Increasing Decreasing uc

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