An nurse explains to new parents that their infant has developed Transient Tachypnea of the Newborn (TTN). The nurse understands that risk factors for TTN include which of the following?
Select one:
Preterm infant.
Female infant.
GBS status of mother.
Cesarean section.
The Correct Answer is D
Choice A Reason: Preterm infant. This is an incorrect answer that confuses TTN with another respiratory condition called respiratory distress syndrome (RDS). RDS is a serious condition where the newborn's lungs are immature and lack sufficient surfactant, which is a substance that reduces surface tension and prevents alveolar collapse. RDS can cause respiratory distress, hypoxia, acidosis, and organ failure. It is more common in preterm infants, especially those born before 37 weeks' gestation.
Choice B Reason: Female infant. This is an incorrect answer that has no evidence or rationale to support it. TTN does not have a gender preference or difference in incidence or severity.
Choice C Reason: GBS status of mother. This is an incorrect answer that relates to another respiratory complication called early-onset neonatal sepsis (EONS). EONS is a bacterial infection that occurs within 72 hours after birth, which can affect multiple organs and systems in the newborn. EONS can be caused by group B streptococcus (GBS), which is a common bacterium that colonizes in some women's vagina or rectum. GBS can be transmited to the newborn during delivery and cause pneumonia, meningitis, or septic shock.
Choice D Reason: Cesarean section. This is because cesarean section is a risk factor for TTN, which is a mild respiratory problem that results from delayed clearance of fetal lung fluid after birth. TTN causes rapid breathing, nasal flaring, grunting, and mild cyanosis. It usually resolves within 24 to 48 hours after birth. Cesarean section can increase the risk of TTN because it bypasses the normal process of labor, which helps squeeze out some of the fluid from the fetal lungs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason: Frequent voiding encourages sphincter control. This is an incorrect statement that has no relevance to labor and delivery. Sphincter control refers to the ability to contract and relax the muscles that control urination and defecation. It is not affected by frequent voiding.
Choice B Reason: A full bladder impedes oxygen flow to the fetus. This is an incorrect statement that confuses a full bladder with a prolapsed cord. A prolapsed cord is a condition where the umbilical cord slips through the cervix before the baby and becomes compressed by the fetal head, which can reduce oxygen flow to the fetus. A full bladder does not affect oxygen flow to the fetus.
Choice C Reason: Frequent voiding prevents bruising of the bladder. This is an incorrect statement that exaggerates the effect of a full bladder on the bladder wall. A full bladder may cause some pressure or discomfort on the bladder, but it does not cause bruising or damage.
Choice D Reason: A full bladder can impede fetal descent. This is a correct statement that explains why it is important for the nurse to assess the bladder regularly and encourage the laboring client to void every 2 hours.
Correct Answer is A
Explanation
Choice A Reason: Central cyanosis and poor tone. These are signs of hypoxia and asphyxia in newborns, which indicate a need for resuscitation. Central cyanosis means bluish discoloration of the skin or mucous membranes around the mouth, nose, or eyes. Poor tone means limpness or lack of muscle activity.
Choice B Reason: Heart rate of 160 beats per minute and spitting up mucus. These are not signs of hypoxia or asphyxia in newborns, but rather normal findings or minor issues. A normal heart rate for a newborn ranges from 120 to 160 beats per minute. Spitting up mucus may be due to excess secretions or swallowing amniotic fluid, which can be cleared by suctioning or burping.
Choice C Reason: Crying with respirations of greater than 60 breaths per minute. These are not signs of hypoxia or asphyxia in newborns, but rather normal or expected findings. Crying indicates that the newborn has a patent airway and adequate lung expansion. Respirations of greater than 60 breaths per minute may be normal for a newborn in transition or due to transient tachypnea, which usually resolves within a few hours.
Choice D Reason: Blue hands and feet but lips that are slowly pinking up. These are not signs of hypoxia or asphyxia in newborns, but rather a common condition called acrocyanosis. Acrocyanosis means bluish discoloration of the hands and feet due to poor peripheral circulation in response to cold exposure or stress. It does not affect oxygenation or ventilation and usually disappears within 24 to 48 hours after birth.
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