Which of the following is the most common cause of postpartum hemorrhage?
Uterine atony
Retained placenta
Lacerations
Hematomas
The Correct Answer is A
Uterine atony is the most common cause of postpartum hemorrhage, accounting for up to 80% of cases. It occurs when the uterus does not contract enough to stop the bleeding from the placental site. Uterine atony can be caused by factors such as prolonged labor, multiple pregnancy, large baby, infection or use of certain medications.
The other statements are wrong because:
• B. Retained placenta is the second most common cause of postpartum hemorrhage, but it only accounts for about 10% of cases. It occurs when part or all of the placenta remains attached to the uterine wall and prevents the uterus from contracting properly.
• C. Lacerations are tears or cuts in the cervix, vagina or perineum that can cause bleeding after delivery. They are usually minor and can be repaired with stitches, but they can also be severe and require surgery. Lacerations are not very common causes of postpartum hemorrhage, and they usually occur along with other factors such as uterine atony or retained placenta.
• D. Hematomas are collections of blood under the skin or in the tissues that can result from trauma during delivery. They can cause pain, swelling and pressure in the affected area, but they are usually small and resolve on their own. Hematomas are rare causes of postpartum hemorrhage, and they usually occur along with other factors such as lacerations or coagulation disorders.
Normal ranges for blood loss after delivery are less than 500 mL for vaginal birth and less than 1000 mL for cesarean birth. Blood loss greater than these amounts can indicate postpartum hemorrhage and require immediate medical attention.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The nurse should assess the client’s blood pressure before administering methylergonovine because this medication can cause hypertension and vasoconstriction.The nurse should also monitor the client’s blood pressure after administration for any signs of hypertensive crisis.
Choice B.Temperature is wrong because methylergonovine does not affect the body temperature significantly.
However, the nurse should monitor the client’s temperature for any signs of infection or fever.
Choice C.Respiratory rate is wrong because methylergonovine does not affect the respiratory system significantly.
However, the nurse should monitor the client’s respiratory rate for any signs of distress or hypoxia.
Choice D.Oxygen saturation is wrong because methylergonovine does not affect the oxygen saturation significantly.
However, the nurse should monitor the client’s oxygen saturation for any signs of hypoxemia or cyanosis.
Methylergonovine is a uterine stimulant that helps prevent postpartum hemorrh
Correct Answer is ["A","B","C","D"]
Explanation
• Choice A: Administering oxytocin.Oxytocin is a uterotonic agent that stimulates uterine contractions and reduces bleeding from the placental site.It is the most effective intervention for preventing and treating postpartum hemorrhage.
• Choice B: Administering methylergonovine maleate.Methylergonovine maleate is another uterotonic agent that causes sustained uterine contraction and vasoconstriction.It can be used as an alternative or adjunct to oxytocin for postpartum hemorrhage.
• Choice C: Administering carboprost tromethamine.Carboprost tromethamine is a prostaglandin analog that induces strong and prolonged uterine contractions and decreases blood loss.
It can be used as a second-line treatment
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