Oxytocin Uses in Labour and Childbirth
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Questions and Answers

Why are PGs used in toxaemia of pregnancy instead of oxytocin?

  • PGs are less potent than oxytocin
  • PGs are more potent than oxytocin
  • PGs do not cause fluid retention (correct)
  • PGs cause fluid retention

    • What is a reason why oxytocin is not preferred in renal failure patients?

  • It causes fluid retention (correct)
  • It has a short duration of action
  • It has a high cost
  • It has a low potency

    • What is the advantage of using PGs over oxytocin in induction of labor?

  • PGs are less potent
  • PGs do not cause fluid retention (correct)
  • PGs are more potent
  • PGs have a shorter duration of action

    • In which situation would oxytocin be preferred over PGs?

    <p>In patients who are not responsive to PGs (C)</p> Signup and view all the answers

    What is a potential disadvantage of using oxytocin?

    <p>It causes fluid retention (B)</p> Signup and view all the answers

    Why would oxytocin not be used in patients with pre-eclampsia?

    <p>It causes fluid retention (D)</p> Signup and view all the answers

    What is the main mechanism of oxytocin in inducing labour?

    <p>Augmentation of uterine contractions (C)</p> Signup and view all the answers

    Why is oxytocin preferred over ergometrine or prostaglandins for induction of labour?

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

    What is the purpose of using oxytocin in postpartum haemorrhage?

    <p>To control blood loss after delivery (C)</p> Signup and view all the answers

    In which of the following conditions is oxytocin used?

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

    What is the effect of oxytocin on the lower segment of the uterus?

    <p>It does not contract the lower segment of the uterus (D)</p> Signup and view all the answers

    What is the advantage of oxytocin over ergometrine and prostaglandins?

    <p>Quick action and quick termination of action (B)</p> Signup and view all the answers

    What is the effect of estrogens on the uterus in relation to oxytocin?

    <p>They sensitize the uterus to oxytocin (D)</p> Signup and view all the answers

    What is the effect of oxytocin on the lower segment of the uterus at term?

    <p>It relaxes the lower segment (B)</p> Signup and view all the answers

    During which period does the sensitivity of the uterus to oxytocin increase sharply?

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

    What is the effect of low doses of oxytocin on uterine contractions?

    <p>It causes full relaxation in between contractions (D)</p> Signup and view all the answers

    What is the primary action of oxytocin on the uterus?

    <p>It increases both the force and frequency of uterine contractions (C)</p> Signup and view all the answers

    Which part of the uterus is contracted by oxytocin at term?

    <p>The fundus and body (D)</p> Signup and view all the answers

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