A nurse is caring for a newborn diagnosed with a cleft lip. The nurse understands that the cause of the cleft lip is most often related to which of the following factors?
"It is caused primarily by a combination of genetic factors and maternal environmental exposures during early pregnancy, such as smoking, certain medications, D and Infections."
"A cleft lip is due to an abnormal autoimmune response."
"Intrauterine hypoxia causing tissue necrosis of the lip during the third trimester."
"Postnatal trauma to the upper lip during delivery."
The Correct Answer is A
A. "It is caused primarily by a combination of genetic factors and maternal environmental exposures during early pregnancy, such as smoking, certain medications, and infections.": Cleft lip results from incomplete fusion of the maxillary and medial nasal processes during early embryonic development,. Both genetic predisposition and environmental exposures, including maternal smoking, alcohol use, certain medications and infections, increase the risk.
B. "A cleft lip is due to an abnormal autoimmune response.": Autoimmune responses are not considered a primary cause of cleft lip. The defect occurs during early facial development, not as a result of immune-mediated processes.
C. "Intrauterine hypoxia causing tissue necrosis of the lip during the third trimester.": Tissue necrosis in the third trimester cannot cause a cleft lip, as the structural fusion occurs much earlier in embryogenesis.
D. "Postnatal trauma to the upper lip during delivery.": Cleft lip is a congenital malformation present at birth, not a result of trauma during delivery. Postnatal injury cannot create this congenital defect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. "You should allow your child to play any sport they want to play.": Allowing unrestricted participation in all sports ignores the increased bleeding risk associated with hemophilia. High-impact or contact sports could result in serious injury or joint bleeding. Safety precautions and age-appropriate activity selection are necessary.
B. "You should allow your child to participate in age-appropriate activities, such as riding a bike using proper protective gear.": Children with hemophilia benefit from physical activity to maintain muscle strength, joint mobility, and overall health. Encouraging safe, age-appropriate activities with protective equipment balances activity participation with minimal bleeding risk.
C. "You should not allow your child to ride a bike or go skateboarding with their classmates.": Overly restrictive guidance can limit the child’s development, socialization, and confidence. With proper supervision, protective equipment, and selection of low-risk activities, many activities can be safely performed. Total restriction is unnecessary.
D. "You should not allow your child to play any sport due to the risk of injury.": Complete avoidance of sports can lead to decreased muscle strength, reduced joint function, and psychosocial consequences such as isolation or low self-esteem. Education should focus on safe participation rather than forbidding all activity.
Correct Answer is D
Explanation
A. Infections caused by inadequate diaper changes: While proper hygiene is important, persistent crying itself does not directly cause infections, so this is not the primary concern in this scenario.
B. Colic as a common cause of crying in newborns: Colic can explain inconsolable crying, but education about colic alone does not address the serious safety risks associated with caregiver frustration.
C. Failure to thrive related to poor feeding techniques: Although inadequate feeding can contribute to failure to thrive, the scenario focuses on parental stress and the risk of harm from inconsolable crying, making this a secondary concern.
D. Shaken baby syndrome due to parental frustration and excessive crying: Persistent inconsolable crying is a major risk factor for caregiver frustration, which can lead to abusive actions such as shaken baby syndrome. Immediate education on safe coping strategies is crucial to prevent serious injury or death.
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