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WorksheetsIncreasing Decreasing uc
Total questions: 26
Worksheet time: 14mins
What is the primary action of uterine relaxants
Decrease uterine motility
Induce relaxation of the uterus
Increase uterine contraction during delivery
Prevent postpartum hemorrhage
Which drug is classified as a uterine relaxant?
Methylergometrine
Ritodrine
Oxytocin
Ergometrine
What is the mechanism of action for tocolytics?
Enhance oxytocin receptor sensitivity
Inhibit the synthesis and release of prostaglandins
Stimulate uterine contractions
Increase intracellular calcium concentration
Which of the following is a side effect of Ritodrine?
Decreased heart rate
Increased milk production
Pulmonary edema
Hypotension
What is the primary use of oxytocin?
To prevent uterine atony
To treat dysmenorrhea
To induce or augment abnormal labor
To delay labor
Which drug is preferred for treating postpartum hemorrhage in hypertensive women?
Oxytocin
Ergometrine
Methylergometrine
Ritodrine
What is the effect of high doses of oxytocin during labor?
Sustained contraction without relaxation
Increased relaxation of the uterus
Decreased uterine sensitivity
Increased blood flow to the fetus
Which of the following is a contraindication for ergometrine?
Normal blood pressure
Hypertension
Healthy pregnancy
No history of seizures
What is the action of magnesium sulfate in pregnancy?
Suppress uterine contractions
Increase blood pressure
Enhance fetal heart rate
Stimulate uterine contractions
Which drug is a selective B2 adrenergic agonist?
Isoxsuprine
Oxytocin
Ergometrine
Methylergometrine
What is the primary purpose of the oxytocin challenge test?
To measure maternal blood pressure
To determine the need for cesarean delivery
To assess uterine contractions
To evaluate fetal heart rate response to contractions
Which of the following is a side effect of isoxsuprine?
Hypotension
Nausea
Increased uterine contractions
Decreased heart rate
What is the action of indomethacin in preterm labor?
Enhance fetal heart rate
Inhibit prostaglandin synthesis
Stimulate oxytocin release
Increase uterine contractions
Which drug is used to treat uterine inertia?
Oxytocin
Ritodrine
Isoxsuprine
Salbutamol
What is the effect of ergometrine on uterine contractions?
Only relaxes the uterus
Has no effect on contractions
Increases strength and duration of contractions
Decreases frequency of contractions
What is a common side effect of terbutaline?
Hypotension
Tachycardia
Increased uterine contractions
Decreased fetal heart rate
What is the primary action of calcium channel blockers in obstetrics?
Stimulate oxytocin release
Enhance fetal heart rate
Suppress uterine contractions
Increase uterine contractions
What is the role of oxytocin in breastfeeding?
Increases uterine contractions
Facilitates milk ejection
Stimulates milk production
Decreases milk ejection reflex
Which of the following is a side effect of magnesium sulfate?
Increased blood pressure
Enhanced uterine contractions
Respiratory depression
Increased heart rate
What is the effect of high doses of ergometrine?
Decreased uterine contractions
Increased relaxation of the uterus
Prolonged vasospasm
Increased milk secretion
What is the mechanism of action of tocolytics?
Enhance uterine contractions
Stimulate prostaglandin release
Decrease intracellular calcium
Increase intracellular calcium
What is the primary use of oxytocin during labor?
To prevent uterine rupture
To treat hypertension
To induce or augment labor
To delay labor
Which drug is contraindicated in patients with porphyria?
Ritodrine
Salbutamol
Ergometrine
Oxytocin
What is the effect of oxytocin on the uterus during parturition?
Decreases sensitivity to contractions
Increases relaxation of the uterus
Increases number of oxytocin receptors
Decreases uterine contractions
UTERINE RELAXANTS USES
To delay preterm labor
Arrest thereathen abortion
To treat dysmenorrhea
Augment abnormal labor
Inhibit abortion
Uterine stimulant Uses
Inhibit abortion
Manage Postpartum hemorrhage
To prevent preterm labor
Augment abnormal labor
Prevent Early rapture of membrane
