Childhood Disease I Flashcards
What are the top 4 congenital malformations?
1) clubfoot
2) patent ductus arteriosus
3) ventricular septal defect
4) cleft lip
clut foot
affected foot rotated internally at ankle
patent ductus arteriosus
neonate’s ductus arteriosus fails to close after birth
atresia
baby regurigates at every feeding
esophagus occluded
what is the most common chromosomal disorder
down syndrome
what does down syndrome increase risk of
leukemia
alzheimers
infections
down syndrome is caused by trisomy of what
chromosome 21
what causes maternal age influence in down syndrome
meiotic nondisjunction in ovem
what are some common features of down syndrome
simian crease
abundant neck skin
gap between first and second toe
what are facial features of down syndrome
flat facial profile
oblique palpbral fissure
epicanthal fold
oblique palpebral fissure
upward slant of eyes
what type of disease is cystic fibrosis
autosomal recessive
what is the defect in cystic fibrosis
defect in epithlial chloride channel protein
where is the mutation in cystic fibrosis
both allels of CFTR on chromosome 7q31.2
most common mutation in cystic fibrosis leads to deletion of 3 nucleuotides coding for what
phenylalaine