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单选题 A 27-day-old male infant presents with jaundice noticed for 24 days. Born at 38 weeks gestation, birth weight 3300g, breastfed. Laboratory: TB 126 μmol/L, DB 7 μmol/L. Current weight 4500g, yellow stools, no fever. The most likely diagnosis is()患儿,男,27天,因发现皮肤黄疸24天就诊.38孕周,产重3300g,母乳喂养,总胆红素126μmol/L,直接胆红素7μmol/L,现体重4500g,大便黄色,无发热.最可能的诊断是()

A. Neonatal pneumonia新生儿肺炎

B. Neonatal sepsis 新生儿败血症

C. Hemolytic disease of newborn 新生儿溶血症

D. Biliary atresia 胆道闭锁

E. Breast milk jaundice母乳性黄疸

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学科：默认课程

时间：2025-10-10 04:03:30

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The diagnosis that should be primarily considered when jaundice appears within 24 hours after birth is()新生儿生后24小时内出现黄疸,应首先考虑的诊断是()

A. Physiological jaundice生理性黄疸B. Hemolytic disease of the newborn新生儿溶血病C. Sepsis败血症D. Neonatal hepatitis新生儿肝炎E. Biliary atresia胆道闭锁

Which of the following is characteristic of physiological jaundice?()以下哪一项是生理性黄疸()

A. Total bilirubin of 213 μmol/L in a full-term infant on day 4 after birth足月儿生后4天胆红素213μmol/LB. Daily rise of bilirubin by 92 μmol/L 每日上升92μmol/LC. Appearance of jaundice within 20 hours after birth 生后20小时出现黄疸D. Visible skin jaundice in a full-term infant at 17 days after birth 足月儿生后17天皮肤可见黄染E. Conjugated bilirubin level of 42 μmol/L in a full-term infant 足月儿血中结合胆红素42μmol/L

Neonatal ABO hemolytic disease most commonly occurs in which of the following situations?()新生儿ABO溶血病常常发生于以下何种情况()

A. Mother blood type A, infant blood type B 母血型为A型,婴儿为B型B. Mother blood type AB, infant blood type O 母血型为AB型,婴儿为O型C. Mother blood type A, infant blood type O 母血型为A型,婴儿为O型D. Mother blood type B, infant blood type A 母血型为B型,婴儿为A型E. Mother blood type O, infant blood type A or B 母血型为O型,婴儿为A型或B型

A full-term newborn, 2 days old, admitted for jaundice lasting 1 day. Physical examination reveals severe skin jaundice with normal cardiac, pulmonary, abdominal, and umbilical findings. Mother's blood type is O, infant's is A. Laboratory results: hemoglobin 130 g/L, reticulocytes 8%. The underlying pathological mechanism is likely:()足月新生儿生后2天,因黄疸1天而入院.查体:皮肤重度黄染,心肺腹脐无异常.母亲血型为O型,婴儿为A型.实验室检查:血红蛋白130g/L,网织红细胞8%.该病机理可能为:()

A. Isoimmune hemolysis 同族免疫性溶血B. Red blood cell enzyme deficiency红细胞酶缺陷C. Abnormal hemoglobin 异常血红蛋白D. Red blood cell membrane defect 红细胞膜缺陷E. Autoimmune hemolysis自身免疫性溶血

A newborn with birth weight 3.2 kg. At 48 hours postnatal, serum total bilirubin is 267 μmol/L and unconjugated bilirubin is 249 μmol/L. While awaiting further laboratory results, the initial treatment of choice is:()新生儿出生体重3.2kg,生后48小时血清总胆红素267μmol/L,未结合胆红素249μmol/L.在等待化验检查结果期间,首选的治疗方法是:()

A. Phototherapy光照疗法B. Albumin infusion白蛋白输注C. Oral phenobarbital口服苯巴比妥D. Exchange transfusion交换输血E. Plasma transfusion输血浆

The serum bilirubin concentration that typically causes kernicterus exceeds()引起核黄疸的血清胆红素浓度一般超过()

A. 10 mg/dlB. 12 mg/dlC. 15 mg/dlD. 20 mg/dlE. 25 mg/dl

Which of the following is incorrect regarding phototherapy for bilirubin reduction?()光照疗法降低胆红素,错误的是()

A. Blue light is the most effective for phototherapy 蓝光照射的疗效最好B. Double-sided phototherapy is superior to single-sided双面光优于单面光C. The distance between light source and infant should be 20-25 cm 灯管距患儿约20-25cmD. The infant's eyes must be covered with opaque mask during therapy 光疗时要用黑布遮盖患儿双眼E. Phototherapy is contraindicated when conjugated bilirubin is elevated血清结合胆红素高于正常,禁用光疗

Which enzyme inducers may be used for neonatal hemolytic jaundice?()新生儿溶血症发生黄疸时可采用的酶诱导剂是()

A. Diazepam, Lobeline安定,洛贝林B. Phenobarbital, Nikethamide苯巴比妥,尼可刹米C. Amytal, Caffeine阿米妥,咖啡因D. Coenzyme A, ATP 辅酶A,ATPE. Cytochrome C 细胞色素C

Diagnostic criterion for pathological jaundice in preterm infants is()早产儿病理性黄疸的诊断标准是()

A. Serum bilirubin ≥85 μmol/L血清胆红素≥85μmol/LB. Serum bilirubin ≤171 μmol/L 血清胆红素≤171μmol/LC. Serum bilirubin ≤205 μmol/L血清胆红素≤205μmol/LD. Serum bilirubin >256.5 μmol/L血清胆红素>256.5μmol/LE. Serum bilirubin >342 μmol/L血清胆红素>342μmol/L

A 27-day-old male infant presents with jaundice noticed for 24 days. Born at 38 weeks gestation, birth weight 3300g, breastfed. Laboratory: TB 126 μmol/L, DB 7 μmol/L. Current weight 4500g, yellow stools, no fever. The most likely diagnosis is()患儿,男,27天,因发现皮肤黄疸24天就诊.38孕周,产重3300g,母乳喂养,总胆红素126μmol/L,直接胆红素7μmol/L,现体重4500g,大便黄色,无发热.最可能的诊断是()

A. Neonatal pneumonia新生儿肺炎B. Neonatal sepsis 新生儿败血症C. Hemolytic disease of newborn 新生儿溶血症D. Biliary atresia 胆道闭锁E. Breast milk jaundice母乳性黄疸

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