripheral tissues.
25. A pharmacist in the emergency department receives an order for an IV phenytoin loading dose. What is a crucial step before dispensing?
- A. Ensuring the patient has a cardiac monitor and a large-bore IV line.
- B. Confirming the dose is correct for the patient’s weight.
- C. Verifying the maximum infusion rate.
- D. All of the above.
Answer: D. All of the above.
26. The pharmacology of all first-line agents for SE involves enhancing the effects of which neurotransmitter?
- A. Glutamate
- B. Dopamine
- C. Serotonin
- D. GABA
Answer: D. GABA
27. After administering a loading dose of IV valproic acid, when should a trough level typically be drawn to guide maintenance therapy?
- A. Immediately after the infusion.
- B. 12 hours after the infusion.
- C. 24 hours after the infusion.
- D. A trough level is not necessary.
Answer: C. 24 hours after the infusion.
28. Propylene glycol is a diluent used in IV phenytoin and some IV lorazepam formulations. At high infusion rates, it can cause:
- A. A severe skin rash.
- B. Hypotension and cardiac arrhythmias.
- C. Agranulocytosis.
- D. Nephrotoxicity.
Answer: B. Hypotension and cardiac arrhythmias.
29. What is a primary advantage of levetiracetam as a second-line agent in the acute management of SE?
- A. It has a very narrow spectrum of activity.
- B. It has a favorable safety profile and minimal drug-drug interactions.
- C. It requires slow titration over several days.
- D. It is a potent enzyme inducer.
Answer: B. It has a favorable safety profile and minimal drug-drug interactions.
30. The “Implement” step of the PPCP in the acute management of epilepsy involves:
- A. Assessing the seizure type.
- B. Preparing and dispensing the emergency medication in a timely and accurate manner.
- C. Creating a long-term care plan.
- D. Following up with the patient a week later.
Answer: B. Preparing and dispensing the emergency medication in a timely and accurate manner.
31. Seizure “clusters” or “acute repetitive seizures” are managed in the outpatient setting with:
- A. A daily oral ASM.
- B. A rescue medication like rectal diazepam or intranasal midazolam.
- C. An antibiotic.
- D. A non-pharmacological approach only.
Answer: B. A rescue medication like rectal diazepam or intranasal midazolam.
32. The maximum infusion rate for IV fosphenytoin is:
- A. 25 mg PE/min
- B. 50 mg PE/min
- C. 100 mg PE/min
- D. 150 mg PE/min
Answer: D. 150 mg PE/min
33. What is a key advantage of IM midazolam over IM lorazepam for pre-hospital treatment of SE?
- A. IM midazolam has more reliable and rapid absorption.
- B. IM lorazepam has a faster onset of action.
- C. IM midazolam is not a controlled substance.
- D. IM lorazepam has fewer side effects.
Answer: A. IM midazolam has more reliable and rapid absorption.
34. The pharmacist’s role in the acute management of epilepsy includes all of the following EXCEPT:
- A. Dosing recommendations, including loading doses.
- B. IV compatibility and stability information.
- C. Monitoring for adverse drug events.
- D. Making the definitive diagnosis of the seizure type.
Answer: D. Making the definitive diagnosis of the seizure type.
35. After a patient is stabilized from SE, it is crucial to:
- A. Assume they will never have another seizure.
- B. Investigate and treat the underlying cause of the SE, if possible.
- C. Stop all medications to see if seizures recur.
- D. Discharge the patient immediately with no follow-up plan.
Answer: B. Investigate and treat the underlying cause of the SE, if possible.
36. A pharmacist is asked to prepare an IV infusion of phenytoin. It should be diluted in which of the following fluids?
- A. Dextrose 5% in water (D5W)
- B. Normal Saline (NS)
- C. Sterile water for injection
- D. Lactated Ringer’s solution
Answer: B. Normal Saline (NS)
37. The pathophysiology of prolonged seizures (SE) involves a decrease in the efficacy of GABAergic transmission and an increase in:
- A. Serotonergic transmission.
- B. Dopaminergic transmission.
- C. Glutamatergic transmission.
- D. Cholinergic transmission.
Answer: C. Glutamatergic transmission.
38. Which second-line agent for established SE is generally avoided in a patient with a known allergy to sulfa drugs?
- A. Valproic acid
- B. Levetiracetam
- C. Zonisamide (if considered)
- D. Phenytoin
Answer: C. Zonisamide (if considered)
39. A loading dose calculation for phenytoin must account for the drug’s:
- A. Half-life.
- B. Volume of distribution (Vd).
- C. Clearance.
- D. Oral bioavailability.
Answer: B. Volume of distribution (Vd).
40. A patient in refractory SE on a continuous midazolam infusion develops hypotension. This is a known pharmacodynamic effect of:
- A. High-dose benzodiazepines and other general anesthetics.
- B. The underlying seizure activity.
- C. An allergic reaction.
- D. A drug-food interaction.
Answer: A. High-dose benzodiazepines and other general anesthetics.
41. The primary goal of second-line therapy in established SE is to:
- A. Provide sedation only.
- B. Achieve long-term seizure control and prevent recurrence after the initial BZD.
- C. Reverse the effects of the benzodiazepine.
- D. Treat the patient’s anxiety.
Answer: B. Achieve long-term seizure control and prevent recurrence after the initial BZD.
42. A patient with non-convulsive status epilepticus may present with:
- A. Violent, jerking movements of all limbs.
- B. A prolonged state of confusion or altered mental status.
- C. A normal EEG.
- D. A high fever.
Answer: B. A prolonged state of confusion or altered mental status.
43. The management of acute seizures requires knowledge from which foundational course?
- A. Principles of Law & Ethics
- B. Principles of Drug Therapy Individualization (Pharmacokinetics).
- C. Population Health
- D. Drug Delivery Systems
Answer: B. Principles of Drug Therapy Individualization (Pharmacokinetics).
44. After a seizure is terminated, the “Follow-up” step of the PPCP would involve:
- A. Immediately starting a new medication.
- B. Monitoring for seizure recurrence, adverse drug effects, and assessing the need for changes to the maintenance regimen.
- C. Discharging the patient from the hospital.
- D. Assuming the treatment was successful with no further action needed.
Answer: B. Monitoring for seizure recurrence, adverse drug effects, and assessing the need for changes to the maintenance regimen.
45. Which of the following is a potential complication of untreated status epilepticus?
- A. Improved cognitive function
- B. Permanent neuronal damage and death
- C. A decrease in blood pressure
- D. A resolution of the underlying epilepsy
Answer: B. Permanent neuronal damage and death
46. The hospital pharmacist’s role in the acute management of SE is facilitated by:
- A. Working in isolation from the medical team.
- B. Having pre-printed protocols and order sets for SE management.
- C. Delaying the preparation of emergency medications.
- D. Only dispensing oral medications.
Answer: B. Having pre-printed protocols and order sets for SE management.
47. IV phenytoin should not be infused at a rate > 50 mg/min due to the risk of:
- A. Hepatotoxicity.
- B. Severe skin rash.
- C. Cardiovascular collapse and hypotension.
- D. Nephrotoxicity.
Answer: C. Cardiovascular collapse and hypotension.
48. Why is lorazepam often preferred over diazepam for IV treatment of SE in the hospital?
- A. It has a faster onset of action.
- B. It has a longer duration of action in the CNS due to less rapid redistribution.
- C. It causes less sedation.
- D. It is not a controlled substance.
Answer: B. It has a longer duration of action in the CNS due to less rapid redistribution.
49. The “Assess” step of the PPCP during an acute seizure event involves:
- A. Creating a long-term care plan.
- B. Rapidly evaluating the patient’s clinical status and the appropriateness of the current therapy.
- C. Educating the patient’s family.
- D. Documenting the event after it is over.
Answer: B. Rapidly evaluating the patient’s clinical status and the appropriateness of the current therapy.
50. The successful acute management of epilepsy requires:
- A. A slow, deliberate approach over several days.
- B. A rapid, systematic, and collaborative interprofessional team effort.
- C. The use of only one specific medication for all patients.
- D. The pharmacist to remain in the central pharmacy and not interact with the team.
Answer: B. A rapid, systematic, and collaborative interprofessional team effort.
