Test 1 Flashcards
When does the head start taking shape?
4th week
Germinal period and how long it lasts
Duplication, division, differentiation
Lasts 2 weeks
Embryonic period and how long it lasts
Cells turn into a being
Week 3-week 8
Proximodistal pattern of development
Near to far pattern
Cephalocaudal pattern of development
Head to tail pattern
When heart starts beating
Embryonic (week4)
Age of viability
22 weeks
Premature infants
Birth before 35 weeks
More than 3 weeks before due date
Gene
Instructions in the chromosome
Apgar scale categories
Color Heartbeat Reflex Muscle tone Respiratory effort
Chromosome
Contains all the genes
1 of 46 molecules on DNA
Neural tube and what it develops into
Primitive streak
Neural tube
Brain and spine
When do sex organs develop and are visible via ultrasound
Week 9
End of month 3
Fragile x syndrome
More than 200 repetitions on 1 gene
What vitamin helps neural tube development?
Folic acid
