Pharm unit 4 l3
32 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the enzyme responsible for the conversion of tyrosine to noradrenaline?

  • Tyrosine decarboxylase
  • Tyrosine hydroxylase
  • DOPA decarboxylase (correct)
  • Tyrosine oxidase
  • How is dopamine actively packaged into vesicles?

  • By an amine transporter (correct)
  • By a noradrenaline transporter
  • By a serotonin transporter
  • By a dopamine transporter
  • What is the primary mechanism for the release of noradrenaline?

  • Facilitated diffusion
  • Passive diffusion
  • Active transport
  • Classical Ca2+-mediated exocytosis (correct)
  • What is the primary mechanism for the termination of noradrenaline action?

    <p>Reuptake by a noradrenaline transporter</p> Signup and view all the answers

    What is the primary enzyme responsible for the degradation of noradrenaline?

    <p>Monoamine oxidase and aldehyde dehydrogenase</p> Signup and view all the answers

    Which receptor type functions as inhibitory receptors and autoreceptors reducing noradrenaline release?

    <p>Postsynaptic α2 adrenoceptors</p> Signup and view all the answers

    Which physiological response is associated with noradrenaline at the cellular level?

    <p>CNS arousal</p> Signup and view all the answers

    Which neurotransmitter deficiency is thought to underlie depression?

    <p>Noradrenaline &amp; serotonin</p> Signup and view all the answers

    What is the most established neurochemical theory underlying depression?

    <p>Monoamine theory</p> Signup and view all the answers

    Which type of antidepressant drugs prevents the reuptake of serotonin and/or noradrenaline?

    <p>Monoamine reuptake inhibitors</p> Signup and view all the answers

    What is the primary mechanism of action of monoamine reuptake inhibitors in the acute phase?

    <p>Block the reuptake of neurotransmitters</p> Signup and view all the answers

    What adaptive changes in the brain are associated with chronic antidepressant treatment?

    <p>All of the above</p> Signup and view all the answers

    Which neurotransmitter is thought to underlie depression?

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

    Which enzyme is responsible for the degradation of serotonin?

    <p>Monoamine oxidase</p> Signup and view all the answers

    What is the primary site of cells bodies for noradrenaline in the brain?

    <p>Locus ceruleus</p> Signup and view all the answers

    Which receptor type is an inhibitory autoreceptor reducing serotonin release?

    <p>5-HT1A</p> Signup and view all the answers

    What is the primary mechanism for the release of serotonin?

    <p>Ca2+-mediated exocytosis</p> Signup and view all the answers

    Which enzyme is responsible for the conversion of tryptophan to serotonin?

    <p>Tryptophan hydroxylase</p> Signup and view all the answers

    Which physiological response is associated with serotonin at the behavioral level?

    <p>Sleep, wakefulness, and mood</p> Signup and view all the answers

    Which neurotransmitter is associated with cells bodies in the raphe nuclei?

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

    Which of the following SSRIs is also an antagonist at 5-HT2C receptors?

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

    What is a potential risk of SSRIs for children and adolescents under 18 years?

    <p>Potential risk of suicide ideation</p> Signup and view all the answers

    What condition can SSRIs also be used to treat besides depression?

    <p>Premature ejaculation</p> Signup and view all the answers

    Which side effect is NOT commonly associated with SSRIs?

    <p>Postural hypotension</p> Signup and view all the answers

    Which of the following is a side effect of tricyclic antidepressants due to H1 block?

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

    What is a serious risk associated with the use of Monoamine Oxidase Inhibitors (MAOIs) and certain foods?

    <p>Cheese reaction</p> Signup and view all the answers

    What type of antidepressant is Mirtazapine classified as?

    <p>Monoamine Receptor Antagonist</p> Signup and view all the answers

    Which of the following is NOT a main selective serotonin reuptake inhibitor (SSRI)?

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

    Which of the following is a potential side effect of SSRIs when combined with MAO inhibitors?

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

    What is a common use for SNRIs besides treating depression?

    <p>Menopause symptoms</p> Signup and view all the answers

    Which of the following is NOT a tricyclic antidepressant (TCA)?

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

    Which of the following antidepressants is known to interact with CypP450 enzymes, posing a serious risk of drug-drug interactions?

    <p>St John’s Wort</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser