Neuropharmacology: Anticonvulsants and CNS Drugs
About this topic
Designed for Zambian college and university students in medicine and pharmacology, this advanced topic examines drugs acting on the central nervous system, with a focus on anticonvulsants and agents for neurological disorders. It includes the pharmacology of drugs for epilepsy (e.g., ethosuximide for absence seizures, phenytoin, valproate), management of status epilepticus, and drugs used in pre-eclampsia/eclampsia like magnesium sulphate. The topic also covers antipsychotics, antidepressants, antiparkinsonian drugs, and skeletal muscle relaxants. For tertiary learners in Zambia, mastering this area is essential for passing challenging examinations and for future roles in neurology, psychiatry, and general medicine, where managing seizures, mood disorders, and movement disorders is common. The content bridges foundational science with therapeutic application, preparing students for clinical rotations and professional practice.
What you'll practise (6 questions)
- Which is a dopamine receptor agonist?
- Which of the following is a potential side effect of dopamine receptor antagonists like traditional antipsychotics?
- A 51-year-old man suffering from episodic leg cramps started treatment with a drug that activates GABA receptors both in the brain and in the spinal cord. This activation must likely operate through the following site of neurons?
- A 54-year-old woman who has initial insomnia was prescribed a hypnotic drug that increases the activity of a major neurotransmitter system in the brain. Which of the following neurotransmitter systems was most likely involved in the therapeutic action of that drug?
- A 32-year-old woman was brought to the emergency department because of a generalized tonic-clonic seizure. Her husband stated that his wife had had epilepsy since childhood, but the seizures were only partially controlled by medication. Which of the following pairs of neurotransmitters are thought to be most involved in seizure disorders?
- Which of the following transmitters is low in Parkinson's disease:
Answer each question above to see the correct answer and a full explanation.