What is the most common cause of subinvolution?

Retained placental fragments

Infection

Uterine fibroids

Multiparity

Answer and Explanation

The Correct Answer is A

The correct answer is choice A. Retained placental fragments are the most common cause of subinvolution. Subinvolution is a condition where the uterus does not return to its normal size after childbirth. Retained placental fragments prevent the uterus from contracting properly and cause prolonged bleeding and infection.

Choice B is wrong because infection is not the most common cause of subinvolution, but it can be an aggravating factor. Infection can cause inflammation and interfere with the healing of the uterine lining.

Choice C is wrong because uterine fibroids are not the most common cause of subinvolution, but they can be a predisposing factor. Uterine fibroids are benign tumors that can distort the shape of the uterus and impair its contraction.

Choice D is wrong because multiparity is not the most common cause of subinvolution, but it can be a predisposing factor. Multiparity means having given birth more than once, which can weaken the uterine muscles and reduce their ability to contract.

Normal ranges for uterine involution are as follows:

• Uterus weight: decreases from about 1000 g at delivery to about 60 g at six weeks postpartum.

• Uterus height: decreases from about 20 cm above the pubic bone at delivery to about 12 cm at one week postpartum, and then descends into the pelvis by six weeks postpartum.

• Uterus size: decreases from about 20 times its normal size at delivery to about its normal size at six weeks postpartum.

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Correct Answer is C

Explanation

The correct answer is choice C. Ask the patient to void.This is because a full bladder can displace the uterus and interfere with its contraction, which can lead to postpartum hemorrhageThe nurse should assess the patient’s uterus after ensuring that the bladder is empty.

Choice A is wrong because placing the patient on the left side does not affect the uterus assessment.It may help with blood circulation and oxygenation, but it is not necessary before checking the uterus.

Choice B is wrong because assessing the passage of lochia is part of the uterus assessment, not a prerequisite.Lochia is the vaginal discharge after giving birth, containing blood, mucus, and uterine tissueIt has three stages: lochia rubra (red), lochia serosa (pinkish brown), and lochia alba (yellowish white)

Choice D is wrong because administering a dose of oxytocin is not required before assessing the uterus.

Oxytocin is a hormone that stimulates uterine contractions and reduces bleeding.It may be given during or after labor to prevent or treat postpartum hemorrhage, but it is not a routine procedure.

A. Formula feeding provides more nutrients than breast milk. B. Formula feeding requires less time than breastfeeding. C. Formula feeding reduces bonding between mother and infant. D. Formula feeding increases risk for infection in infants.

Correct Answer is D

Explanation

Formula feeding increases risk for infection in infants.This is because breast milk contains antibodies and other germ-fighting factors that help protect the baby from infections, such as ear infections, diarrhea, respiratory infections and meningitis.Breast milk also provides ideal nutrition and is easily digested by the baby.

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What is the most common cause of subinvolution?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is providing postpartum care to a patient 24 hours after a vaginal delivery. Which action does the nurse perform prior to assessing the patient’s uterus?

Correct Answer is C

Explanation

A nurse is caring for a postpartum client who has decided not to breastfeed her infant and has chosen formula feeding instead. The nurse should instruct the client that:

Correct Answer is D

Explanation

A nurse is reviewing the laboratory results of a postpartum client who had a hemorrhage due to uterine atony. Which finding would be expected in this client?

A nurse is planning care for a client who has postpartum psychosis and is experiencing hallucinations. Which of the following interventions should the nurse include in the plan?

A client is concerned about the risk factors for pre-term labor. Which of the following factors should the nurse include in the discussion?

A nurse is reviewing the medical records of four clients who are pregnant and planning to have a vaginal birth after cesarean (VBAC). Which of the following clients has the highest risk of uterine rupture during labor?

A nurse is assessing a woman who gave birth four days ago. The nurse notes that the woman has a positive mood, expresses confidence in her ability to care for her infant, and reports adequate support from her partner and family. The nurse identifies these findings as indicators of:

A nurse is caring for a client who is in the informal stage of maternal role attainment. Which of the following statements by the client indicates an understanding of this stage?

A nurse is caring for a postpartum client who had a difficult labor and delivery. The client expresses frustration and disappointment with her birth experience. Which of the following actions should the nurse take?

The nurse is palpating a patient’s uterus 12 hours after a vaginal delivery. For which reason does the nurse place one hand just above the symphysis pubis?