Firefly Tail and Opioids Quiz
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Questions and Answers

What endogenous ligand would make the firefly’s tail glow yellow?

  • GABA
  • Serotonin
  • Endorphins (correct)
  • Anandamide
  • What is the threshold dose of morphine for this firefly?

  • 15 mg
  • 50 mg
  • 5 mg
  • 25 mg (correct)
  • If fentanyl is 100 times more potent than morphine, what dose of fentanyl is needed to make the firefly’s tail glow yellow at 50% brightness?

  • 0.15 mg (correct)
  • 5 mg
  • 1500 mg
  • 15 mg
  • After building tolerance to opioids by taking morphine twice a day for a month, what brightness will the firefly's tail glow at with a 15 mg dose of morphine?

    <p>Under 50%</p> Signup and view all the answers

    When the firefly takes a 15 mg dose of naloxone, at what brightness does its tail glow?

    <p>0%</p> Signup and view all the answers

    After taking acetaminophen for a month, what percentage brightness will the firefly's tail glow at when given 25 mg of morphine?

    <p>Less than 50%</p> Signup and view all the answers

    What will happen if a mu-opioid receptor partial agonist is given to the special firefly species?

    <p>It will glow yellow</p> Signup and view all the answers

    What is the mechanism of action of an opioid overdose reversal agent?

    <p>Blocking opioid receptors</p> Signup and view all the answers

    What aspect of morphine's characteristics is indicated by its therapeutic index?

    <p>Its safety margin</p> Signup and view all the answers

    Which type of drug would directly activate the mu-opioid receptor?

    <p>Mu-opioid receptor partial agonist</p> Signup and view all the answers

    How would a special firefly species react if given morphine, based on the text?

    <p>It will not glow at all</p> Signup and view all the answers

    Why are mu-opioid receptor antagonists considered important in opioid overdose situations?

    <p>To block the effects of opioids and reverse an overdose</p> Signup and view all the answers

    What is the therapeutic index (Lethal Dose/ Effective Dose) for morphine?

    <p>100</p> Signup and view all the answers

    Which of the following is an example of a mu-opioid receptor partial agonist?

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

    What happens to the special firefly's glow when given a dose of morphine under 5mg?

    <p>It does not glow at all</p> Signup and view all the answers

    What physical and psychological symptoms occur when use of an addictive substance is discontinued?

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

    Which agent can be used to reverse an opioid overdose?

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

    Which type of receptor is the mu-opioid receptor?

    <p>G-coupled protein receptor</p> Signup and view all the answers

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