A nurse is caring for four newborns.
Which of the following newborns should the nurse assess first?
A newborn who has subconjunctival hemorrhage of the left eye.
A newborn who has rust-stained urine.
A newborn who has nasal flaring.
A newborn who has overlapping suture lines.
The Correct Answer is C
Choice A rationale
Subconjunctival hemorrhage is a common, generally benign finding in newborns, often resulting from increased intraocular pressure during the birthing process, causing rupture of superficial capillaries in the sclera. It presents as a bright red patch under the conjunctiva and usually resolves spontaneously within a few weeks without intervention, thus it does not warrant immediate, priority assessment.
Choice B rationale
Rust-stained urine, or pink-tinged urine, in a newborn is typically due to the presence of uric acid crystals (urates) in the urine, a normal finding related to concentrated urine and the immaturity of the newborn kidney's ability to concentrate urine fully. This is a common, non-pathological observation in the first few days of life, indicating mild dehydration, but it is not an acute, high-priority concern.
Choice C rationale
Nasal flaring is a significant sign of respiratory distress in a newborn, indicating the infant is attempting to increase the diameter of the nasal passages to decrease airway resistance and enhance the intake of oxygen. This compensatory mechanism suggests compromised gas exchange and potential hypoxemia, requiring immediate assessment and intervention to prevent further respiratory compromise.
Choice D rationale
Overlapping suture lines, also known as molding, occurs when the cranial bones shift and overlap during passage through the narrow birth canal. This is a normal, expected finding, especially after a vaginal delivery, and the shape of the head typically returns to normal within a few days to a week, posing no immediate threat to the newborn.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Acyclovir is an antiviral medication used primarily to treat herpes simplex virus (HSV) infections to prevent vertical transmission to the neonate. Group B Streptococcus (GBS) is a bacterium and is treated with antibiotics, specifically penicillin or ampicillin, administered intravenously during labor and delivery to prevent neonatal sepsis.
Choice B rationale
The Group B Streptococcus (GBS) culture is typically collected as a single screen between 36 weeks 0 days and 37 weeks 6 days of gestation from the lower vagina and perirectal area. This one-time positive result is sufficient to indicate the need for intrapartum antibiotic prophylaxis (IAP); repeat testing 24 hours later is not standard practice.
Choice C rationale
If the Group B Streptococcus (GBS) culture is positive, the client is considered colonized and requires intrapartum antibiotic prophylaxis (IAP), usually penicillin G, administered intravenously at the onset of labor or rupture of membranes. This reduces the risk of GBS transmission to the newborn, which can cause severe neonatal morbidity like sepsis or pneumonia.
Choice D rationale
The Group B Streptococcus (GBS) culture is a screening test obtained via a swab of the client's lower vagina and perirectal area, not a blood test. The GBS bacteria colonize these areas, and the swab is sent for culture and sensitivity to determine the need for prophylactic antibiotics during labor.
Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"B"},"D":{"answers":"A"}}
Explanation
Explanations
Fetal presentation The fetus is in a left occiput anterior (LOA) vertex presentation, which is the most favorable position for vaginal birth. LOA allows for optimal alignment of the fetal head with the maternal pelvis, facilitating descent and rotation during labor. Malpresentations such as breech or transverse would be unfavorable, but vertex LOA is considered ideal. Therefore, this finding is favorable for vaginal delivery at 42 weeks gestation.
Cervical findings The cervix is described as closed and thick, which is unfavorable for vaginal birth. At 42 weeks, the cervix should ideally be effaced and dilated to allow for labor progression. A closed, thick cervix indicates that the cervix has not ripened, which may necessitate induction with cervical ripening agents such as prostaglandins or mechanical methods. Thus, this finding is not favorable for vaginal birth readiness.
Uterine contraction pattern The client reports only occasional mild uterine contractions, which is not favorable for vaginal birth at 42 weeks. Effective labor requires regular, strong contractions that cause progressive cervical dilation and effacement. Occasional mild contractions are insufficient to initiate or sustain active labor. At this post-term stage, the absence of an adequate contraction pattern suggests that induction may be required. Therefore, this finding is not favorable.
FHR The fetal heart rate is 150/min, which falls within the normal baseline range of 110 to 160 beats per minute. This indicates adequate fetal oxygenation and no evidence of tachycardia or bradycardia. A normal FHR is a favorable finding for vaginal birth, as it reflects reassuring fetal status. Continuous monitoring remains important, but this specific finding supports safe progression toward vaginal delivery.
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