Drugs affecting the CNS and the Blood-Brain Barrier
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Questions and Answers

What property enables a drug to cross the blood-brain barrier more effectively?

  • Ionization at plasma pH
  • Lipid solubility (correct)
  • High polar nature
  • Binding strongly to plasma proteins
  • Which drug induces sleep without causing loss of consciousness?

  • Sedative
  • Analgesic
  • Hypnotic (correct)
  • Antipyretic
  • What is the primary characteristic of narcotics analgesics?

  • Relieves pain without causing sleep
  • Causes loss of consciousness without relieving pain
  • Produces drowsiness without pain relief
  • Relieves pain and produces sleep (correct)
  • Which drug specifically prevents or suppresses epileptic convulsions?

    <p>Antiepileptic</p> Signup and view all the answers

    What is the term for a drug that affects the normal mental state and behaviors?

    <p>Psychotropic</p> Signup and view all the answers

    Which neurotransmitter is important for attentiveness, emotions, sleeping, dreaming, and learning?

    <p>Norepinephrine</p> Signup and view all the answers

    Which neurotransmitter triggers muscle contraction and stimulates the excretion of certain hormones?

    <p>Acetylcholine</p> Signup and view all the answers

    Which is a major excitatory neurotransmitter associated with learning and memory?

    <p>Glutamate</p> Signup and view all the answers

    Which inhibitory neurotransmitter is widely distributed in the neurons of the cortex and regulates anxiety?

    <p>GABA (gamma-aminobutyric acid)</p> Signup and view all the answers

    Which drugs are considered the drugs of choice in the treatment of anxiety partly because of their high therapeutic index?

    <p>Benzodiazepines</p> Signup and view all the answers

    Which type of drug can relieve pain without causing loss of consciousness?

    <p>Analgesic</p> Signup and view all the answers

    What is the term for a drug that prevents or suppresses convulsions?

    <p>Anticonvulsant</p> Signup and view all the answers

    Which characteristic makes a drug better able to diffuse across the blood-brain barrier?

    <p>Lipid solubility</p> Signup and view all the answers

    Which type of drug specifically prevents or suppresses epileptic convulsions?

    <p>Anticonvulsant</p> Signup and view all the answers

    What is the term for a drug that induces sleep without causing loss of consciousness?

    <p>Hypnotic</p> Signup and view all the answers

    Which drug type affects the normal mental state and behaviors?

    <p>Psychotropic</p> Signup and view all the answers

    Which neurotransmitter is involved in controlling movement and posture, modulating mood, and playing a central role in positive reinforcement and dependency?

    <p>Dopamine</p> Signup and view all the answers

    What is the primary function of GABA (gamma-aminobutyric acid) in the central nervous system?

    <p>Regulating anxiety</p> Signup and view all the answers

    What is the neurotransmitter that contributes to various functions such as regulating body temperature, sleep, mood, appetite, and pain?

    <p>Serotonin</p> Signup and view all the answers

    Which category of drugs is widely used in clinical anesthesia for anesthetic premedication?

    <p>Anxiolytic and hypnotic drugs</p> Signup and view all the answers

    What is the primary characteristic of anticonvulsants?

    <p>Preventing or suppressing epileptic convulsions</p> Signup and view all the answers

    Which neurotransmitter is important for attentiveness, emotions, sleeping, dreaming, and learning?

    <p>Norepinephrine</p> Signup and view all the answers

    What is the primary function of glutamate as a neurotransmitter?

    <p>Learning and memory</p> Signup and view all the answers

    What are the agents that cause some sedation and hypnotic properties and are often used clinically as both anxiolytic and hypnotic agents?

    <p>Benzodiazepines</p> Signup and view all the answers

    What is the term for drugs that affect the normal mental state and behaviors?

    <p>CNS stimulants and hallucinogens</p> Signup and view all the answers

    What is the term for an unpleasant state of tension, apprehension, or uneasiness that arises from an unknown source?

    <p>Anxiety</p> Signup and view all the answers

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