A client at 32 weeks gestation presents with sudden, painless, bright red vaginal bleeding.
An ultrasound reveals that the placenta entirely covers the internal cervical os. The nurse recognizes this as which type of placenta previa?
Marginal.
Partial.
Complete.
Absent.
Absent.
The Correct Answer is C
Choice A rationale
Marginal placenta previa occurs when the edge of the placenta is located within 2 centimeters of the internal cervical os but does not cover it. In this scenario, as the cervix dilates, the risk of bleeding increases, but a vaginal delivery might still be considered depending on the proximity and maternal-fetal status. This description does not match the patient in the question, whose placenta entirely covers the opening, representing a more significant obstruction and higher clinical risk.
Choice B rationale
Partial placenta previa is a condition where the placenta covers a portion of the internal cervical os but not the entire opening. While this also presents a high risk for significant hemorrhage during labor as the cervix effaces and dilates, it is distinct from a total or complete obstruction. The clinical management is similar to complete previa in that a cesarean section is almost always required, but the anatomical definition differs based on the extent of the cervical coverage.
Choice C rationale
Complete placenta previa, also known as total previa, occurs when the placenta entirely covers the internal cervical os. This prevents the possibility of a safe vaginal delivery because the placenta would be delivered before the fetus, leading to catastrophic maternal hemorrhage and fetal hypoxia. The classic presentation is sudden, painless, bright red bleeding in the third trimester as the lower uterine segment thins. This finding necessitates a planned cesarean delivery to ensure the safety of both mother and neonate.
Choice D rationale
Absent placenta previa is not a standard clinical term used to describe placental positioning. The term simply implies the absence of the condition, meaning the placenta is normally implanted in the upper segment of the uterus, away from the cervical opening. In a normal pregnancy, the placenta should be fundal or lateral. Identifying the absence of previa is important for confirming that a patient is a candidate for a trial of labor, but it does not describe the pathology presented. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Children with cleft palate have a high incidence of acute otitis media due to dysfunction of the eustachian tube. The tensor veli palatini muscle, which normally opens the tube, is often impaired. This leads to poor drainage of the middle ear and negative pressure, allowing bacteria to migrate from the nasopharynx. Fever and ear pulling are classic signs of infection. Normal body temperature is approximately 36.5 to 37.5 degrees Celsius. The child's symptoms strongly indicate an inflammatory process.
Choice B rationale
While it is true that craniofacial abnormalities can be associated with structural ear issues, the acute onset of fever and ear pulling points toward an infectious or inflammatory process rather than a static hearing deficit. Hearing loss in cleft palate patients is often a result of chronic fluid accumulation (effusion) rather than just coincident structural malformations. The nurse must prioritize assessing for an active infection of the middle ear which requires medical intervention to prevent potential tympanic membrane rupture.
Choice C rationale
This is a psychosocial interpretation of a physical symptom. While a 5-year-old may experience frustration with communication, the physical presentation of a fever cannot be explained by a desire for attention. Fever is a systemic response to pyrogens, typically associated with infection. In a child with a known anatomical predisposition for ear infections, physical symptoms like pulling at the ear must be treated as indicators of pain and underlying pathology rather than behavioral manifestations of communication needs.
Choice D rationale
The Latham device is a pre-surgical orthopedic appliance used to align palatal segments. While any intraoral device can cause discomfort or irritation, it would not typically cause a systemic fever or lead the child to pull at their ear. Ear pulling is specifically indicative of referred pain from the middle ear or direct otalgia. The nurse should focus on the most likely clinical complication for this population, which is middle ear disease, rather than mechanical irritation from an appliance. .
Correct Answer is A
Explanation
Choice A rationale
Developmental research indicates that infant crying behavior typically follows a predictable curve, peaking at approximately 6 to 8 weeks of age. This peak corresponds with significant neurological maturation and the processing of external stimuli. During this period, infants may experience periods of inconsolable crying, often referred to as the period of PURPLE crying. Understanding this timeline helps parents manage expectations and recognize that this intense phase is a normal, temporary developmental milestone.
Choice B rationale
At 1 week of age, neonates are primarily in a recovery phase following the physiological stress of birth. Their crying is generally limited to basic survival needs such as hunger, discomfort, or the need for sleep. The central nervous system is still highly immature, and the infant has not yet reached the stage of heightened environmental sensitivity that triggers the increased crying duration observed later in the second month of life.
Choice C rationale
By 12 weeks of age, most infants have moved past the peak crying phase and are beginning to develop better self-regulation and social interaction skills. At 3 months, infants often start to show more predictable patterns of behavior and improved circadian rhythms. While they still cry to communicate, the frequency and intensity of crying episodes typically decrease significantly compared to the developmental peak that occurs around the 2-month mark.
Choice D rationale
While crying starts to increase after the first two weeks of life, it has not yet reached its maximum frequency at 4 weeks. The fourth week marks the transition into more alert states, but the physiological and neurological peak of crying is still a few weeks away. Suggesting 4 weeks as the peak would be premature, as data consistently shows the upward trend continues until roughly the middle of the second month.
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