Morphine Kinetics and Metabolism Quiz
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Questions and Answers

What is the major route of excretion for morphine?

  • Stomach
  • Saliva
  • Urine (correct)
  • Bile

What is the main effect of morphine on the respiratory center?

  • Stimulation
  • Inhibition (correct)
  • Dysphoria
  • No effect

Which receptor type is responsible for analgesia, euphoria, and sedation?

  • Sigma
  • Delta
  • Mu (correct)
  • Kappa

What is the recommended treatment for neonatal asphyxia caused by maternal use of morphine during labor?

<p>Naloxone (I.M.) to the mother before labor (A)</p> Signup and view all the answers

What is the primary effect of morphine on the pupils of the eyes?

<p>Miosis (A)</p> Signup and view all the answers

What is the main reason for the low oral bioavailability of morphine?

<p>Limited absorption in the gastrointestinal tract (C)</p> Signup and view all the answers

Which opioid receptor type is associated with dysphoria and psychotomimetic effects?

<p>Kappa receptor (C)</p> Signup and view all the answers

What is the primary route of excretion for morphine?

<p>Urine (B)</p> Signup and view all the answers

What effect does morphine have on the placental barrier during pregnancy?

<p>Addiction of fetus (A)</p> Signup and view all the answers

What is the consequence of morphine's rapid diluted I.V. injection in shock?

<p>Delayed onset of action (D)</p> Signup and view all the answers

What is the primary effect of morphine on the respiratory center?

<p>Stimulation (B)</p> Signup and view all the answers

Which receptor type is responsible for dysphoria and psychotomimetic effects?

<p>Kappa (D)</p> Signup and view all the answers

What is the consequence of morphine's rapid diluted I.V. injection in shock?

<p>Hypotension (A)</p> Signup and view all the answers

What is the major route of excretion for morphine?

<p>Urine (D)</p> Signup and view all the answers

What effect does morphine have on the placental barrier during pregnancy?

<p>Increased risk of neonatal asphyxia (C)</p> Signup and view all the answers

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