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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?

In patients who are not responsive to PGs Signup and view all the answers

What is a potential disadvantage of using oxytocin?

It causes fluid retention Signup and view all the answers

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

It causes fluid retention Signup and view all the answers

What is the main mechanism of oxytocin in inducing labour?

Augmentation of uterine contractions Signup and view all the answers

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

All of the above Signup and view all the answers

What is the purpose of using oxytocin in postpartum haemorrhage?

To control blood loss after delivery Signup and view all the answers

In which of the following conditions is oxytocin used?

All of the above Signup and view all the answers

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

It does not contract the lower segment of the uterus Signup and view all the answers

What is the advantage of oxytocin over ergometrine and prostaglandins?

Quick action and quick termination of action Signup and view all the answers

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

They sensitize the uterus to oxytocin Signup and view all the answers

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

It relaxes the lower segment Signup and view all the answers

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

Near term Signup and view all the answers

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

It causes full relaxation in between contractions Signup and view all the answers

What is the primary action of oxytocin on the uterus?

It increases both the force and frequency of uterine contractions Signup and view all the answers

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

The fundus and body Signup and view all the answers