Pediatrics Final Exam

1. What gestational age is considered full term?: 39-42 weeks 2. What is the germination period of embryonic development?: fertilization to first 3 weeks when the zygote (fertilized egg) travels down the fallopian tube and attaches to the uterine lining 3. What is the embryonic period?: -after germination and lasts 6 weeks -weeks 3-8 -embryo is formed, and lots of cell division occurs 4. What is the fetal period?: -from 8 weeks to term/birth -called a fetus, movement begins and maturation and growth of all structures and organs occurs 5. What is a neonate?: birth to 2 weeks of age 6. What is an infant?: 2 weeks to walking or 12 months then a toddler 7. What health characteristics are scored on the APGAR?: -color -heart rate -reflex irritability -muscle tone -respiration rate 8. What is the Moro reflex?: -Head dropping into extension suddenly for a few inches causes arms abduction and then adduction -disappears by 5 months 9. What is the startle reflex?: -loud, sudden noise results in Moro response with elbows flexed and hands closed 10. What is the palmar grasp reflex?: -pressure in infant's palm results in strong fist and grip then a slow release -disappears by 4 months -interferes with ability to grasp and release objects voluntarily, weight bear on open hand 11. What is the plantar grasp reflex?: -pressure to base of toes results in toe flexion -disappears by 9 months -interferes with ability to stand with flat feet, balance reactions 12. What is the asymmetrical tonic neck reflex?: -head turned to one side results in arm and leg extension on face side and flexion on scalp side -usually disappears by 6 months